You searched for subject:(unmanned aircraft).
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1.
Stevens, Nicole.
Assessment Of Observed Weather Impacts On Small Unmanned Aircraft (UA) Operations.
Degree: MS, Atmospheric Sciences, 2019, University of North Dakota
URL: https://commons.und.edu/theses/2868 
► Unmanned Aircraft (UA) are being used more frequently and for an increased variety of purposes, from military use to medical deliveries, disaster and building…
(more)
▼ Unmanned Aircraft (UA) are being used more frequently and for an increased variety of purposes, from military use to medical deliveries, disaster and building infrastructure imagery, and agriculture. While the interest in and usage of UA grows, little is known about how often UA flight operations are impacted by different meteorological phenomenon. In this study, a 30-year climatology of surface stations and sounding observations are used to determine the likelihood of UA operations without weather-driven restrictions or grounding at five locations. The locations of Bismarck, ND, Riverton, WY, Oakland, CA, Albuquerque, NM, and Miami, FL are selected to represent different atmospheric and regional characteristics. Impacts from temperature, moisture, winds, and cloud base height are analyzed to determine the frequency with which thresholds, set utilizing previous studies on manned
aircraft and testing of UA, are reached. Analysis of the surface data indicate that flight impacts vary by geographic location, season, and time of day. Temperature impacts primarily follow seasonal changes, whereas restrictions due to relative humidity and winds primarily follow diurnal variations. Analysis of sounding data produced similar restrictions overall, with impacts from relative humidity and winds changing with height. Data from soundings at the surface are consistent with surface data except for relative humidity, particularly in Miami, and wind speeds. Results from this study can be used to determine equipment required for UA in different regions, meteorological parameters that most impact flight, and the best time for UA operations based on meteorological impacts.
Advisors/Committee Members: Mark Askelson.
Subjects/Keywords: Climatology; Unmanned Aircraft; Weather Hazards
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APA (6th Edition):
Stevens, N. (2019). Assessment Of Observed Weather Impacts On Small Unmanned Aircraft (UA) Operations. (Masters Thesis). University of North Dakota. Retrieved from https://commons.und.edu/theses/2868
Chicago Manual of Style (16th Edition):
Stevens, Nicole. “Assessment Of Observed Weather Impacts On Small Unmanned Aircraft (UA) Operations.” 2019. Masters Thesis, University of North Dakota. Accessed January 19, 2021.
https://commons.und.edu/theses/2868.
MLA Handbook (7th Edition):
Stevens, Nicole. “Assessment Of Observed Weather Impacts On Small Unmanned Aircraft (UA) Operations.” 2019. Web. 19 Jan 2021.
Vancouver:
Stevens N. Assessment Of Observed Weather Impacts On Small Unmanned Aircraft (UA) Operations. [Internet] [Masters thesis]. University of North Dakota; 2019. [cited 2021 Jan 19].
Available from: https://commons.und.edu/theses/2868.
Council of Science Editors:
Stevens N. Assessment Of Observed Weather Impacts On Small Unmanned Aircraft (UA) Operations. [Masters Thesis]. University of North Dakota; 2019. Available from: https://commons.und.edu/theses/2868
Virginia Tech
2.
Gonzalez-Rocha, Javier.
Sensing Atmospheric Winds from Quadrotor Motion.
Degree: PhD, Aerospace Engineering, 2020, Virginia Tech
URL: http://hdl.handle.net/10919/98657
► Wind observations that are critical for understanding meteorological processes occurring inside of the Earth's atmospheric boundary layer (ABL) are sparse due to limitations of conventional…
(more)
▼ Wind observations that are critical for understanding meteorological processes occurring inside of the Earth's atmospheric boundary layer (ABL) are sparse due to limitations of conventional atmospheric sensors. In this dissertation, dynamic systems and estimation theory are combined with experimental methods to exploit the flight envelope of multirotor UAS for wind sensing. The parameters of three quadrotor motion models, consisting of a kinematic particle model, a dynamic particle model, and a dynamic rigid body model, are characterized to measure wind velocity in hovering flight. Parameter characterizations are realized using data from wind tunnel, steady level flight tests and system identification experiments. Model-based wind estimations algorithms are developed using the kinematic particle model directly and by synthesizing state observers for the dynamic particle and rigid body models separately. For comparison purposes, the frequency response characteristic of the dynamic particle and rigid body models is examined to determine the range of wind fluctuations that each model can resolve. Performance comparisons demonstrate that the rigid body model to resolve higher wind fluctuations and yield more accurate wind estimates. The dissertation extends the rigid body wind estimation algorithm to estimate wind velocity profiles of the horizontal wind vector. The rigid body wind estimation algorithms is used to answer science questions about about the drift of a person in water.
Advisors/Committee Members: Sultan, Cornel (committeechair), Woolsey, Craig A. (committeechair), Black, Jonathan T. (committee member), De Wekker, Stephan F.J. (committee member), Ross, Shane D. (committee member).
Subjects/Keywords: Unmanned Aircraft Systems; State Estimation; System Identification
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APA (6th Edition):
Gonzalez-Rocha, J. (2020). Sensing Atmospheric Winds from Quadrotor Motion. (Doctoral Dissertation). Virginia Tech. Retrieved from http://hdl.handle.net/10919/98657
Chicago Manual of Style (16th Edition):
Gonzalez-Rocha, Javier. “Sensing Atmospheric Winds from Quadrotor Motion.” 2020. Doctoral Dissertation, Virginia Tech. Accessed January 19, 2021.
http://hdl.handle.net/10919/98657.
MLA Handbook (7th Edition):
Gonzalez-Rocha, Javier. “Sensing Atmospheric Winds from Quadrotor Motion.” 2020. Web. 19 Jan 2021.
Vancouver:
Gonzalez-Rocha J. Sensing Atmospheric Winds from Quadrotor Motion. [Internet] [Doctoral dissertation]. Virginia Tech; 2020. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/10919/98657.
Council of Science Editors:
Gonzalez-Rocha J. Sensing Atmospheric Winds from Quadrotor Motion. [Doctoral Dissertation]. Virginia Tech; 2020. Available from: http://hdl.handle.net/10919/98657
University of Illinois – Urbana-Champaign
3.
Hanley, David John.
An improved model-based observer for inertial navigation for quadrotors with low cost IMUs.
Degree: MS, Aerospace Engineering, 2015, University of Illinois – Urbana-Champaign
URL: http://hdl.handle.net/2142/88007
► In this thesis, we present a model-based observer for inertial navigation of quadrotors and other multirotor aircraft. We include in our model a Coriolis term…
(more)
▼ In this thesis, we present a model-based observer for inertial navigation of quadrotors and other multirotor
aircraft. We include in our model a Coriolis term that has been neglected in prior work. Doing so allows us to estimate the entire velocity vector in the quadrotor's frame of reference – including along the z-axis of this frame – with data only from a low-cost inertial measurement unit (IMU), something that has not been demonstrated previously. An observability analysis predicts that our proposed observer will perform well. Experimental results over 110 flight trials verify this prediction, showing that our proposed observer achieves lower root mean square error than three other state-of-the-art model-based observers.
Advisors/Committee Members: Bretl, Timothy W. (advisor).
Subjects/Keywords: Inertial Navigation; Unmanned Aircraft; Quadrotors; Observer; Estimator
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APA (6th Edition):
Hanley, D. J. (2015). An improved model-based observer for inertial navigation for quadrotors with low cost IMUs. (Thesis). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/88007
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Hanley, David John. “An improved model-based observer for inertial navigation for quadrotors with low cost IMUs.” 2015. Thesis, University of Illinois – Urbana-Champaign. Accessed January 19, 2021.
http://hdl.handle.net/2142/88007.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Hanley, David John. “An improved model-based observer for inertial navigation for quadrotors with low cost IMUs.” 2015. Web. 19 Jan 2021.
Vancouver:
Hanley DJ. An improved model-based observer for inertial navigation for quadrotors with low cost IMUs. [Internet] [Thesis]. University of Illinois – Urbana-Champaign; 2015. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/2142/88007.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Hanley DJ. An improved model-based observer for inertial navigation for quadrotors with low cost IMUs. [Thesis]. University of Illinois – Urbana-Champaign; 2015. Available from: http://hdl.handle.net/2142/88007
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Louisiana State University
4.
King, Sean Lauderdale.
Design and Performance Estimation of a Low-Reynolds Number Unmanned Aircraft System.
Degree: MSME, Aerodynamics and Fluid Mechanics, 2018, Louisiana State University
URL: https://digitalcommons.lsu.edu/gradschool_theses/4773
► The purpose of this thesis is to conceptually design a fixed-wing unmanned aircraft systems (UAS) with a higher flight-time and top stable speed than…
(more)
▼ The purpose of this thesis is to conceptually design a fixed-wing unmanned aircraft systems (UAS) with a higher flight-time and top stable speed than comparable systems. The vehicle adheres to specifications derived from the client, the market, and the Federal Aviation Administration (FAA). To broadly meet these requirements, the vehicle must fly for a minimum of three hours, return to the original flight path quickly if perturbed, and must be hand-launched. The vehicle designed must also have a large potential center of gravity movement to allow for customization of the planform and client customization.
An iterative design process was used to quickly perform tradeoff analysis and to refine the overall design. Analysis is split into two categories: flight mechanics, and structural analysis. Flight mechanics determines the flight regimes in which the vehicle is assumed to fly and the aerodynamic load factors used in structural analysis (up to 3.8 times the level flight loading. The change in lift due to skin deflection is determined to be negligible under maximum gust conditions. The vehicle itself is stable in all flight conditions, except the spiral mode; however, the addition of a stability augmentation system (SAS) can allow for corrections and autonomous flight in future iterations.
The vehicle can operate between sea-level and a maximum flight altitude of 10,400 ft as required by the FAA in 14 CFR Part 107. The final flight time of 24 hours comparable to high-end UAS sold in the U.S. Further, the vehicle is stable in speeds up to 100 mph, allowing for the maximum legal speeds of travel.
Subjects/Keywords: Design; Aerodynamics; Control; Unmanned Aircraft System
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APA (6th Edition):
King, S. L. (2018). Design and Performance Estimation of a Low-Reynolds Number Unmanned Aircraft System. (Masters Thesis). Louisiana State University. Retrieved from https://digitalcommons.lsu.edu/gradschool_theses/4773
Chicago Manual of Style (16th Edition):
King, Sean Lauderdale. “Design and Performance Estimation of a Low-Reynolds Number Unmanned Aircraft System.” 2018. Masters Thesis, Louisiana State University. Accessed January 19, 2021.
https://digitalcommons.lsu.edu/gradschool_theses/4773.
MLA Handbook (7th Edition):
King, Sean Lauderdale. “Design and Performance Estimation of a Low-Reynolds Number Unmanned Aircraft System.” 2018. Web. 19 Jan 2021.
Vancouver:
King SL. Design and Performance Estimation of a Low-Reynolds Number Unmanned Aircraft System. [Internet] [Masters thesis]. Louisiana State University; 2018. [cited 2021 Jan 19].
Available from: https://digitalcommons.lsu.edu/gradschool_theses/4773.
Council of Science Editors:
King SL. Design and Performance Estimation of a Low-Reynolds Number Unmanned Aircraft System. [Masters Thesis]. Louisiana State University; 2018. Available from: https://digitalcommons.lsu.edu/gradschool_theses/4773
Oklahoma State University
5.
Avery, Alyssa Shearon.
Ice Accretion on Small Unmanned Aircraft.
Degree: Mechanical and Aerospace Engineering, 2019, Oklahoma State University
URL: http://hdl.handle.net/11244/323357
► Aircraft icing is an important and complex problem. Small unmanned aerial systems are becoming increasingly common in high quality operations. The hazards of icing on…
(more)
▼ Aircraft icing is an important and complex problem. Small
unmanned aerial systems are becoming increasingly common in high quality operations. The hazards of icing on these smaller
aircraft are significant and primarily unexplored. The need for greater understanding of accretion physics at low speeds and low altitudes is obvious when considering the ways in which icing models for manned
aircraft are unsuited for small UAS. Cylinder models are incredibly useful in that the stagnation region has the highest amount of geometry change due to ice and has the highest rate of heat transfer. Current numerical tools are not verified under low velocities. The icing model developed is be suited for UAS using analytic methods suited for low velocities and empirically derived heat flux relations. Experimental heat transfer tests were done to support accretion model. Flight testing was used to gather atmospheric data in low altitude icing conditions, gain qualitative data on ice accretion, and to investigate heat flux at the low velocity range.
