subject:(Pressure control)

University of Sydney

1. Kim, Seung Jae. Brain Mechanisms Regulating Sympathetic Vasomotor Function in a Rodent Model of Sleep Apnoea: Neurotransmitters, Networks, and the Circulation .

Degree: 2019, University of Sydney

URL: http://hdl.handle.net/2123/20147

► Central motor command from the sympathetic networks of the brain and the spinal cord are crucial for maintaining normal cardiovascular function. Understanding the mechanisms that… (more)

Subjects/Keywords: sympathetic control of blood pressure

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APA (6^th Edition):

Kim, S. J. (2019). Brain Mechanisms Regulating Sympathetic Vasomotor Function in a Rodent Model of Sleep Apnoea: Neurotransmitters, Networks, and the Circulation . (Thesis). University of Sydney. Retrieved from http://hdl.handle.net/2123/20147

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Kim, Seung Jae. “Brain Mechanisms Regulating Sympathetic Vasomotor Function in a Rodent Model of Sleep Apnoea: Neurotransmitters, Networks, and the Circulation .” 2019. Thesis, University of Sydney. Accessed December 10, 2019. http://hdl.handle.net/2123/20147.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Kim, Seung Jae. “Brain Mechanisms Regulating Sympathetic Vasomotor Function in a Rodent Model of Sleep Apnoea: Neurotransmitters, Networks, and the Circulation .” 2019. Web. 10 Dec 2019.

Vancouver:

Kim SJ. Brain Mechanisms Regulating Sympathetic Vasomotor Function in a Rodent Model of Sleep Apnoea: Neurotransmitters, Networks, and the Circulation . [Internet] [Thesis]. University of Sydney; 2019. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/2123/20147.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kim SJ. Brain Mechanisms Regulating Sympathetic Vasomotor Function in a Rodent Model of Sleep Apnoea: Neurotransmitters, Networks, and the Circulation . [Thesis]. University of Sydney; 2019. Available from: http://hdl.handle.net/2123/20147

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Louisiana State University

2. Chirinos, Jose Eduardo Eduardo. A Simulation Study of Factors that Affect Pressure Control During Kick Circulation in Managed Pressure Drilling Operations.

Degree: MS, Petroleum Engineering, 2010, Louisiana State University

URL: etd-11182010-093717 ; https://digitalcommons.lsu.edu/gradschool_theses/2886

► An university-industry consortium has been studying alternative well control procedures to be used for kicks taken during managed pressure drilling (MPD) operations using the constant… (more)

Subjects/Keywords: maximum casing pressure; drilling; MPD; well control; CBHP; RCD pressure rating

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APA (6^th Edition):

Chirinos, J. E. E. (2010). A Simulation Study of Factors that Affect Pressure Control During Kick Circulation in Managed Pressure Drilling Operations. (Masters Thesis). Louisiana State University. Retrieved from etd-11182010-093717 ; https://digitalcommons.lsu.edu/gradschool_theses/2886

Chicago Manual of Style (16^th Edition):

Chirinos, Jose Eduardo Eduardo. “A Simulation Study of Factors that Affect Pressure Control During Kick Circulation in Managed Pressure Drilling Operations.” 2010. Masters Thesis, Louisiana State University. Accessed December 10, 2019. etd-11182010-093717 ; https://digitalcommons.lsu.edu/gradschool_theses/2886.

MLA Handbook (7^th Edition):

Chirinos, Jose Eduardo Eduardo. “A Simulation Study of Factors that Affect Pressure Control During Kick Circulation in Managed Pressure Drilling Operations.” 2010. Web. 10 Dec 2019.

Vancouver:

Chirinos JEE. A Simulation Study of Factors that Affect Pressure Control During Kick Circulation in Managed Pressure Drilling Operations. [Internet] [Masters thesis]. Louisiana State University; 2010. [cited 2019 Dec 10]. Available from: etd-11182010-093717 ; https://digitalcommons.lsu.edu/gradschool_theses/2886.

Council of Science Editors:

Chirinos JEE. A Simulation Study of Factors that Affect Pressure Control During Kick Circulation in Managed Pressure Drilling Operations. [Masters Thesis]. Louisiana State University; 2010. Available from: etd-11182010-093717 ; https://digitalcommons.lsu.edu/gradschool_theses/2886

Louisiana State University

3. Guner, Hakan. Simulation study of emerging well control methods for influxes caused by bottomhole pressure fluctuations during managed pressure drilling.

Degree: MSPE, Petroleum Engineering, 2009, Louisiana State University

URL: etd-11112009-193648 ; https://digitalcommons.lsu.edu/gradschool_theses/327

► Managed Pressure Drilling (MPD) is an emerging drilling technology that utilizes mud weight, surface backpressure and annular frictional pressure loss (AFP) to precisely control the… (more)

▼ Managed Pressure Drilling (MPD) is an emerging drilling technology that utilizes mud weight, surface backpressure and annular frictional pressure loss (AFP) to precisely control the wellbore pressure. The goal of this project is to identify the most appropriate initial response and kick circulation method for the kicks that result from complications specific to MPD. These complications that can cause a reduction in bottomhole pressure were classified as surface equipment failures and unintended equivalent circulating density (ECD) reductions. Rotating control device (RCD) and pump failures are the examples of surface equipment failures. Pump efficiency loss and BHA position change represent the unintended ECD reductions. Shut-in (SI), MPD pump shut down, increasing surface backpressure, increasing pump rate, starting a new pump with surface backpressure and increasing pump rate with surface backpressure responses were simulated on a transient drilling simulator for kicks taken due to the pump efficiency loss, and the simulation results were evaluated. Shut-in and starting a new pump with a surface backpressure were simulated for a pump failure, which led to a loss of total AFP, and the simulation results were evaluated. A shut-in response was simulated for surface pressure loss (RCD failure), and its results were evaluated. Shut-in, MPD pump shut down, increasing surface backpressure pressure, increasing pump rate and increasing pump rate with surface backpressure responses were simulated, and the simulation results were evaluated for the kick taken due to BHA position change. Kick circulation was also simulated after the influx was stopped by the initial responses. The kicks were circulated using driller’s method at normal, half, and increased circulating rates depending on the initial response. The results of circulating simulations were also evaluated. SI was concluded to be applicable for all kicks caused by bottomhole pressure fluctuations. However, increasing casing pressure is the most effective response if it is practical given the surface equipment and its condition. Normal rate circulation following these responses is generally better than using an increased or slow pump rate for these kinds of kicks. It reduces the surface backpressure and non productive time (NPT) required versus slower pump rates.

Subjects/Keywords: managed pressure drilling; well control; influx; kick

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APA (6^th Edition):

Guner, H. (2009). Simulation study of emerging well control methods for influxes caused by bottomhole pressure fluctuations during managed pressure drilling. (Masters Thesis). Louisiana State University. Retrieved from etd-11112009-193648 ; https://digitalcommons.lsu.edu/gradschool_theses/327

Chicago Manual of Style (16^th Edition):

Guner, Hakan. “Simulation study of emerging well control methods for influxes caused by bottomhole pressure fluctuations during managed pressure drilling.” 2009. Masters Thesis, Louisiana State University. Accessed December 10, 2019. etd-11112009-193648 ; https://digitalcommons.lsu.edu/gradschool_theses/327.

MLA Handbook (7^th Edition):

Guner, Hakan. “Simulation study of emerging well control methods for influxes caused by bottomhole pressure fluctuations during managed pressure drilling.” 2009. Web. 10 Dec 2019.

Vancouver:

Guner H. Simulation study of emerging well control methods for influxes caused by bottomhole pressure fluctuations during managed pressure drilling. [Internet] [Masters thesis]. Louisiana State University; 2009. [cited 2019 Dec 10]. Available from: etd-11112009-193648 ; https://digitalcommons.lsu.edu/gradschool_theses/327.

Council of Science Editors:

Guner H. Simulation study of emerging well control methods for influxes caused by bottomhole pressure fluctuations during managed pressure drilling. [Masters Thesis]. Louisiana State University; 2009. Available from: etd-11112009-193648 ; https://digitalcommons.lsu.edu/gradschool_theses/327

Virginia Tech

4. Dillon, Brandon James. The `Electric' Pascal: Absolute and Dynamic Calibration Techniques.

Degree: MS, Mechanical Engineering, 2013, Virginia Tech

URL: http://hdl.handle.net/10919/23929

► This article describes a pressure generation technique that has been applied to the task of calibrating hydraulic pressure transducers. The technique combines principles given by… (more)

Subjects/Keywords: Dynamic Pressure Calibration; Metrology; Automatic Control

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APA (6^th Edition):

Dillon, B. J. (2013). The `Electric' Pascal: Absolute and Dynamic Calibration Techniques. (Masters Thesis). Virginia Tech. Retrieved from http://hdl.handle.net/10919/23929

Chicago Manual of Style (16^th Edition):

Dillon, Brandon James. “The `Electric' Pascal: Absolute and Dynamic Calibration Techniques.” 2013. Masters Thesis, Virginia Tech. Accessed December 10, 2019. http://hdl.handle.net/10919/23929.