Advisors/Committee Members: Jacob, Jamey (advisor), Elbing, Brian (committee member), Kidd, James (committee member), Greiner, Alyson (committee member).
Subjects/Keywords: aircraft icing; heat transfer; unmanned systems
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APA (6th Edition):
Avery, A. S. (2019). Ice Accretion on Small Unmanned Aircraft. (Thesis). Oklahoma State University. Retrieved from http://hdl.handle.net/11244/323357
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Avery, Alyssa Shearon. “Ice Accretion on Small Unmanned Aircraft.” 2019. Thesis, Oklahoma State University. Accessed January 19, 2021.
http://hdl.handle.net/11244/323357.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Avery, Alyssa Shearon. “Ice Accretion on Small Unmanned Aircraft.” 2019. Web. 19 Jan 2021.
Vancouver:
Avery AS. Ice Accretion on Small Unmanned Aircraft. [Internet] [Thesis]. Oklahoma State University; 2019. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/11244/323357.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Avery AS. Ice Accretion on Small Unmanned Aircraft. [Thesis]. Oklahoma State University; 2019. Available from: http://hdl.handle.net/11244/323357
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Stellenbosch University
6.
Maneschijn, Anton.
A framework and criteria for the operability of unmanned aircraft systems.
Degree: Electrical and Electronic Engineering, 2010, Stellenbosch University
URL: http://hdl.handle.net/10019.1/5153
► Thesis (PhD (Electrical and Electronic Engineering)) – University of Stellenbosch, 2010.
Dissertation presented in fulfilment of the requirements for the degree of Doctor of Philosophy in…
(more)
▼ Thesis (PhD (Electrical and Electronic Engineering)) – University of Stellenbosch, 2010.
Dissertation presented in fulfilment of the requirements
for the degree of Doctor of Philosophy in Engineering
at Stellenbosch University.
ENGLISH ABSTRACT: Airworthiness certification of unmanned aircraft systems (UAS) is normally
considered to be a regulatory function. In the absence of comprehensive UAS
airworthiness regulations, the development of new and unique UAS, and their
introduction into non-segregated airspace, remain major challenges for the UAS
industry and regulators. Thus, in response, the objective of this research was to
establish a framework and guidelines, within the scope of the typical regulatory
regime, that can be used by the UAS engineering domain to ensure the safe and
reliable functioning of a UAS, whether regulated or not.
UAS airworthiness is currently mainly based on manned aircraft regulations, and the
focus is on the unmanned aircraft and the 'airworthiness' of the remote control station.
The typical UAS as a system, however, consists of more than just these elements and
a broader approach to the 'airworthiness' of a UAS is required. This study investigated
and introduces the concept of UAS operability, where the term 'operability' addresses
the safe and reliable functioning of the UAS as a system, the airworthiness of its
airborne sub-systems, and the safe and reliable functioning of its non-airborne subsystems
and functional payloads.
To ensure that the results of this study are aligned with typical aviation regulatory
systems, a regulatory basis was defined within which UAS operability guidelines
could be developed.
Based on the operability concept, and in the scope of the regulatory basis, a UAS
operability framework was developed for the UAS engineering domain. This
framework is an index and reference source from which appropriate operability
elements can be selected for a particular UAS. The scope of the framework is generic,
rather than UAS-type or -class specific, and includes operability elements for the UAS
as a system, for its airborne and non-airborne sub-systems, and for its payloads.
The framework was validated by developing lower hierarchical levels for the
framework and by populating each operability element of the framework with
appropriate engineering guidance criteria. The guidance criteria were derived and/or developed from industry 'best practices' found in the literature, or were newly
developed where no existing practices were found.
The significance of this study is found in its establishing of a generic UAS operability
framework that not only focuses on the airworthiness of the unmanned aircraft, but
addresses the operability of the UAS as a system, as well as the operability of its
airborne sub-systems, its non-airborne sub-systems and its payloads.
In practice, the UAS operability framework can be used in the UAS engineering
domain as an index and reference source to select relevant operability elements for a
particular UAS. The…
Advisors/Committee Members: Jones, T., Von Backstrom, T. W., University of Stellenbosch. Faculty of Engineering. Dept. of Electrical and Electronic Engineering..
Subjects/Keywords: Unmanned aircraft; Aircraft; Operability; Airworthiness
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APA (6th Edition):
Maneschijn, A. (2010). A framework and criteria for the operability of unmanned aircraft systems. (Thesis). Stellenbosch University. Retrieved from http://hdl.handle.net/10019.1/5153
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Maneschijn, Anton. “A framework and criteria for the operability of unmanned aircraft systems.” 2010. Thesis, Stellenbosch University. Accessed January 19, 2021.
http://hdl.handle.net/10019.1/5153.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Maneschijn, Anton. “A framework and criteria for the operability of unmanned aircraft systems.” 2010. Web. 19 Jan 2021.
Vancouver:
Maneschijn A. A framework and criteria for the operability of unmanned aircraft systems. [Internet] [Thesis]. Stellenbosch University; 2010. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/10019.1/5153.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Maneschijn A. A framework and criteria for the operability of unmanned aircraft systems. [Thesis]. Stellenbosch University; 2010. Available from: http://hdl.handle.net/10019.1/5153
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Johannesburg
7.
Wilkins, Grant.
Design and implementation of a power system for a solar unmanned aerial vehicle.
Degree: 2012, University of Johannesburg
URL: http://hdl.handle.net/10210/4835
► M. Ing.
Solar powered UAV's have gained world wide attention with aircraft such as Solar Impulse and Quinetiq's Zephyr. UAV's in general are becomming increasingly…
(more)
▼ M. Ing.
Solar powered UAV's have gained world wide attention with aircraft such as Solar Impulse and Quinetiq's Zephyr. UAV's in general are becomming increasingly popular, in 2006 80% of all US military ights over Iraq were UAV ights [38]. UAV's are the the most dynamic growth sector in the world aerospace industry having spent 3:4 billion in 2008 and is expected to be 5:8 billion in 2014. Solar Impulse has a budget of 94 million, Quinetiq has been awarded a 44:9 million contract to build 7 zephyrs. NASA has had several solar powered UAV projects. With advancements in solar and battery technologies solar powred UAV's are fast becomming a reality. The disadvantage of projects such as the Solar Impulse, Zephyr, Solong and Sky Sailor is they have extremely large budgets and have access to non commercial and highy specialized Chapter 1 | Problem Statement 10 products. The main purpose of the project is to develop a solar power system using only commercial products which can substancially increase the ight time of a UAV under sunny conditions. The project has several advantages: The project also provides a clean, green energy aspect. Because the energy provided by the solar cells is free and has no carbon footprint, the project is environmentally friendly; The project uses only commercially available products so it can easily be implemented and reproduced; The system developed for the project is not only limited to UAV's/ the project can be used in other applications such as Solar powered cars or robots. Due to the commercial nature of the big 4 solar aircraft information about their solar power systems is not easily available. The work presented here is an acedemic venture and will be freely available The project has many unknowns such as the size of the UAV, power requirements and available components. The research methodolgy used allows the unknowns to be determined using mathematical models and simulations. The models and simulations are further veri ed and altered accordingly to the actual implementation of the system. The project provides a step by step procedure to building a power system for a solar powered UAV. There are several building blocks in the project. Each building block forms a vital part of the system but can also be designed and implemented as a sigle entity. Only once each building block has achieved its own indavidual speci cations will they be integrated together to form the complete system. There are many risks and limitations within the project. The project is dependant on the type of UAV with respect to power requirements. Therefore the power system needs to provide as much solar power as possible to the UAV. If the available solar power is not su cient for level ight, the solar power must supliment the original power supply of the aircraft in a safe manner. There are many dangers when ying a UAV, if the UAV loses control it could potentially injure or even kill a person. Therefore outmost care needs to be taken to mitigate these risks. By the end of the project a solar power supply,…
Subjects/Keywords: Solar aircraft; Drone aircraft; Unmanned aerial vehicle; Solar power system design
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APA ·
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to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Wilkins, G. (2012). Design and implementation of a power system for a solar unmanned aerial vehicle. (Thesis). University of Johannesburg. Retrieved from http://hdl.handle.net/10210/4835
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Wilkins, Grant. “Design and implementation of a power system for a solar unmanned aerial vehicle.” 2012. Thesis, University of Johannesburg. Accessed January 19, 2021.
http://hdl.handle.net/10210/4835.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Wilkins, Grant. “Design and implementation of a power system for a solar unmanned aerial vehicle.” 2012. Web. 19 Jan 2021.
Vancouver:
Wilkins G. Design and implementation of a power system for a solar unmanned aerial vehicle. [Internet] [Thesis]. University of Johannesburg; 2012. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/10210/4835.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Wilkins G. Design and implementation of a power system for a solar unmanned aerial vehicle. [Thesis]. University of Johannesburg; 2012. Available from: http://hdl.handle.net/10210/4835
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Oklahoma State University
8.
Ross, Andrew Levi.
Design and development of a tornado intercept unmanned aerial vehicle.
Degree: Mechanical and Aerospace Engineering, 2019, Oklahoma State University
URL: http://hdl.handle.net/11244/324908
► The longest recorded flight was over a ground track of 22 miles with an average airspeed of 100 knots over 16 minutes, consuming 60% of…
(more)
▼ The longest recorded flight was over a ground track of 22 miles with an average airspeed of 100 knots over 16 minutes, consuming 60% of the total fuel available. The top speed achieved by the
aircraft was 160 mph at 90% throttle.
Advisors/Committee Members: Jacob, Jamey (advisor), Arena, Andrew (committee member), Faruque, Imraan (committee member).
Subjects/Keywords: aircraft design; flight testing; severe weather; uas; unmanned aircraft; weather research
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Manager
APA (6th Edition):
Ross, A. L. (2019). Design and development of a tornado intercept unmanned aerial vehicle. (Thesis). Oklahoma State University. Retrieved from http://hdl.handle.net/11244/324908
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Ross, Andrew Levi. “Design and development of a tornado intercept unmanned aerial vehicle.” 2019. Thesis, Oklahoma State University. Accessed January 19, 2021.
http://hdl.handle.net/11244/324908.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Ross, Andrew Levi. “Design and development of a tornado intercept unmanned aerial vehicle.” 2019. Web. 19 Jan 2021.
Vancouver:
Ross AL. Design and development of a tornado intercept unmanned aerial vehicle. [Internet] [Thesis]. Oklahoma State University; 2019. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/11244/324908.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Ross AL. Design and development of a tornado intercept unmanned aerial vehicle. [Thesis]. Oklahoma State University; 2019. Available from: http://hdl.handle.net/11244/324908
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Tennessee – Knoxville
9.
Magocs, Benjamin.
PADUA RADIOLOGICAL SEARCH SYSTEM.
Degree: 2019, University of Tennessee – Knoxville
URL: https://trace.tennessee.edu/utk_graddiss/5708
► The primary intention of this project was to improve upon the current state-of-the-art radiological detection methods by integrating autonomous control methods, Bayesian statistics, Savitzky-Golay filtering,…
(more)
▼ The primary intention of this project was to improve upon the current state-of-the-art radiological detection methods by integrating autonomous control methods, Bayesian statistics, Savitzky-Golay filtering, other search methods, and novel swarming techniques together to create a single push-button multi-agent radiation search algorithm (the Padua algorithm). The primary agents the algorithm was designed for onboard usage with were multirotor-type unmanned aerial vehicles (UAV’s) and, in certain portions of search, fixed wing UAV’s. The development of Padua for this project was performed entirely in simulation using the Python Dronekit SITL API. The final algorithm performed exceptionally well with the ability to narrow down the predicted location of a large radioactive source to only a few meters or less from a space that was 1 sq. km. in less than an hour.
Subjects/Keywords: radioactive material search; unmanned aircraft; autonomous aircraft control; python; bayesian; CBRM
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APA (6th Edition):
Magocs, B. (2019). PADUA RADIOLOGICAL SEARCH SYSTEM. (Doctoral Dissertation). University of Tennessee – Knoxville. Retrieved from https://trace.tennessee.edu/utk_graddiss/5708
Chicago Manual of Style (16th Edition):
Magocs, Benjamin. “PADUA RADIOLOGICAL SEARCH SYSTEM.” 2019. Doctoral Dissertation, University of Tennessee – Knoxville. Accessed January 19, 2021.
https://trace.tennessee.edu/utk_graddiss/5708.
MLA Handbook (7th Edition):
Magocs, Benjamin. “PADUA RADIOLOGICAL SEARCH SYSTEM.” 2019. Web. 19 Jan 2021.
Vancouver:
Magocs B. PADUA RADIOLOGICAL SEARCH SYSTEM. [Internet] [Doctoral dissertation]. University of Tennessee – Knoxville; 2019. [cited 2021 Jan 19].
Available from: https://trace.tennessee.edu/utk_graddiss/5708.
Council of Science Editors:
Magocs B. PADUA RADIOLOGICAL SEARCH SYSTEM. [Doctoral Dissertation]. University of Tennessee – Knoxville; 2019. Available from: https://trace.tennessee.edu/utk_graddiss/5708
10.
Calkins, Adam T.
Unmanned Aircraft Systems (UAS) and Photogrammetrics as a Tool for Archaeological Investigation in 19th Century Historic Archaeology.
Degree: 2017, University of Nevada – Reno
URL: http://hdl.handle.net/11714/2001
► Unmanned Aircraft Systems (UAS) and photogrammetrics are a growing part of the archaeological toolkit. They provide a low cost tool to aid in the collection…
(more)
▼ Unmanned Aircraft Systems (UAS) and photogrammetrics are a growing part of the archaeological toolkit. They provide a low cost tool to aid in the collection and analysis of aerial imagery. To test the applications of this technology, I completed a partial survey of Aurora, Nevada. Using a UAS, I collected images for three city blocks during the summer of 2015. Using photogrammetric software, I have analyzed the collected image data by creating orthophotomosaics and 3D models of the site. With these models, I have been able to examine topography, foundations, and house lot locations to explore the relationship between historic building material and the remains currently seen on the ground. This thesis shows the methods employed in the collection of aerial imagery and data processing, and the multitude of ways researchers can analyze this data to evaluate archaeological sites.
Advisors/Committee Members: White, Carolyn L. (advisor), von Nagy, Christopher (committee member), Starrs, Paul (committee member).
Subjects/Keywords: Aurora; Nevada; Historic Archaeology; Photogrammetrics; Unmanned Aerial Vehicles (UAV); Unmanned Aircraft Systems (UAS)
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APA (6th Edition):
Calkins, A. T. (2017). Unmanned Aircraft Systems (UAS) and Photogrammetrics as a Tool for Archaeological Investigation in 19th Century Historic Archaeology. (Thesis). University of Nevada – Reno. Retrieved from http://hdl.handle.net/11714/2001
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Calkins, Adam T. “Unmanned Aircraft Systems (UAS) and Photogrammetrics as a Tool for Archaeological Investigation in 19th Century Historic Archaeology.” 2017. Thesis, University of Nevada – Reno. Accessed January 19, 2021.
http://hdl.handle.net/11714/2001.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Calkins, Adam T. “Unmanned Aircraft Systems (UAS) and Photogrammetrics as a Tool for Archaeological Investigation in 19th Century Historic Archaeology.” 2017. Web. 19 Jan 2021.
Vancouver:
Calkins AT. Unmanned Aircraft Systems (UAS) and Photogrammetrics as a Tool for Archaeological Investigation in 19th Century Historic Archaeology. [Internet] [Thesis]. University of Nevada – Reno; 2017. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/11714/2001.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Calkins AT. Unmanned Aircraft Systems (UAS) and Photogrammetrics as a Tool for Archaeological Investigation in 19th Century Historic Archaeology. [Thesis]. University of Nevada – Reno; 2017. Available from: http://hdl.handle.net/11714/2001
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Leiden University
11.
Fiallos Pazmino, L.F.
Legal perspectives on the cross- border operations of unmanned aircraft systems.
Degree: 2019, Leiden University
URL: http://hdl.handle.net/1887/80332
► The incursion of unmanned aircraft systems (UAS) is radically shaping the future of international civil aviation. This technological innovation is creating disruptions in almost all…
(more)
▼ The incursion of
unmanned aircraft systems (UAS) is radically shaping the future of international civil aviation. This technological innovation is creating disruptions in almost all areas of people’s activities. Will
unmanned aircraft (UA) ever perform international commercial flights carrying passengers, freight and mail routinely? Will UAS enable new markets and spur economic growth and job creation worldwide? What is happening right now? To what should we be paying attention? What things may influence the future of
unmanned commercial aviation? What are the legal challenges? This research aims to explore the current legal and regulatory frameworks from the angle of how they may facilitate the routine and cross-border operations of UAS. It specifically analyses the legal and regulatory challenges that civil UAS poses when used in cross-border operations, by looking into: The legal regimes of airspace;The notion of
aircraft;The concept of international air navigation in relation to international air transport; and,The regulatory regime of safety.In his endeavour, the author has also resorted to the rules of treaty interpretation, as laid down in the Vienna Convention on the Law of Treaties, to provide legal coherence and pragmatism in interpreting and applying international aviation rules to UAS.
Advisors/Committee Members: Supervisor: Mendes de Leon P.M.J., De Brabandere E.C.P.D.C..
Subjects/Keywords: Unmanned Aircraft Systems; Pilotless aircraft; Remotely Piloted Aircraft; Autonomous aircraft; Unmanned Aircraft Systems; Pilotless aircraft; Remotely Piloted Aircraft; Autonomous aircraft
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APA (6th Edition):
Fiallos Pazmino, L. F. (2019). Legal perspectives on the cross- border operations of unmanned aircraft systems. (Doctoral Dissertation). Leiden University. Retrieved from http://hdl.handle.net/1887/80332
Chicago Manual of Style (16th Edition):
Fiallos Pazmino, L F. “Legal perspectives on the cross- border operations of unmanned aircraft systems.” 2019. Doctoral Dissertation, Leiden University. Accessed January 19, 2021.
http://hdl.handle.net/1887/80332.
MLA Handbook (7th Edition):
Fiallos Pazmino, L F. “Legal perspectives on the cross- border operations of unmanned aircraft systems.” 2019. Web. 19 Jan 2021.
Vancouver:
Fiallos Pazmino LF. Legal perspectives on the cross- border operations of unmanned aircraft systems. [Internet] [Doctoral dissertation]. Leiden University; 2019. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/1887/80332.
Council of Science Editors:
Fiallos Pazmino LF. Legal perspectives on the cross- border operations of unmanned aircraft systems. [Doctoral Dissertation]. Leiden University; 2019. Available from: http://hdl.handle.net/1887/80332
Stellenbosch University
12.
Meredith, Andre Paul.
An unmanned aircraft system for maritime search and rescue.
Degree: Electrical and Electronic Engineering, 2011, Stellenbosch University
URL: http://hdl.handle.net/10019.1/6720
► Thesis (MScEng (Electrical and Electronic Engineering)) – University of Stellenbosch, 2011.
ENGLISH ABSTRACT: Search and Rescue is an essential service provided by States and Militaries to…
(more)
▼ Thesis (MScEng (Electrical and Electronic Engineering)) – University of Stellenbosch, 2011.
ENGLISH ABSTRACT: Search and Rescue is an essential service provided by States and Militaries to
search for, locate and rescue survivors of accidents and incidents. Civil Search and
Rescue utilizes a system of well-trained professionals or volunteers, an effective
Search and Rescue organization, supported by industry and other providers of
infrastructure and assets. The service is rendered to save the lives of civilian
individuals in imminent danger of losing their lives. Military (Combat) Search and
Rescue is provided by militaries to save the lives of military practitioners in a similar
predicament. In addition, Search and Rescue is performed over land and over the
sea.
All forms of Search and Rescue rely on capable, specialized assets for efficiency en
affectivity. Assets are specified and chosen on the grounds of various factors,
amongst others operating environment, operational profile, performance and special
abilities.
This thesis has determined the need for a Search and Rescue asset, capable of
performing effective and efficient Search and Rescue over the entire national
maritime Search and Rescue Region, up to the Region extremities. An analysis was
performed to prove this deficit, and quantify the key performance and special
equipment requirements for such an asset. An analysis was also performed which
proves that an Unmanned Aircraft System should be an ideal choice to meet this
need. Finally, an Unmanned Aircraft System concept was specified that could
potentially meet this need.
AFRIKAANSE OPSOMMING: Soek en Redding is ‘n essentiële diens wat deur State en militêre organisasies
gebied word om oorlewendes van ongelukke en insidente te soek, op te spoor en na
veiligheid te bring. Siviele Soek en Redding maak gebruik van ‘n stelsel van goedopgeleide
professionele persone, sowel as vrywilligers, asook ‘n effektiewe Soek en
Reddingsorganisasie, ondersteun deur die industrie en ander voorsieners van
infrastruktuur en toerusting. Derglike dienste word daargestel om die lewens van
siviele persone, wie se lewens in gevaar is, te red. Militêre Soek en Redding word
deur militêre organisasies daargetel om die lewens van militêre persone, wie in
gevaar is, te red. Soek en Redding word oor land sowel as oor die see uitgevoer.
Alle vorms van Soek en Redding maak staat op die beskikbaarheid van
gespesialiseerde toerusting met gespesialiseerde gebruiksaanwending, vir
maksimale effektiwiteit en doeltreffendheid. Toerusting word gekies op grond van
verskeie faktore, onder meer die gebruiksomgewing, operasionele profiele, verlangde
prestasie en spesiale vermoëns.
Hierdie tesis het die behoefte aan ‘n gespesialiseerde Soek en Redding platform, wat
die vermoë het om effektiewe en doeltreffende Soek en Redding uit te voer oor die
hele nationale Soek en Redding Gebied, tot en met die ekstreme daarvan, vasgestel.
‘n Analise is uitgevoer om hierdie tekortkoming uit te wys, asook om die sleutel
…
Advisors/Committee Members: Jones, T., University of Stellenbosch. Faculty of Engineering. Dept. of Electrical and Electronic Engineering..
Subjects/Keywords: Electronic engineering; Drone aircraft; Search and rescue operations; Unmanned Aircraft System (UAF); Drone aircraft – Rescue work
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Manager
APA (6th Edition):
Meredith, A. P. (2011). An unmanned aircraft system for maritime search and rescue. (Thesis). Stellenbosch University. Retrieved from http://hdl.handle.net/10019.1/6720
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Meredith, Andre Paul. “An unmanned aircraft system for maritime search and rescue.” 2011. Thesis, Stellenbosch University. Accessed January 19, 2021.
http://hdl.handle.net/10019.1/6720.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Meredith, Andre Paul. “An unmanned aircraft system for maritime search and rescue.” 2011. Web. 19 Jan 2021.
Vancouver:
Meredith AP. An unmanned aircraft system for maritime search and rescue. [Internet] [Thesis]. Stellenbosch University; 2011. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/10019.1/6720.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Meredith AP. An unmanned aircraft system for maritime search and rescue. [Thesis]. Stellenbosch University; 2011. Available from: http://hdl.handle.net/10019.1/6720
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of California – Berkeley
13.
Chandler, Katherine Fehr.
Drone Flight and Failure: the United States' Secret Trials, Experiments and Operations in Unmanning, 1936-1973.
Degree: Rhetoric, 2014, University of California – Berkeley
URL: http://www.escholarship.org/uc/item/0fg216f7
► I examine the precursors to contemporary unmanned combat air vehicles (UCAVs) to ask what is at stake in the designation "unmanned?" The apparent misnomer dissociates…
(more)
▼ I examine the precursors to contemporary unmanned combat air vehicles (UCAVs) to ask what is at stake in the designation "unmanned?" The apparent misnomer dissociates technologies and humans, occluding how international interventions, including surveillance, military support, signals intelligence, and targeted killing, are carried out through actions networked between humans and nonhumans. I use a genealogical approach to address how tensions and contradictions articulated by unmanning emerge, using the development, operation and failure of unmanned systems to complicate divisions between human and nonhuman; "us" and the enemy; immersion and distance; military and industry; and above and below.I identify two phases in the development of remote controlled and unmanned aircraft in the United States: targeting and reconnaissance. Contemporary UCAVs loop together these practices, even as they separate socio-political relations from technical artifacts and their resultant role in geopolitics. In the first period between 1936 and 1944, drone technologies shape and were shaped by targeting. I begin in 1936, when a Navy program to produce remote controlled aircraft was given the code name drone. Drones from the interwar era were developed as targets to train anti-aircraft gunners, even while the technologies also became the first television guided weapons, described as "American Kamikazes," used briefly in World War II. In the second phase between 1956 and 1973, I explore so-called unmanning. This part turns to pilotless reconnaissance aircraft from the Cold War conceived as replacements for manned spy planes after the Francis Powers U-2 incident in 1960, also based on a target plane, the Firebee. These projects were used for over 3000 pilotless flights to collect surveillance over Southeast Asia.