MLA Handbook (7^th Edition):

Dillon, Brandon James. “The `Electric' Pascal: Absolute and Dynamic Calibration Techniques.” 2013. Web. 10 Dec 2019.

Vancouver:

Dillon BJ. The `Electric' Pascal: Absolute and Dynamic Calibration Techniques. [Internet] [Masters thesis]. Virginia Tech; 2013. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/10919/23929.

Council of Science Editors:

Dillon BJ. The `Electric' Pascal: Absolute and Dynamic Calibration Techniques. [Masters Thesis]. Virginia Tech; 2013. Available from: http://hdl.handle.net/10919/23929

Queens University

5. Gee, Marianne. Blood pressure control among Canadians with hypertension, with and without diabetes .

Degree: Community Health and Epidemiology, 2013, Queens University

URL: http://hdl.handle.net/1974/8462

► The thesis offers the following contributions to the epidemiology of hypertension in Canada: 1.The first manuscript uses cross-sectional data from the 2007-2009 Canadian Health Measures… (more)

▼ The thesis offers the following contributions to the epidemiology of hypertension in Canada: 1.The first manuscript uses cross-sectional data from the 2007-2009 Canadian Health Measures Survey (CHMS) to compare the prevalence of controlled hypertension between people with and without diabetes. Of the 74% of Canadians with diabetes who had hypertension, 56% (95% CI: 45%-66%) had controlled blood pressure compared to 64% (95% CI: 58%-69%) of Canadians without diabetes. Among people taking medication, individuals with diabetes were less likely to have controlled hypertension (ORadjusted: 0.3; 95% CI: 0.2-0.6). 2.The objective of the second manuscript was to determine, among Canadians with hypertension, whether individuals with diabetes were less likely than those without to recall health professional advice for healthy behaviours and whether receipt of such advice influences behaviour, using cross-sectional data from the 2009 Survey on Living with Chronic Diseases in Canada (SLCDC). Canadians with diabetes were more likely than those without to recall advice to control/lose weight (81% vs. 66%), exercise (79% vs. 68%), limit alcohol (78% vs. 55%) and modify diet (70% vs. 61%) but not limit salt (65% vs. 64%). Both groups were equally likely to report following advice, with receipt of advice positively associated with engagement in healthy behaviours. 3. The third manuscript describes knowledge of blood pressure targets in Canadians with hypertension using cross-sectional data from the 2009 SLCDC. Knowledge of blood pressure targets was low, with 28% and 32% of Canadians with and without diabetes reporting having discussed a blood pressure target and reporting a target in line with clinical practice guidelines. 4.The fourth manuscript validates an existing self-reported blood pressure control question in a sample of 161 patients with hypertension in Kingston. In people with and without diabetes, the question had sensitivities of 83% ± 11% and 78% ± 10% and specificities of 30% ±19% and 58% ± 21%, respectively. 5.The final manuscript tests a method designed to account for misclassification in epidemiologic studies, using data from the CHMS. The method was found to perform inconsistently in multivariate contexts and introduced bias when minor differential misclassification was ignored.

Subjects/Keywords: Blood pressure control; Diabetes; Hypertension; Epidemiology

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APA (6^th Edition):

Gee, M. (2013). Blood pressure control among Canadians with hypertension, with and without diabetes . (Thesis). Queens University. Retrieved from http://hdl.handle.net/1974/8462

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Gee, Marianne. “Blood pressure control among Canadians with hypertension, with and without diabetes .” 2013. Thesis, Queens University. Accessed December 10, 2019. http://hdl.handle.net/1974/8462.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Gee, Marianne. “Blood pressure control among Canadians with hypertension, with and without diabetes .” 2013. Web. 10 Dec 2019.