Subjects/Keywords: Rhetoric; American studies; Geography; Drones; Reconnaissance; Targeting; Unmanned Aircraft
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APA (6th Edition):
Chandler, K. F. (2014). Drone Flight and Failure: the United States' Secret Trials, Experiments and Operations in Unmanning, 1936-1973. (Thesis). University of California – Berkeley. Retrieved from http://www.escholarship.org/uc/item/0fg216f7
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Chandler, Katherine Fehr. “Drone Flight and Failure: the United States' Secret Trials, Experiments and Operations in Unmanning, 1936-1973.” 2014. Thesis, University of California – Berkeley. Accessed January 19, 2021.
http://www.escholarship.org/uc/item/0fg216f7.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Chandler, Katherine Fehr. “Drone Flight and Failure: the United States' Secret Trials, Experiments and Operations in Unmanning, 1936-1973.” 2014. Web. 19 Jan 2021.
Vancouver:
Chandler KF. Drone Flight and Failure: the United States' Secret Trials, Experiments and Operations in Unmanning, 1936-1973. [Internet] [Thesis]. University of California – Berkeley; 2014. [cited 2021 Jan 19].
Available from: http://www.escholarship.org/uc/item/0fg216f7.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Chandler KF. Drone Flight and Failure: the United States' Secret Trials, Experiments and Operations in Unmanning, 1936-1973. [Thesis]. University of California – Berkeley; 2014. Available from: http://www.escholarship.org/uc/item/0fg216f7
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Newcastle
14.
de Lamberterie, Pierre.
A probabilistic framework for the assessment of robust autonomy in unmanned aircraft systems.
Degree: PhD, 2013, University of Newcastle
URL: http://hdl.handle.net/1959.13/1036693
► Research Doctorate - Doctor of Philosophy (PhD)
In the near future, Uninhabited Aircraft Systems (UAS) will bring significant benefits to a rapidly growing number of…
(more)
▼ Research Doctorate - Doctor of Philosophy (PhD)
In the near future, Uninhabited Aircraft Systems (UAS) will bring significant benefits to a rapidly growing number of operations beyond defence. When it comes to national security, UAS could be used for border patrol, policing, detecting trafficking and smuggling, rapid emergency response, search and rescue, bushfire and flooding monitoring, and early detection of threats to national assets that could be targeted by terrorism. In civilian applications, UAS have the potential to be used for airborne mineral explorations, crop-yield monitoring, traffic monitoring in transportation systems, digital mapping, inspection of power-grid lines, and data collection for environmental and climate research. Due to this potential, nations worldwide are seeking to develop further their UAS capabilities. Over the past ten years, research activities in industry and academia have been growing, and companies are designing and developing the next generation of UAS. A global market with a worth close to 50 billion $USD is projected within the next decade. There is, however, a fundamental challenge that needs to be addressed before we can realise the full potential of routine UAS operations. This challenge is the integration of UAS into the National Airspace System (NAS). This integration requires UAS to demonstrate levels of reliability and safety equivalent to current aviation standards. As the level of autonomy in UAS operations increases, UAS must be able to either continue operating in the presence of faults and anomalous conditions, or shut down safely, whilst not beaching a minimum level of safety - this characteristic is described as robust autonomy. Most of the recent research effort in UAS has been focused on improving robust autonomy as well as aircraft ability to conduct different missions. This thesis takes a different approach and focuses on how robust autonomy in UAS can be quantified so National Airworthiness Authorities (NAA) can certify UAS for operations in the NAS. A novel framework is proposed whereby characteristics related to missions, aircraft, and operational and weather conditions are used in a Bayesian probabilistic assessment of how the autonomy handles anomalous conditions. The end result is a set of predicted probabilities of satisfactory performance called Measures of Robust Autonomy. To demonstrate the proposed framework, a general reconnaissance mission of a UAS is considered and measures of robust autonomy in relation to actuator faults and autonomous decision-making about control re-configuration are computed. To achieve this, the design of a low-computational complexity autopilot with capability for actuator reconfiguration is considered. We propose a design for joint control allocation and motion control scheme whereby the actuator configuration is used to map actuator constraints into the space of the aircraft generalised forces. This allows one to constrain the output of the flight controller and consider an unconstrained allocation problem since the…
Advisors/Committee Members: University of Newcastle. Faculty of Engineering & Built Environment, School of Engineering.
Subjects/Keywords: unmanned aircraft systems; robust autonomy; fault tolerant systems; national airspace system
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APA ·
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Export
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APA (6th Edition):
de Lamberterie, P. (2013). A probabilistic framework for the assessment of robust autonomy in unmanned aircraft systems. (Doctoral Dissertation). University of Newcastle. Retrieved from http://hdl.handle.net/1959.13/1036693
Chicago Manual of Style (16th Edition):
de Lamberterie, Pierre. “A probabilistic framework for the assessment of robust autonomy in unmanned aircraft systems.” 2013. Doctoral Dissertation, University of Newcastle. Accessed January 19, 2021.
http://hdl.handle.net/1959.13/1036693.
MLA Handbook (7th Edition):
de Lamberterie, Pierre. “A probabilistic framework for the assessment of robust autonomy in unmanned aircraft systems.” 2013. Web. 19 Jan 2021.
Vancouver:
de Lamberterie P. A probabilistic framework for the assessment of robust autonomy in unmanned aircraft systems. [Internet] [Doctoral dissertation]. University of Newcastle; 2013. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/1959.13/1036693.
Council of Science Editors:
de Lamberterie P. A probabilistic framework for the assessment of robust autonomy in unmanned aircraft systems. [Doctoral Dissertation]. University of Newcastle; 2013. Available from: http://hdl.handle.net/1959.13/1036693
Virginia Commonwealth University
15.
Bakker, Tim.
Dynamic Task-Allocation for Unmanned Aircraft Systems.
Degree: PhD, Engineering, 2014, Virginia Commonwealth University
URL: https://doi.org/10.25772/A3SD-XG08
;
https://scholarscompass.vcu.edu/etd/3394
► This dissertation addresses improvements to a consensus based task allocation algorithms for improving the Quality of Service in multi-task and multi-agent environments. Research in the…
(more)
▼ This dissertation addresses improvements to a consensus based task allocation algorithms for improving the Quality of Service in multi-task and multi-agent environments. Research in the past has led to many centralized task allocation algorithms where a central computation unit is calculating the global optimum task allocation solution. The centralized algorithms are plagued by creating a single point of failure and the bandwidth needed for creating consistent and accurate situational awareness off all agents.
This work will extend upon a widely researched decentralized task assignment algorithm
based on the consensus principle. Although many extensions have led to improvements of the original algorithm, there is still much opportunity for improvement in providing sufficient and reliable task assignments in real-world dynamic conditions and changing environments. This research addresses practical changes made to the consensus based task allocation algorithms for improving the Quality of Service in multi-task and multi-agent environments.
Advisors/Committee Members: Robert H. Klenke.
Subjects/Keywords: task-allocation; unmanned aircraft system; intelligent agent; collaborative; Engineering
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APA ·
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to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Bakker, T. (2014). Dynamic Task-Allocation for Unmanned Aircraft Systems. (Doctoral Dissertation). Virginia Commonwealth University. Retrieved from https://doi.org/10.25772/A3SD-XG08 ; https://scholarscompass.vcu.edu/etd/3394
Chicago Manual of Style (16th Edition):
Bakker, Tim. “Dynamic Task-Allocation for Unmanned Aircraft Systems.” 2014. Doctoral Dissertation, Virginia Commonwealth University. Accessed January 19, 2021.
https://doi.org/10.25772/A3SD-XG08 ; https://scholarscompass.vcu.edu/etd/3394.
MLA Handbook (7th Edition):
Bakker, Tim. “Dynamic Task-Allocation for Unmanned Aircraft Systems.” 2014. Web. 19 Jan 2021.
Vancouver:
Bakker T. Dynamic Task-Allocation for Unmanned Aircraft Systems. [Internet] [Doctoral dissertation]. Virginia Commonwealth University; 2014. [cited 2021 Jan 19].
Available from: https://doi.org/10.25772/A3SD-XG08 ; https://scholarscompass.vcu.edu/etd/3394.
Council of Science Editors:
Bakker T. Dynamic Task-Allocation for Unmanned Aircraft Systems. [Doctoral Dissertation]. Virginia Commonwealth University; 2014. Available from: https://doi.org/10.25772/A3SD-XG08 ; https://scholarscompass.vcu.edu/etd/3394
Universidade Nova
16.
Jordán, Emilio Troncho.
A prospective geoinformatic approach to indoor navigation for Unmanned Air System (UAS) by use of quick response (QR) codes.
Degree: 2016, Universidade Nova
URL: http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/18406
► This research study explores a navigation system for autonomous indoor flight of Unmanned Aircraft Systems (UAS) dead reckoning with Inertial Navigation System (INS) and the…
(more)
▼ This research study explores a navigation system for autonomous indoor flight of
Unmanned Aircraft Systems (UAS) dead reckoning with Inertial Navigation System (INS) and the use of low cost artificial landmarks, Quick Response (QR) codes placed on the floor and allows for fully autonomous flight with all computation done onboard UAS on embedded hardware. We provide a detailed description of all system components and application. Additionally, we show how the system is integrated with a commercial UAS and provide results of experimental autonomous flight tests. To our knowledge, this system is one of the first to allow for complete closed-loop control and goal-driven navigation of a UAS in an indoor setting without requiring connection to any external infrastructures.
Advisors/Committee Members: Guerrero, Ignacio, Prinz, Torsten, Henriques, Roberto.
Subjects/Keywords: Unmanned Aircraft System; Indoor Navigation; QR codes; Inertial Navigation System
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APA (6th Edition):
Jordán, E. T. (2016). A prospective geoinformatic approach to indoor navigation for Unmanned Air System (UAS) by use of quick response (QR) codes. (Thesis). Universidade Nova. Retrieved from http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/18406
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Jordán, Emilio Troncho. “A prospective geoinformatic approach to indoor navigation for Unmanned Air System (UAS) by use of quick response (QR) codes.” 2016. Thesis, Universidade Nova. Accessed January 19, 2021.
http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/18406.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Jordán, Emilio Troncho. “A prospective geoinformatic approach to indoor navigation for Unmanned Air System (UAS) by use of quick response (QR) codes.” 2016. Web. 19 Jan 2021.
Vancouver:
Jordán ET. A prospective geoinformatic approach to indoor navigation for Unmanned Air System (UAS) by use of quick response (QR) codes. [Internet] [Thesis]. Universidade Nova; 2016. [cited 2021 Jan 19].
Available from: http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/18406.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Jordán ET. A prospective geoinformatic approach to indoor navigation for Unmanned Air System (UAS) by use of quick response (QR) codes. [Thesis]. Universidade Nova; 2016. Available from: http://www.rcaap.pt/detail.jsp?id=oai:run.unl.pt:10362/18406
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
17.
Batalha, Carlos.
Da edificação de capacidades militares.
Degree: 2014, IUM
URL: https://www.rcaap.pt/detail.jsp?id=oai:comum.rcaap.pt:10400.26/11392
► Findo o bloco soviético e, com ele, desvanecido o inimigo dos Estados ocidentais e a ameaça militar que dele advinha, o conceito de segurança alarga-se…
(more)
▼ Findo o bloco soviético e, com ele, desvanecido o inimigo dos Estados ocidentais e a ameaça militar que dele advinha, o conceito de segurança alarga-se no seu espetro, abrangendo outros setores como a política, a identidade societal, o ambiente e a economia. Consequência deste alargamento dá-se igualmente um aprofundamento do quadro de ameaças com caráter subestatal e com fortes conexões com a criminalidade organizada.
Face à alteração do quadro de ameaças e dos riscos securitários, consideramos que a sua mitigação deve envolver uma alteração de paradigma, levando-nos a afastar de uma conceção industrial, centrada no inimigo, para uma conceção pós-industrial, onde a inexistência (ou desconhecimento) dos atores geradores das ameaças obrigam a uma nova centralização da edificação de capacidades, nomeadamente nos alvos das mesmas.
A mitigação do risco é assim obtida por via de estratégias coercivas de negação as quais incidirão diretamente nas operações dos atores geradores das ameaças e no seu cálculo custo/benefício, com consequente diminuição da probabilidade de ocorrência de ataques aos potenciais alvos (ativos) relevantes para o Estado.
Tal capacidade deve ser edificada tendo como principio a construção teórica dos sistemas complexos, gerando uma rede de agentes sensoriais e intercetores interligados entre si por via de uma info-estrutura capaz de potenciar as suas interligações, originando comportamentos emergentes ao nível sistémico. Tal sistema de sistemas, ao permitir maior diversidade ao nível dos agentes, aumenta a adaptabilidade do conjunto, característica fundamental para contrariar os atores subestatais, também eles flexíveis e adaptáveis do ponto de vista operacional.
Neste contexto securitário, onde a dissuasão de cariz retaliatório deixou de poder ser materializável pela indefinição dos threateners, a mitigação dos riscos securitários deve ser orientada pela edificação de capacidades interministeriais geradoras de valor no âmbito da proteção dos ativos pertinentes ao Estado. Tendo em consideração o caráter extensivo dos riscos, o custo da capacidade será eventualmente a dimensão mais pertinente na definição do valor, pelo que a sua redução deverá ser uma prioridade. Abstract: Vanished the Soviet bloc and with it, the enemy of the Western States and the military threat that stemmed from it, the concept of security widens in its spectrum, covering other sectors than the military one such as politics, societal identity, environment and the economy. Consequence of this enlargement occurs also a deepening in the spectrum of sub-state threats, with close connections to organized crime.
Given the change in the threats scopes and security risks, we consider that its mitigation should involve a paradigm shift, taking us away from an industrial framework, centered on the enemy, to a post-industrial one, where the nonexistence of threats generators requires a new centralization of capability planning, centered in the threats targets.
Risk mitigation is thus obtained by means of coercive strategies of denial which…
Subjects/Keywords: Capacidades militares; Segurança Nacional; Dissuasão; Unmanned Aircraft Systems; Sensores; Sistemas complexos
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APA (6th Edition):
Batalha, C. (2014). Da edificação de capacidades militares. (Thesis). IUM. Retrieved from https://www.rcaap.pt/detail.jsp?id=oai:comum.rcaap.pt:10400.26/11392
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Batalha, Carlos. “Da edificação de capacidades militares.” 2014. Thesis, IUM. Accessed January 19, 2021.
https://www.rcaap.pt/detail.jsp?id=oai:comum.rcaap.pt:10400.26/11392.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Batalha, Carlos. “Da edificação de capacidades militares.” 2014. Web. 19 Jan 2021.
Vancouver:
Batalha C. Da edificação de capacidades militares. [Internet] [Thesis]. IUM; 2014. [cited 2021 Jan 19].
Available from: https://www.rcaap.pt/detail.jsp?id=oai:comum.rcaap.pt:10400.26/11392.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Batalha C. Da edificação de capacidades militares. [Thesis]. IUM; 2014. Available from: https://www.rcaap.pt/detail.jsp?id=oai:comum.rcaap.pt:10400.26/11392
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
18.
Oliveira, José.
O Programa de Sistemas Aéreos Não Tripulados da Força Aérea Portuguesa como alicerce da Capacidade Aérea Não Tripulada Nacional.
Degree: 2014, IUM
URL: https://www.rcaap.pt/detail.jsp?id=oai:comum.rcaap.pt:10400.26/11395
► O Programa de Unmanned Aircraft Systems (UAS) da Força Aérea Portuguesa (FAP) tem a sua origem nos trabalhos académicos de investigação realizados na Academia da…
(more)
▼ O Programa de Unmanned Aircraft Systems (UAS) da Força Aérea Portuguesa (FAP) tem a sua origem nos trabalhos académicos de investigação realizados na Academia da Força Aérea, inicialmente, e no seu Centro de Investigação, após a sua criação. Apesar de algum trabalho realizado anteriormente, o projeto de maior visibilidade foi o Projeto de Investigação e Tecnologia em Veículos Aéreos Não Tripulados (PITVANT), tendo alcançado elevados níveis de sucesso naqueles que foram os objetivos estabelecidos: investigação e desenvolvimento na área dos UAS focados nas necessidades operacionais das Forças Armadas (FFAA).
O PITVANT produziu diversos protótipos que foram testados e validados, participaram em exercícios vocacionados para este tipo de meios e constituíram uma rede de conhecimento e partilha entre entidades estrangeiras e o Sistema Científico e Tecnológico Nacional.
A FAP, com o intuito de dar seguimento a este projeto, produziu um documento de doutrina estratégica que orienta o modo como os trabalhos devem ser conduzidos, quais as expectativas de operação e requisitos genéricos a alcançar, fundamentando o seu Programa de UAS.
As valências alcançadas desde o início do programa vieram a manifestar-se suficientes para uma satisfação alargada das necessidades identificadas pelos ramos das FFAA e pelas Forças e Serviços de Segurança (FFSS), adequando-se assim a satisfazer as de outras entidades cujos requisitos se afiguram menos exigentes.
O estabelecimento de uma capacidade operacional sustentada no Programa de UAS da FAP carece de processos de edificação e implementação que resolvemos designar por solução de operacionalização. Para esse efeito abordámos diversas dimensões, nomeadamente a genética, a organizacional e a operacional, sustentadas num modelo de industrialização, em processos de sustentação, na criação de uma estrutura de testes e no acompanhamento constante por parte da Investigação e Tecnologia (I&T).
Da análise destas dimensões e com a expectativa de aproveitamento e incremento de valências e potencialidades existentes, identificaram-se ações de caráter estratégico operacional e tático, focadas na materialização e operacionalização da capacidade UAS na FAP, permitindo assim alicerçar essa capacidade nos restantes ramos das FFAA, FFSS e ainda em outras entidades pública e privadas.
A edificação e implementação de uma capacidade devem ser orientadas segundo critérios bem definidos e cronologicamente referenciados. Para atingir este objetivo, recorremos aos vetores de desenvolvimento de capacidades estabelecidos pelo acrónimo DOTMPLII-I, segundo o qual identificámos a FAP como a entidade mais capacitada para liderar o processo e, como tal, capaz de potenciar a edificação de uma capacidade nacional alicerçada nas suas valências, know-how e capacidades intrínsecas diretamente relacionadas com a operação aeronáutica. Abstract: The Portuguese Air Force (PoAF) Unmanned Aircraft System (UAS) program has its origin in academic work conducted, initially, by research activities in the Air Force Academy and, later, in…
Subjects/Keywords: PITVANT; Unmanned Aircraft System; Capacidade UAS nacional; BTID; Força Aérea Portuguesa
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APA (6th Edition):
Oliveira, J. (2014). O Programa de Sistemas Aéreos Não Tripulados da Força Aérea Portuguesa como alicerce da Capacidade Aérea Não Tripulada Nacional. (Thesis). IUM. Retrieved from https://www.rcaap.pt/detail.jsp?id=oai:comum.rcaap.pt:10400.26/11395
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Oliveira, José. “O Programa de Sistemas Aéreos Não Tripulados da Força Aérea Portuguesa como alicerce da Capacidade Aérea Não Tripulada Nacional.” 2014. Thesis, IUM. Accessed January 19, 2021.
https://www.rcaap.pt/detail.jsp?id=oai:comum.rcaap.pt:10400.26/11395.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Oliveira, José. “O Programa de Sistemas Aéreos Não Tripulados da Força Aérea Portuguesa como alicerce da Capacidade Aérea Não Tripulada Nacional.” 2014. Web. 19 Jan 2021.
Vancouver:
Oliveira J. O Programa de Sistemas Aéreos Não Tripulados da Força Aérea Portuguesa como alicerce da Capacidade Aérea Não Tripulada Nacional. [Internet] [Thesis]. IUM; 2014. [cited 2021 Jan 19].
Available from: https://www.rcaap.pt/detail.jsp?id=oai:comum.rcaap.pt:10400.26/11395.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Oliveira J. O Programa de Sistemas Aéreos Não Tripulados da Força Aérea Portuguesa como alicerce da Capacidade Aérea Não Tripulada Nacional. [Thesis]. IUM; 2014. Available from: https://www.rcaap.pt/detail.jsp?id=oai:comum.rcaap.pt:10400.26/11395
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Universitat Politècnica de Catalunya
19.
Santamaría Barnadas, Eduard.
Formal mission specification and execution mechanisms for unmanned aircraft systems.
Degree: Departament d'Arquitectura de Computadors, 2010, Universitat Politècnica de Catalunya
URL: http://hdl.handle.net/10803/6020
► Unmanned Aircraft Systems (UAS) are rapidly gaining attention due to the increasing potential of their applications in the civil domain. UAS can provide great value…
(more)
▼ Unmanned Aircraft Systems (UAS) are rapidly gaining attention due to the increasing potential of their applications in the civil domain. UAS can provide great value performing environmental applications, during emergency situations, as monitoring and surveillance tools, and operating as communication relays among other uses. In general, they are specially well suited for the so-called D-cube operations (Dirty, Dull or Dangerous). Most current commercial solutions, if not remotely piloted, rely on waypoint based flight control systems for their navigation and are unable to coordinate UAS flight with payload operation. Therefore, automation capabilities and the ability for the system to operate in an autonomous manner are very limited. Some motivators that turn autonomy into an important requirement include limited bandwidth, limits on long-term attention spans of human operators, faster access to sensed data, which also results in better reaction times, as well as benefits derived from reducing operators workload and training requirements. Other important requirements we believe are key to the success of UAS in the civil domain are reconfigurability and cost-effectiveness. As a result, an affordable platform should be able to operate in different application scenarios with reduced human intervention. To increase capabilities of UAS and satisfy the aforementioned requirements, we propose adding flight plan and mission management layers on top of a commercial off-the-shelf flight control system. By doing so, a high level of autonomy can be achieved while taking advantage of available technologies and avoiding huge investments. Reconfiguration is made possible by separating flight and mission execution from its specification. The flight and mission management components presented in this thesis integrate into a wider hardware/software architecture being developed by the ICARUS research group. This architecture follows a service oriented approach where UAS subsystems are connected together through a common networking infrastructure. Components can be added and removed from the network in order to adapt the system to the target mission. The first contribution of this thesis consists, then, in a flight specification language that enables the description of the flight plan in terms of legs. Legs provide a higher level of abstraction compared to plain waypoints since they not only specify a destination but also the trajectory that should be followed to reach it. This leg concept is extended with additional constructs that enable specification of alternative routes, repetition and generation of complex trajectories from a reduced number of parameters. A Flight Plan Manager (FPM) service has been developed that is responsible for the execution of the flight plan. Since the underlying flight control system is still waypoint based, additional intermediate waypoints are automatically generated to adjust the flight to the desired trajectory. In order to coordinate UAS flight and payload operation a…
Advisors/Committee Members: [email protected] (authoremail), false (authoremailshow), Pastor Llorens, Enric (director), Barrado, Cristina (codirector).
Subjects/Keywords: flight management; mission management; unmanned aircraft systems; UAS; 004
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APA (6th Edition):
Santamaría Barnadas, E. (2010). Formal mission specification and execution mechanisms for unmanned aircraft systems. (Thesis). Universitat Politècnica de Catalunya. Retrieved from http://hdl.handle.net/10803/6020
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Santamaría Barnadas, Eduard. “Formal mission specification and execution mechanisms for unmanned aircraft systems.” 2010. Thesis, Universitat Politècnica de Catalunya. Accessed January 19, 2021.
http://hdl.handle.net/10803/6020.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Santamaría Barnadas, Eduard. “Formal mission specification and execution mechanisms for unmanned aircraft systems.” 2010. Web. 19 Jan 2021.
Vancouver:
Santamaría Barnadas E. Formal mission specification and execution mechanisms for unmanned aircraft systems. [Internet] [Thesis]. Universitat Politècnica de Catalunya; 2010. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/10803/6020.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Santamaría Barnadas E. Formal mission specification and execution mechanisms for unmanned aircraft systems. [Thesis]. Universitat Politècnica de Catalunya; 2010. Available from: http://hdl.handle.net/10803/6020
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Colorado
20.
Weibel, Douglas E.
Improving the accuracy of in-situ lower ABL wind measurements using sUAS.