Vancouver:

Gee M. Blood pressure control among Canadians with hypertension, with and without diabetes . [Internet] [Thesis]. Queens University; 2013. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/1974/8462.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Gee M. Blood pressure control among Canadians with hypertension, with and without diabetes . [Thesis]. Queens University; 2013. Available from: http://hdl.handle.net/1974/8462

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Georgia Tech

6. Toth, Michael J. High Precision Control of Integrated Microfluidics for Nanomanufacturing and Fluidic Sampling.

Degree: PhD, Mechanical Engineering, 2018, Georgia Tech

URL: http://hdl.handle.net/1853/61145

► Combining the engineering principles of system dynamics and control theory with biological applications of nanoparticle synthesis and organ-on-a-chip, this work aims to advance these areas… (more)

▼ Combining the engineering principles of system dynamics and control theory with biological applications of nanoparticle synthesis and organ-on-a-chip, this work aims to advance these areas of research by developing precision control systems for high-throughput synthesis and high-precision sampling, respectively. A high-precision feedback pressure control system is developed to regulate the inlet pressure of microfluidic device, controlling the flow rate, for high precision nanoparticle synthesis. Mathematical derivation and experimental validation of the pressure system are discussed, with performance achieving less than 0.5% steady-state error for long term experimental duration (3 hours) and 0.3 second settling time. The pressure control system is integrated with the development of a parallelized microvortex array, designed to increase the multiplicity of microfluidic reactors in parallel for high-throughput nanoparticle manufacturing. Critical parameters (i.e., Reynolds number and precursor composition) to maintaining nanoparticle quality are assessed and factored into the development of fluidic circuit analog and computational fluid dynamic models. A robust 3-part device is fabricated for experimental validation of the design methodology. Lastly, the development of a tunable low-cost ($250) high-precision sampling device with settling times less than 0.3 seconds, overshoot less than 2%, and zero steady-state error. Mathematical derivation of the controller and microvolumetric sampler constraints are discussed. The performance is experimentally validated through various input flow profiles. The entirety of this work can potentially advance not only the clinical translation of nanoparticles and biological sampling, but can additionally create high-precision experimentation in a variety of fields such as chemistry, life sciences, energy conversion, and defense. Advisors/Committee Members: Kim, YongTae (advisor), Bao, Gang (committee member), Ueda, Jun (committee member), Kurfess, Thomas (committee member), Hesketh, Peter J (committee member).

Subjects/Keywords: control theory; microfluidics; parallelization; pressure control; precision sampling

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APA (6^th Edition):

Toth, M. J. (2018). High Precision Control of Integrated Microfluidics for Nanomanufacturing and Fluidic Sampling. (Doctoral Dissertation). Georgia Tech. Retrieved from http://hdl.handle.net/1853/61145

Chicago Manual of Style (16^th Edition):

Toth, Michael J. “High Precision Control of Integrated Microfluidics for Nanomanufacturing and Fluidic Sampling.” 2018. Doctoral Dissertation, Georgia Tech. Accessed December 10, 2019. http://hdl.handle.net/1853/61145.

MLA Handbook (7^th Edition):

Toth, Michael J. “High Precision Control of Integrated Microfluidics for Nanomanufacturing and Fluidic Sampling.” 2018. Web. 10 Dec 2019.

Vancouver:

Toth MJ. High Precision Control of Integrated Microfluidics for Nanomanufacturing and Fluidic Sampling. [Internet] [Doctoral dissertation]. Georgia Tech; 2018. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/1853/61145.

Council of Science Editors:

Toth MJ. High Precision Control of Integrated Microfluidics for Nanomanufacturing and Fluidic Sampling. [Doctoral Dissertation]. Georgia Tech; 2018. Available from: http://hdl.handle.net/1853/61145

University of Minnesota

7. Alamoodi, Nahla. Nonlinear control of conventional steam power plant.

Degree: PhD, Chemical Engineering, 2016, University of Minnesota

URL: http://hdl.handle.net/11299/181712

► Conventional fossil fueled power plants are the leading power producers despite the existence of other energy sources and power generation technologies. As renewable power production… (more)