Degree: PhD, Aerospace Engineering Sciences, 2015, University of Colorado
URL: https://scholar.colorado.edu/asen_gradetds/105
► Wind measurement is a challenging problem as wind is a spatiotemporal vector field and obtaining a set of measurements with desired spatial and temporal…
(more)
▼ Wind measurement is a challenging problem as wind is a spatiotemporal vector field and obtaining a set of measurements with desired spatial and temporal sampling is not always possible. Small
unmanned-
aircraft systems (sUAS) are an emerging technology offering new capabilities for in-situ sensing in the lower atmospheric boundary layer (ABL) with cost, operational and safety advantages over larger airborne wind-measurement systems including the potential to use swarms of sUAS for denser sampling. Analysis of contemporary sUAS-based wind-measurement systems shows that the wind-measurement error is not dominated by a single source. Errors introduced by the relative-wind sensor, the airframe velocity estimate, the airframe attitude estimate, and the airframe attitude-rate estimate are all significant. This work focuses on improving sUAS velocity estimation and attitude estimation. State estimation for contemporary sUAS is based on sensors that are small, light and inexpensive but have much poorer performance than larger, navigation-grade sensors used in manned
aircraft. Careful choice of a sensor fusion algorithm can allow for sUAS velocity-estimation accuracy on the order of 1 cm/s and attitude-estimation accuracy on the order of 0.1_ when using inexpensive consumer grade sensors. With a high-quality relative-wind sensor these levels of state-estimation accuracy allow for wind-measurement with accuracy on the order of 1 cm/s. However, some key issues in sUAS state estimation, particularly for sUAS ying in wind, have heretofore received little attention. Wind-gust-induced motion can have a significant effect on sUAS state estimation and many sensor-fusion algorithms proposed for use with sUAS have poor performance when subjected to wind-gust-induced motion.
Speci_c approaches to sUAS attitude and velocity estimation are proposed based on analytic results and testing of contemporary sensors. In particular it is shown that an extended Kalman filter estimating attitude and gyroscope bias drift rate, and using time-differenced GPS velocity measurements to estimate translational acceleration, can provide the desired attitude-estimate accuracy with contemporary sUAS suitable sensors even in the presence of strong winds and turbulence. Simulation of this algorithm's performance when used on a sUAS ying in turbulent conditions show as much as an order-of-magnitude improvement in performance compared to other algorithms presented in the literature. Analysis of sUAS velocity estimation shows a strong sensitivity to the performance of the GPS receiver's velocity-measurement accuracy. Small UAS generally use inexpensive commercial-o_-the-shelf (COTS) GPS receivers which often have higher error levels when experiencing accelerating motion as is typical for sUAS flying in wind. A particular COTS GPS receiver that outputs raw satellite-channel-measurement data is examined. Analysis of test data was used to develop a method of using the COTS GPS raw-measurement data to produce a velocity estimate with the desired…
Advisors/Committee Members: Dale Lawrence, Scott Palo, Eric Frew, Nissar Ahmed, Lucy Pao.
Subjects/Keywords: UAS; UAV; Unmanned Aircraft; wind velocity; Aerospace Engineering; Environmental Sciences; Robotics
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APA (6th Edition):
Weibel, D. E. (2015). Improving the accuracy of in-situ lower ABL wind measurements using sUAS. (Doctoral Dissertation). University of Colorado. Retrieved from https://scholar.colorado.edu/asen_gradetds/105
Chicago Manual of Style (16th Edition):
Weibel, Douglas E. “Improving the accuracy of in-situ lower ABL wind measurements using sUAS.” 2015. Doctoral Dissertation, University of Colorado. Accessed January 19, 2021.
https://scholar.colorado.edu/asen_gradetds/105.
MLA Handbook (7th Edition):
Weibel, Douglas E. “Improving the accuracy of in-situ lower ABL wind measurements using sUAS.” 2015. Web. 19 Jan 2021.
Vancouver:
Weibel DE. Improving the accuracy of in-situ lower ABL wind measurements using sUAS. [Internet] [Doctoral dissertation]. University of Colorado; 2015. [cited 2021 Jan 19].
Available from: https://scholar.colorado.edu/asen_gradetds/105.
Council of Science Editors:
Weibel DE. Improving the accuracy of in-situ lower ABL wind measurements using sUAS. [Doctoral Dissertation]. University of Colorado; 2015. Available from: https://scholar.colorado.edu/asen_gradetds/105
21.
Cameron, Eric.
Unmanned Aircraft Systems: Factors That Affect The Acceptance Of Unmanned Aircraft Usage Within The United States National Airspace System.
Degree: MS, Aviation, 2014, University of North Dakota
URL: https://commons.und.edu/theses/1627
► Unmanned aircraft have been around since before the Wright brothers took flight in 1903. Even though unmanned aircraft have had a history that well…
(more)
▼ Unmanned aircraft have been around since before the Wright brothers took flight in 1903. Even though
unmanned aircraft have had a history that well exceeds the century of manned aviation, they were primarily used by the military, and were mostly outside the public's purview. In recent years
unmanned aircraft have made a giant leap from military use to commercial use within the United States and around the world. While pilots and operators flying these
aircraft may have accepted the technology and its future potential; the public might have a different point of view on utilization over their home, town, state, or country. Numerous articles suggest that the public of the United States has a long history of determining which technologies will be readily accepted, slowly adopted, or fail before becoming commonplace. This thesis examines important issues regarding public perception of
Unmanned Aircraft Systems (UAS), their use in the United States, where they fly, and, specifically, their use in a law enforcement setting.
The study found that the public has a lower acceptance rate for
unmanned aircraft than manned
aircraft. Public perception of
unmanned aircraft may create obstacles for the usage of this technology for law enforcement purposes.
Advisors/Committee Members: John Bridewell.
Subjects/Keywords: aerial surveillance; aviation law enforcement; drone; uav privacy issues; unmanned aircraft
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APA (6th Edition):
Cameron, E. (2014). Unmanned Aircraft Systems: Factors That Affect The Acceptance Of Unmanned Aircraft Usage Within The United States National Airspace System. (Masters Thesis). University of North Dakota. Retrieved from https://commons.und.edu/theses/1627
Chicago Manual of Style (16th Edition):
Cameron, Eric. “Unmanned Aircraft Systems: Factors That Affect The Acceptance Of Unmanned Aircraft Usage Within The United States National Airspace System.” 2014. Masters Thesis, University of North Dakota. Accessed January 19, 2021.
https://commons.und.edu/theses/1627.
MLA Handbook (7th Edition):
Cameron, Eric. “Unmanned Aircraft Systems: Factors That Affect The Acceptance Of Unmanned Aircraft Usage Within The United States National Airspace System.” 2014. Web. 19 Jan 2021.
Vancouver:
Cameron E. Unmanned Aircraft Systems: Factors That Affect The Acceptance Of Unmanned Aircraft Usage Within The United States National Airspace System. [Internet] [Masters thesis]. University of North Dakota; 2014. [cited 2021 Jan 19].
Available from: https://commons.und.edu/theses/1627.
Council of Science Editors:
Cameron E. Unmanned Aircraft Systems: Factors That Affect The Acceptance Of Unmanned Aircraft Usage Within The United States National Airspace System. [Masters Thesis]. University of North Dakota; 2014. Available from: https://commons.und.edu/theses/1627
22.
Smith, Jeremy Richard.
Integration Of Small Unmanned Aircraft Systems Into Precision Agriculture: Putting The Power Of Remote Sensing Into The Hands Of Farmers.
Degree: MS, Space Studies, 2012, University of North Dakota
URL: https://commons.und.edu/theses/1272
► The rapid emergence and advancement of small unmanned aircraft systems (sUAS) has made it possible for their incorporation into modern agriculture. Satellite imagery has…
(more)
▼ The rapid emergence and advancement of small
unmanned aircraft systems (sUAS) has made it possible for their incorporation into modern agriculture. Satellite imagery has been used in the past to increase yields and profits while simultaneously decreasing chemical use and environmental damage. However, satellite imagery has some limitations in regards to agriculture that sUAS has the potential to supplement and correct. This study will present the technical and legal integration of sUAS into private agriculture in the United States. Multiple flights were conducted at various altitudes to understand the lowest possible altitude for safe and useful image recovery. A comparison of satellite, manned
aircraft, and sUAS was conducted to determine the relative usefulness of sUAS in contrast to other proven remote sensing platforms for crop analysis. A review of the current sUAS regulations and a possible solution for speedy and safe integration will also be presented.
Advisors/Committee Members: Santhosh K. Seelan.
Subjects/Keywords: Crop Monitoring; Drone; Remote Sensing; Unmanned Aircraft Systems; Water Damage
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APA (6th Edition):
Smith, J. R. (2012). Integration Of Small Unmanned Aircraft Systems Into Precision Agriculture: Putting The Power Of Remote Sensing Into The Hands Of Farmers. (Masters Thesis). University of North Dakota. Retrieved from https://commons.und.edu/theses/1272
Chicago Manual of Style (16th Edition):
Smith, Jeremy Richard. “Integration Of Small Unmanned Aircraft Systems Into Precision Agriculture: Putting The Power Of Remote Sensing Into The Hands Of Farmers.” 2012. Masters Thesis, University of North Dakota. Accessed January 19, 2021.
https://commons.und.edu/theses/1272.
MLA Handbook (7th Edition):
Smith, Jeremy Richard. “Integration Of Small Unmanned Aircraft Systems Into Precision Agriculture: Putting The Power Of Remote Sensing Into The Hands Of Farmers.” 2012. Web. 19 Jan 2021.
Vancouver:
Smith JR. Integration Of Small Unmanned Aircraft Systems Into Precision Agriculture: Putting The Power Of Remote Sensing Into The Hands Of Farmers. [Internet] [Masters thesis]. University of North Dakota; 2012. [cited 2021 Jan 19].
Available from: https://commons.und.edu/theses/1272.
Council of Science Editors:
Smith JR. Integration Of Small Unmanned Aircraft Systems Into Precision Agriculture: Putting The Power Of Remote Sensing Into The Hands Of Farmers. [Masters Thesis]. University of North Dakota; 2012. Available from: https://commons.und.edu/theses/1272
23.
Lundmark, Johan.
Utvärdering av digitala terrängmodeller framtagna med flygburen laserskanning och UAS-fotogrammetri.
Degree: GIS, 2018, University of Gävle
URL: http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-27295
► Over the last years there has been a rapid development in the UAS-technology (Unmanned Aircraft Systems) and today there are several UAS systems on…
(more)
▼ Over the last years there has been a rapid development in the UAS-technology (Unmanned Aircraft Systems) and today there are several UAS systems on the market. The fast development has led to differences in both price and capability of taking high-quality images between the systems. The purpose of this study was firstly to investigate how two UAS systems differ in the uncertainty of measurement while making digital terrain models, secondly, to investigate how different UAS systems cope with the laws and requirements that exist for producing digital terrain models for detail projection, SIS-TS 21144:2016 Table 6 level 1-3. A comparative study on two software’s creation of point clouds from picture data was also conducted. In this study, three digital models were made from one specific area. They were created with two different UAS-systems and laser scanning from an airplane. The models were compared and analysed using the RUFRIS method. The UASsystems used were a fixed wings Smartplanes S1C and a rotary wings Dji Phantom 4 PRO. The Smartplanes flew 174 m above the ground and the Dji Phantom 4 flew 80 m above the ground. The results from the study show that laser scanning from the airplane created the model with the lowest measurement uncertainty and met all the requirements for each separate type (asphalt, natural soil, grass and gravel) for detail projection according to SIS.TS 201144:2016 table 6 level 1-3. Additionally, the results show that the terrain model produced by the Dji Phantom 4 only met the requirements for asphalt where the mean deviation was 0,001 m. The results produced with “Smartplanes” met the requirements for asphalt and gravel where the mean deviations were -0,007 m and 0,017 m. The softwares PhotoScan and UASMaster were compared while creating point clouds from pictures taken by the Smartplanes. The results show that PhotoScan had the lowest uncertainty for asphalt, grass and gravel surfaces while UASMaster produced lower uncertainty for natural soil. The results indicate that airborne laser scanning should be the preferred method for collection of topographic data since it created lower measurement uncertainties than the other methods in this study. It is also possible to create digital terrain models with UAS for detail projection for asphalt and gravel surface in accordance with 21144:2016. Finally, it was concluded that the used software programs are showing differences in creating point clouds.