▼ Conventional fossil fueled power plants are the leading power producers despite the existence of other energy sources and power generation technologies. As renewable power production is integrated into the grid, the operation of the conventional power plants faces new challenges that demand new control strategies. A key challenge is that the power demanded from conventional plants will continuously change to recover the production shortages caused by the intermittency of the renewable sources. This challenge demands an efficient control structure that is able to accommodate such power fluctuations, in addition to the inherent complexities of power plants such as the existence of deadtime associated with solid fuels. Coal, for example, is pulverized in real time prior to being transported to the furnace, which in turn, introduces deadtime to the power generation process. This thesis proposes the use of deadtime compensated nonlinear controllers that are based on feedback linearization of models obtained from physical principles for the control of coal fired power plants. The designed control strategies aim to control power generation, boiler pressure, boiler drum level, and superheated and reheated steam temperatures. In the first part of this thesis, the control of the boiler pressure and power generation is considered. A single deadtime compensated model state feedback structure is developed to track variations in power demand and to reject applied disturbances. The second part focuses on the development of a control strategy for the drum level dynamics in addition to the boiler pressure and power generation. The strategy proposed aims to decouple the manipulated variables of the boiler pressure and the drum level dynamics and applies a conventional three-element level controller with the deadtime nonlinear controller proposed in the first part. In the last part of the thesis, the control of the boiler pressure, power generation, superheated steam temperatures is considered. The control strategy considers decoupling the performance of the boiler from the superheated steam temperature, the decomposition of the overall plant into three cascading subsystems and the application of deadtime compensated nonlinear controller for each subsystem.

Subjects/Keywords: deadtime compensation; Feedback linearization; nonlinear control; Power plants; pressure and power control; steam temperture control

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APA (6^th Edition):

Alamoodi, N. (2016). Nonlinear control of conventional steam power plant. (Doctoral Dissertation). University of Minnesota. Retrieved from http://hdl.handle.net/11299/181712

Chicago Manual of Style (16^th Edition):

Alamoodi, Nahla. “Nonlinear control of conventional steam power plant.” 2016. Doctoral Dissertation, University of Minnesota. Accessed December 10, 2019. http://hdl.handle.net/11299/181712.

MLA Handbook (7^th Edition):

Alamoodi, Nahla. “Nonlinear control of conventional steam power plant.” 2016. Web. 10 Dec 2019.

Vancouver:

Alamoodi N. Nonlinear control of conventional steam power plant. [Internet] [Doctoral dissertation]. University of Minnesota; 2016. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/11299/181712.

Council of Science Editors:

Alamoodi N. Nonlinear control of conventional steam power plant. [Doctoral Dissertation]. University of Minnesota; 2016. Available from: http://hdl.handle.net/11299/181712

8. Averina, Viktoria. A mathematical model of neurally-mediated Angiotensin II-salt hypertension.

Degree: PhD, Mathematics, 2015, University of Minnesota

URL: http://hdl.handle.net/11299/170895

► This thesis presents a mathematical model of long-term blood pressure control that explains how latent activation of the sympathetic nervous system in the AngII-salt model… (more)

Subjects/Keywords: Blood pressure control; Hypertension; Mathematical model; Pressure-natriuresis; Renal function; Sympathetic nervous system; Mathematics

10 more images…

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APA (6^th Edition):

Averina, V. (2015). A mathematical model of neurally-mediated Angiotensin II-salt hypertension. (Doctoral Dissertation). University of Minnesota. Retrieved from http://hdl.handle.net/11299/170895

Chicago Manual of Style (16^th Edition):

Averina, Viktoria. “A mathematical model of neurally-mediated Angiotensin II-salt hypertension.” 2015. Doctoral Dissertation, University of Minnesota. Accessed December 10, 2019. http://hdl.handle.net/11299/170895.

MLA Handbook (7^th Edition):

Averina, Viktoria. “A mathematical model of neurally-mediated Angiotensin II-salt hypertension.” 2015. Web. 10 Dec 2019.

Vancouver:

Averina V. A mathematical model of neurally-mediated Angiotensin II-salt hypertension. [Internet] [Doctoral dissertation]. University of Minnesota; 2015. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/11299/170895.

Council of Science Editors:

Averina V. A mathematical model of neurally-mediated Angiotensin II-salt hypertension. [Doctoral Dissertation]. University of Minnesota; 2015. Available from: http://hdl.handle.net/11299/170895

University of Florida

9. Harvin, David K. Unit Operations Laboratory Automated Process Controls Design Project.

Degree: 2017, University of Florida

URL: http://ufdc.ufl.edu/AA00057928

► With a constantly growing focus on personal safety, environmental regulation, and process efficiency within industrial manufacturing, automated control has become a staple point in process… (more)

Subjects/Keywords: Control valves; Diameters; Differential pressure; Experiment design; Flow velocity; Pressure sensors; Process control; Pumps; Sensors; Transmitters

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APA (6^th Edition):

Harvin, D. K. (2017). Unit Operations Laboratory Automated Process Controls Design Project. (Thesis). University of Florida. Retrieved from http://ufdc.ufl.edu/AA00057928

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Harvin, David K. “Unit Operations Laboratory Automated Process Controls Design Project.” 2017. Thesis, University of Florida. Accessed December 10, 2019. http://ufdc.ufl.edu/AA00057928.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Harvin, David K. “Unit Operations Laboratory Automated Process Controls Design Project.” 2017. Web. 10 Dec 2019.