De senaste åren har tekniken för Unmanned Aircraft System (UAS) utvecklats snabbt och idag finns flera system på marknaden. Ett resultat av den snabba utvecklingen är att de olika systemen skiljer sig åt, dels i pris men även i kapacitet. Syftet med studien var att undersöka hur olika UAS-system skiljer sig åt i mätosäkerhet vid framställning av digitala terrängmodeller, men även hur olika UAS-system står sig mot det regelverk som finns för framställning av digitala terrängmodeller vid detaljprojektering enligt SIS-TS 21144:2016 Tabell 6 klass 1-3. Ytterligare ett syfte…
Subjects/Keywords: Airborne Laser Scanning (ALS); Digital Terrain Model (DTM); Unmanned Aircraft System (UAS); Unmanned Aircraft Vehicle (UAV); Digital terrängmodell (DTM); Flygburen laserskanning (FLS); Unmanned Aircraft System (UAS); Unmanned Aircraft Vehicle (UAV); Other Civil Engineering; Annan samhällsbyggnadsteknik
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APA (6th Edition):
Lundmark, J. (2018). Utvärdering av digitala terrängmodeller framtagna med flygburen laserskanning och UAS-fotogrammetri. (Thesis). University of Gävle. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-27295
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Lundmark, Johan. “Utvärdering av digitala terrängmodeller framtagna med flygburen laserskanning och UAS-fotogrammetri.” 2018. Thesis, University of Gävle. Accessed January 19, 2021.
http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-27295.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Lundmark, Johan. “Utvärdering av digitala terrängmodeller framtagna med flygburen laserskanning och UAS-fotogrammetri.” 2018. Web. 19 Jan 2021.
Vancouver:
Lundmark J. Utvärdering av digitala terrängmodeller framtagna med flygburen laserskanning och UAS-fotogrammetri. [Internet] [Thesis]. University of Gävle; 2018. [cited 2021 Jan 19].
Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-27295.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Lundmark J. Utvärdering av digitala terrängmodeller framtagna med flygburen laserskanning och UAS-fotogrammetri. [Thesis]. University of Gävle; 2018. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-27295
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Victoria
24.
Richards, Jenner.
An Experimental Investigation of a Joined Wing Aircraft Configuration Using Flexible, Reduced Scale Flight Test Vehicles.
Degree: Department of Mechanical Engineering, 2014, University of Victoria
URL: http://hdl.handle.net/1828/5710
► The United States Air Force has specified a need for the next generation, High Altitude, Long Endurance aircraft capable of carrying advanced sensor arrays over…
(more)
▼ The United States Air Force has specified a need for the next generation, High Altitude, Long Endurance
aircraft capable of carrying advanced sensor arrays over very large distances and at extreme altitudes. These extensive set of requirements has required a radical shift away from the conventional wing & tube configurations with a new focus placed on extremely light weight and unconventional structural and aerodynamic configurations. One such example is the Boeing Joined wing SensorCraft Concept.
The Joined wing concept has potential structural and sensor carrying benefits, but along with these potential benefits come several challenges. One of the primary concerns is the aeroelastic response of the aft wing, with potential adverse behaviours such as flutter and highly nonlinear structural behaviour of the aft wing under gust conditions. While nonlinear computation models have been developed to predict these responses, there exists a lack of experimental ground and flight test data for this unique joined wing configuration with which to benchmark the analytical predictions. The goal of this work is to develop a 5m, scaled version of the Boeing Joined Wing configuration and collect data, through a series of ground and flight based tests, which will allow designers to better understand the unique structural response of the configuration.
A computational framework was developed that is capable of linearly scaling the aeroelastic response of the full scale
aircraft and optimize a reduced scale
aircraft to exhibit equivalent scaled behaviour. A series of reduced complexity models was developed to further investigate the flying characteristics of the configuration, test avionics and instrumentation systems and the develop flight control laws to adequately control the marginally stable
aircraft. Lessons learned were then applied the 5m flight test article that was designed and constructed by the author.
In the final stage of the project, the decision was made to relax the aeroelastically scaled constraint in order to allow additional softening of the structure to further investigate the nonlinear behaviour of the
aircraft. Due to the added risk and complexity of flying this highly flexible
aircraft the decision was made to produce the final aeroelastically scaled article at the 1.85m scale. This model was designed, developed and ground tested in the lead up to a follow on project which will see additional flight testing performed in conjunction with Boeing Inc.
Advisors/Committee Members: Suleman, Afzal (supervisor).
Subjects/Keywords: Aeroelastic; Aeroelasticity; UAV; Joined Wing; SensorCraft; Flight Test; Unmanned Aircraft
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APA (6th Edition):
Richards, J. (2014). An Experimental Investigation of a Joined Wing Aircraft Configuration Using Flexible, Reduced Scale Flight Test Vehicles. (Thesis). University of Victoria. Retrieved from http://hdl.handle.net/1828/5710
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Richards, Jenner. “An Experimental Investigation of a Joined Wing Aircraft Configuration Using Flexible, Reduced Scale Flight Test Vehicles.” 2014. Thesis, University of Victoria. Accessed January 19, 2021.
http://hdl.handle.net/1828/5710.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Richards, Jenner. “An Experimental Investigation of a Joined Wing Aircraft Configuration Using Flexible, Reduced Scale Flight Test Vehicles.” 2014. Web. 19 Jan 2021.
Vancouver:
Richards J. An Experimental Investigation of a Joined Wing Aircraft Configuration Using Flexible, Reduced Scale Flight Test Vehicles. [Internet] [Thesis]. University of Victoria; 2014. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/1828/5710.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Richards J. An Experimental Investigation of a Joined Wing Aircraft Configuration Using Flexible, Reduced Scale Flight Test Vehicles. [Thesis]. University of Victoria; 2014. Available from: http://hdl.handle.net/1828/5710
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
25.
Reilly, Lucas Andrew.
Exploration Of Model-Resolution Dependence Of Forecasted Wind Hazards For Small Unmanned Aircraft System Operations.
Degree: MS, Atmospheric Sciences, 2020, University of North Dakota
URL: https://commons.und.edu/theses/3292
► Use of the small Unmanned Aircraft System (sUAS) for commercial applications is growing. Once approval is granted to conduct flights Beyond Visual Line Of…
(more)
▼ Use of the small
Unmanned Aircraft System (sUAS) for commercial applications is growing. Once approval is granted to conduct flights Beyond Visual Line Of Sight (BVLOS), utilization of the sUAS will accelerate. Hazards associated with sUAS flight, including weather hazards, must be understood when flying BVLOS. One of the leading weather hazards is wind. In this study, nested Weather Research and Forecasting (WRF) model simulations with horizontal grid spacings of 12 km, 4 km, 1.33 km, and 0.444 km were conducted to evaluate the impact changing resolution has on wind fields and, thus, on the forecasting of sUAS wind hazards. The simulated area lies within Central New York (CNY); the surrounding topographic features commonly generate small-scale wind patterns, creating excellent opportunities to explore the dependence of winds on model resolution. Results suggest the importance in increasing model resolution to increase sUAS safety, where a 1.33 km resolution well-identifies hazardous winds. The 0.444 km resolution resolved more detailed atmospheric features at the cost of an increase in computational power. An ensemble model approach along with human interpretation is hypothesized to best facilitate a sUAS-centric forecast.
Advisors/Committee Members: Mark Askelson.
Subjects/Keywords: Complex Terrain; Drones; Resolution; Unmanned Aircraft; Wind; WRF
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APA (6th Edition):
Reilly, L. A. (2020). Exploration Of Model-Resolution Dependence Of Forecasted Wind Hazards For Small Unmanned Aircraft System Operations. (Masters Thesis). University of North Dakota. Retrieved from https://commons.und.edu/theses/3292
Chicago Manual of Style (16th Edition):
Reilly, Lucas Andrew. “Exploration Of Model-Resolution Dependence Of Forecasted Wind Hazards For Small Unmanned Aircraft System Operations.” 2020. Masters Thesis, University of North Dakota. Accessed January 19, 2021.
https://commons.und.edu/theses/3292.
MLA Handbook (7th Edition):
Reilly, Lucas Andrew. “Exploration Of Model-Resolution Dependence Of Forecasted Wind Hazards For Small Unmanned Aircraft System Operations.” 2020. Web. 19 Jan 2021.
Vancouver:
Reilly LA. Exploration Of Model-Resolution Dependence Of Forecasted Wind Hazards For Small Unmanned Aircraft System Operations. [Internet] [Masters thesis]. University of North Dakota; 2020. [cited 2021 Jan 19].
Available from: https://commons.und.edu/theses/3292.
Council of Science Editors:
Reilly LA. Exploration Of Model-Resolution Dependence Of Forecasted Wind Hazards For Small Unmanned Aircraft System Operations. [Masters Thesis]. University of North Dakota; 2020. Available from: https://commons.und.edu/theses/3292
Georgia Tech
26.
Kim, Sungjin.
User-perceived effectiveness of unmanned aircraft system (UAS) integration in infrastructure construction environments.
Degree: PhD, Building Construction, 2018, Georgia Tech
URL: http://hdl.handle.net/1853/59899
► A multi-layered performance analysis (MPA) method was proposed. Information analysis, technology performance, and human performance addressed based on the users' experience and perception measurement method…
(more)
▼ A multi-layered performance analysis (MPA) method was proposed. Information analysis, technology performance, and human performance addressed based on the users' experience and perception measurement method in this study. Field-testing and participatory user field experiment were also conducted. Results can provide a better understanding of UAS integration and information needs to use the UAS in the construction domain. The findings during field-testing and group interviews can identify important factors and demonstrate the effectiveness of UAS integration based on the identified factors. The main challenge of this study is the small number of the data sample. However, industry representatives who have significant work experience participated, and the result of this study based on their experience and perception could have significant effects on the UAS integration in the construction environment. The MPA method contributes to transforming the research paradigm from the technology-centric method to the human-technology combined approach that considers human performance. The main findings can also function as the foundation to develop practical user guidelines and policy for the construction and infrastructure industry.
Advisors/Committee Members: Irizarry, Javier (advisor), Castro, Daniel (committee member), Johnson, Eric (committee member), Kanfer, Ruth (committee member), Bastos Costa, Dayana (committee member).
Subjects/Keywords: Unmanned aircraft system (UAS) in construction; Multi-layered performance analysis
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APA (6th Edition):
Kim, S. (2018). User-perceived effectiveness of unmanned aircraft system (UAS) integration in infrastructure construction environments. (Doctoral Dissertation). Georgia Tech. Retrieved from http://hdl.handle.net/1853/59899
Chicago Manual of Style (16th Edition):
Kim, Sungjin. “User-perceived effectiveness of unmanned aircraft system (UAS) integration in infrastructure construction environments.” 2018. Doctoral Dissertation, Georgia Tech. Accessed January 19, 2021.
http://hdl.handle.net/1853/59899.
MLA Handbook (7th Edition):
Kim, Sungjin. “User-perceived effectiveness of unmanned aircraft system (UAS) integration in infrastructure construction environments.” 2018. Web. 19 Jan 2021.
Vancouver:
Kim S. User-perceived effectiveness of unmanned aircraft system (UAS) integration in infrastructure construction environments. [Internet] [Doctoral dissertation]. Georgia Tech; 2018. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/1853/59899.
Council of Science Editors:
Kim S. User-perceived effectiveness of unmanned aircraft system (UAS) integration in infrastructure construction environments. [Doctoral Dissertation]. Georgia Tech; 2018. Available from: http://hdl.handle.net/1853/59899
University of Minnesota
27.
Dobbels, Austin.
High-Throughput Phenotyping for Soybean Iron Deficiency Chlorosis Using an Unmanned Aircraft System: Applications in Breeding, Agronomy, and Genetics.
Degree: PhD, Applied Plant Sciences, 2020, University of Minnesota
URL: http://hdl.handle.net/11299/216403
► Iron deficiency chlorosis (IDC) is an abiotic stress in soybean [Glycine max (L.) Merr.] that causes significant yield reductions. Symptoms of IDC include interveinal chlorosis…
(more)
▼ Iron deficiency chlorosis (IDC) is an abiotic stress in soybean [Glycine max (L.) Merr.] that causes significant yield reductions. Symptoms of IDC include interveinal chlorosis and stunting of the plant. While there are management practices that can overcome these drastic yield losses, the preferred approach to manage IDC is growing tolerant soybean varieties. To develop varieties tolerant to IDC, breeders may easily phenotype up to thousands of candidate soybean lines every year for severity of symptoms related to IDC, a task traditionally done with a 1–5 visual rating scale. The visual rating scale is subjective and, because it is time consuming and laborious, can typically only be accomplished once or twice during a growing season. The goal of this study was to use an unmanned aircraft system (UAS) to improve field screening for tolerance to soybean IDC. We achieved high efficiency in collecting data with autonomous UAS flights, greater than 77% accuracy in classifying plots on a 1-5 severity scale, and an average reduction in LSD values across a series of experimental trials. This method is high-throughput, objective, and more precise than traditional ground based visual assessments. The UAS-based system was further used to assess the interactions of IDC and soybean cyst nematode (SCN). A range of treatments were added to change the levels of IDC and SCN stress in a randomized complete block factorial design. Results from the three-year study showed that the treatments independently created IDC and SCN severity symptoms and associated yield differences. Nematode reproduction was significantly impacted by varietal resistance and was not impacted by IDC treatment. An interaction between IDC and SCN treatments was not found for yield, nematode reproduction, or severity symptoms suggesting these stresses act additively. Finally, UAS-based phenotyping was used to assess temporal patterns of iron deficiency chlorosis symptoms in a genome-wide association study. The UAS-based system identified overlapping QTL with the same significance as traditional visual observations indicating that UAS estimates of IDC are useful in soybean genetics research programs. In addition, novel QTL were identified for the rate of IDC recovery. Overall, the efficiency and precision of UAS-based image analysis of IDC can be useful in breeding, agronomic, and genome-wide association studies.
Subjects/Keywords: High-Throughput Phenotyping; Iron Deficiency Chlorosis; Unmanned Aircraft System
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APA (6th Edition):
Dobbels, A. (2020). High-Throughput Phenotyping for Soybean Iron Deficiency Chlorosis Using an Unmanned Aircraft System: Applications in Breeding, Agronomy, and Genetics. (Doctoral Dissertation). University of Minnesota. Retrieved from http://hdl.handle.net/11299/216403
Chicago Manual of Style (16th Edition):
Dobbels, Austin. “High-Throughput Phenotyping for Soybean Iron Deficiency Chlorosis Using an Unmanned Aircraft System: Applications in Breeding, Agronomy, and Genetics.” 2020. Doctoral Dissertation, University of Minnesota. Accessed January 19, 2021.
http://hdl.handle.net/11299/216403.
MLA Handbook (7th Edition):
Dobbels, Austin. “High-Throughput Phenotyping for Soybean Iron Deficiency Chlorosis Using an Unmanned Aircraft System: Applications in Breeding, Agronomy, and Genetics.” 2020. Web. 19 Jan 2021.
Vancouver:
Dobbels A. High-Throughput Phenotyping for Soybean Iron Deficiency Chlorosis Using an Unmanned Aircraft System: Applications in Breeding, Agronomy, and Genetics. [Internet] [Doctoral dissertation]. University of Minnesota; 2020. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/11299/216403.
Council of Science Editors:
Dobbels A. High-Throughput Phenotyping for Soybean Iron Deficiency Chlorosis Using an Unmanned Aircraft System: Applications in Breeding, Agronomy, and Genetics. [Doctoral Dissertation]. University of Minnesota; 2020. Available from: http://hdl.handle.net/11299/216403
28.
Boehmler, Jayne M.
Development of a multispectral albedometer and deployment on an unmanned aircraft for evaluating satellite retrieved surface reflectance over Nevada’s Black Rock Desert.
Degree: 2018, University of Nevada – Reno
URL: http://hdl.handle.net/11714/3430
► Accurate atmospheric aerosol characteristics derived from satellite measurements areneeded over a variety of land surfaces. Inhomogeneous and bright surface reflectanceacross California and Nevada may be…
(more)
▼ Accurate atmospheric aerosol characteristics derived from satellite measurements areneeded over a variety of land surfaces. Inhomogeneous and bright surface reflectanceacross California and Nevada may be a contributing factor in the discrepancies observedbetween ground based and satellite-retrieved atmospheric aerosol optical depth (AOD).We developed and deployed a compact and portable instrument to measure albedo toevaluate a major factor that influences the accuracy of AOD retrievals. The instrumentfunctions as a spectral albedometer using two Hamamatsu micro-spectrometers with aspectral range from 340 –780 nm for measuring incident and reflected solar radiation atthe surface. The instrument was operated on an
unmanned aircraft system (UAS) tocontrol areal averaging for comparison with satellite derived albedo from NASAModerate Resolution Imaging Spectroradiometer (MODIS) and Land Satellite 7Enhanced Thematic Mapper Plus (Landsat-7 ETM+). The instrument was deployed onOctober 5th, 2017 under clear skies over Nevada’s Black Rock Desert to investigate aregion of known high surface reflectance. It was found that satellite retrieved surfacereflectance underestimated measured surface albedo at this location, indicating the needfor more albedo measurements to validate satellite retrievals over areas of complexterrain in the Western U.S. This study demonstrates the viability of obtaininghyperspectral surface albedo measurements via UAS as an intermediary between fixedpointground measurement and space-borne observations.
Advisors/Committee Members: Arnott, William P. (advisor), Barnard, James C. (committee member), Lewis, Kristin A. (committee member), Calvin, Wendy M. (committee member).
Subjects/Keywords: albedo; drone; instrumentation; remote sensing; surface reflectance; unmanned aircraft system
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APA (6th Edition):
Boehmler, J. M. (2018). Development of a multispectral albedometer and deployment on an unmanned aircraft for evaluating satellite retrieved surface reflectance over Nevada’s Black Rock Desert. (Thesis). University of Nevada – Reno. Retrieved from http://hdl.handle.net/11714/3430
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Boehmler, Jayne M. “Development of a multispectral albedometer and deployment on an unmanned aircraft for evaluating satellite retrieved surface reflectance over Nevada’s Black Rock Desert.” 2018. Thesis, University of Nevada – Reno. Accessed January 19, 2021.
http://hdl.handle.net/11714/3430.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Boehmler, Jayne M. “Development of a multispectral albedometer and deployment on an unmanned aircraft for evaluating satellite retrieved surface reflectance over Nevada’s Black Rock Desert.” 2018. Web. 19 Jan 2021.
Vancouver:
Boehmler JM. Development of a multispectral albedometer and deployment on an unmanned aircraft for evaluating satellite retrieved surface reflectance over Nevada’s Black Rock Desert. [Internet] [Thesis]. University of Nevada – Reno; 2018. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/11714/3430.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Boehmler JM. Development of a multispectral albedometer and deployment on an unmanned aircraft for evaluating satellite retrieved surface reflectance over Nevada’s Black Rock Desert. [Thesis]. University of Nevada – Reno; 2018. Available from: http://hdl.handle.net/11714/3430
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
29.
Casabona, Joseph Nicholas.
Force-Canceling Mixer Algorithm for Vehicles with Fully-Articulated Radially Symmetric Thruster Arrays.
Degree: MS, Mechatronics Systems Engineering, 2018, U of Denver
URL: https://digitalcommons.du.edu/etd/1402
► A new type of fully-holonomic aerial vehicle is identified and developed that can optionally utilize automatic cancellation of excessive thruster forces to maintain precise…
(more)
▼ A new type of fully-holonomic aerial vehicle is identified and developed that can optionally utilize automatic cancellation of excessive thruster forces to maintain precise control despite little or no throttle authority. After defining the physical attributes of the new vehicle, a flight control mixer algorithm is defined and presented. This mixer is an input/output abstraction that grants a flight control system (or pilot) full authority of the vehicle's position and orientation by means of an input translation vector and input torque vector. The mixer is shown to be general with respect to the number of thrusters in the system provided that they are distributed in a radially symmetric array. As the mixer is designed to operate independently of the chosen flight control system, it is completely agnostic to the type of control methodology implemented. Validation of both the vehicle's holonomic capabilities and efficacy of the flight control mixing algorithm are provided by a custom MATLAB-based rigid body simulation environment.
Advisors/Committee Members: Kimon Valavanis, Ph.D., Micheal Keables, Ph.D..
Subjects/Keywords: Holonomic; Multirotor; Quadrotor; Thrust vectoring; UAS; UAV; Unmanned aerial vehicles; Unmanned aircraft systems; Robotics; Systems Engineering
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APA (6th Edition):
Casabona, J. N. (2018). Force-Canceling Mixer Algorithm for Vehicles with Fully-Articulated Radially Symmetric Thruster Arrays. (Thesis). U of Denver. Retrieved from https://digitalcommons.du.edu/etd/1402
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Casabona, Joseph Nicholas. “Force-Canceling Mixer Algorithm for Vehicles with Fully-Articulated Radially Symmetric Thruster Arrays.” 2018. Thesis, U of Denver. Accessed January 19, 2021.
https://digitalcommons.du.edu/etd/1402.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Casabona, Joseph Nicholas. “Force-Canceling Mixer Algorithm for Vehicles with Fully-Articulated Radially Symmetric Thruster Arrays.” 2018. Web. 19 Jan 2021.
Vancouver:
Casabona JN. Force-Canceling Mixer Algorithm for Vehicles with Fully-Articulated Radially Symmetric Thruster Arrays. [Internet] [Thesis]. U of Denver; 2018. [cited 2021 Jan 19].
Available from: https://digitalcommons.du.edu/etd/1402.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Casabona JN. Force-Canceling Mixer Algorithm for Vehicles with Fully-Articulated Radially Symmetric Thruster Arrays. [Thesis]. U of Denver; 2018. Available from: https://digitalcommons.du.edu/etd/1402
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Maryland
30.
Billingsley, David Daniel.
The Design Fabrication and Flight Testing of an Academic Research Platform for High Resolution Terrain Imaging.
Degree: Aerospace Engineering, 2011, University of Maryland
URL: http://hdl.handle.net/1903/11576
► This thesis addresses the design, construction, and flight testing of an Unmanned Aircraft System (UAS) created to serve as a testbed for Intelligence, Surveillance, and…
(more)
▼ This thesis addresses the design, construction, and flight testing of an
Unmanned Aircraft System (UAS) created to serve as a testbed for Intelligence, Surveillance, and Reconnaissance (ISR) research topics that require the rapid acquisition and processing of high resolution aerial imagery and are to be performed by academic research institutions. An analysis of the requirements of various ISR research applications and the practical limitations of academic research yields a consolidated set of requirements by which the UAS is designed. An iterative design process is used to transition from these requirements to cycles of component selection, systems integration, flight tests, diagnostics, and subsystem redesign. The resulting UAS is designed as an academic research platform to support a variety of ISR research applications ranging from human machine interaction with UAS technology to orthorectified mosaic imaging. The lessons learned are provided to enable future researchers to create similar systems.
Advisors/Committee Members: Hubbard, James E (advisor).
Subjects/Keywords: Aerospace Engineering; Robotics; Computer Vision; Design; Build; Fly; High Resolution Imaging; Intelligence; Surveillance; and Reconnaissance; Unmanned Aerial Vehicle; Unmanned Aircraft Systems
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APA (6th Edition):
Billingsley, D. D. (2011). The Design Fabrication and Flight Testing of an Academic Research Platform for High Resolution Terrain Imaging. (Thesis). University of Maryland. Retrieved from http://hdl.handle.net/1903/11576
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Billingsley, David Daniel. “The Design Fabrication and Flight Testing of an Academic Research Platform for High Resolution Terrain Imaging.” 2011. Thesis, University of Maryland. Accessed January 19, 2021.
http://hdl.handle.net/1903/11576.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Billingsley, David Daniel. “The Design Fabrication and Flight Testing of an Academic Research Platform for High Resolution Terrain Imaging.” 2011. Web. 19 Jan 2021.
Vancouver:
Billingsley DD. The Design Fabrication and Flight Testing of an Academic Research Platform for High Resolution Terrain Imaging. [Internet] [Thesis]. University of Maryland; 2011. [cited 2021 Jan 19].
Available from: http://hdl.handle.net/1903/11576.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Billingsley DD. The Design Fabrication and Flight Testing of an Academic Research Platform for High Resolution Terrain Imaging. [Thesis]. University of Maryland; 2011. Available from: http://hdl.handle.net/1903/11576
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
◁ [1] [2] [3] [4] [5] [6] [7] ▶
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Open Access Theses and Dissertations