Vancouver:

Harvin DK. Unit Operations Laboratory Automated Process Controls Design Project. [Internet] [Thesis]. University of Florida; 2017. [cited 2019 Dec 10]. Available from: http://ufdc.ufl.edu/AA00057928.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Harvin DK. Unit Operations Laboratory Automated Process Controls Design Project. [Thesis]. University of Florida; 2017. Available from: http://ufdc.ufl.edu/AA00057928

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Loughborough University

10. Yang, Zhijia. Optimal air and fuel-path control of a diesel engine.

Degree: PhD, 2014, Loughborough University

URL: https://dspace.lboro.ac.uk/2134/16318 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.697649

► The work reported in this thesis explores innovative control structures and controller design for a heavy duty Caterpillar C6.6 diesel engine. The aim of the… (more)

Subjects/Keywords: 621.48; Diesel engine; Air-path control; Fuel-path control; Emission control; Combustion control; Cylinder pressure; Emission model

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APA (6^th Edition):

Yang, Z. (2014). Optimal air and fuel-path control of a diesel engine. (Doctoral Dissertation). Loughborough University. Retrieved from https://dspace.lboro.ac.uk/2134/16318 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.697649

Chicago Manual of Style (16^th Edition):

Yang, Zhijia. “Optimal air and fuel-path control of a diesel engine.” 2014. Doctoral Dissertation, Loughborough University. Accessed December 10, 2019. https://dspace.lboro.ac.uk/2134/16318 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.697649.

MLA Handbook (7^th Edition):

Yang, Zhijia. “Optimal air and fuel-path control of a diesel engine.” 2014. Web. 10 Dec 2019.

Vancouver:

Yang Z. Optimal air and fuel-path control of a diesel engine. [Internet] [Doctoral dissertation]. Loughborough University; 2014. [cited 2019 Dec 10]. Available from: https://dspace.lboro.ac.uk/2134/16318 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.697649.

Council of Science Editors:

Yang Z. Optimal air and fuel-path control of a diesel engine. [Doctoral Dissertation]. Loughborough University; 2014. Available from: https://dspace.lboro.ac.uk/2134/16318 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.697649

Loughborough University

11. Yang, Zhijia. Optimal air and fuel-path control of a diesel engine.

Degree: PhD, 2014, Loughborough University

URL: http://hdl.handle.net/2134/16318

► The work reported in this thesis explores innovative control structures and controller design for a heavy duty Caterpillar C6.6 diesel engine. The aim of the… (more)

Subjects/Keywords: 621.48; Diesel engine; Air-path control; Fuel-path control; Emission control; Combustion control; Cylinder pressure; Emission model

Record Details Similar Records Cite « Share

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Yang, Z. (2014). Optimal air and fuel-path control of a diesel engine. (Doctoral Dissertation). Loughborough University. Retrieved from http://hdl.handle.net/2134/16318

Chicago Manual of Style (16^th Edition):

Yang, Zhijia. “Optimal air and fuel-path control of a diesel engine.” 2014. Doctoral Dissertation, Loughborough University. Accessed December 10, 2019. http://hdl.handle.net/2134/16318.

MLA Handbook (7^th Edition):

Yang, Zhijia. “Optimal air and fuel-path control of a diesel engine.” 2014. Web. 10 Dec 2019.

Vancouver:

Yang Z. Optimal air and fuel-path control of a diesel engine. [Internet] [Doctoral dissertation]. Loughborough University; 2014. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/2134/16318.

Council of Science Editors:

Yang Z. Optimal air and fuel-path control of a diesel engine. [Doctoral Dissertation]. Loughborough University; 2014. Available from: http://hdl.handle.net/2134/16318

North-West University

12. Taljaard, Francois George. Analytical control valve selection for mine water reticulation systems / F.G. Taljaard.

Degree: 2012, North-West University

URL: http://hdl.handle.net/10394/9703

► Some of the largest and deepest mines in the world are situated in South Africa. Underground temperatures and humidity can be controlled by means of… (more)

Subjects/Keywords: Water reticulation systems; control valves; water pressure control; water netwerk stelsels; beheer kleppe; water beheer

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APA (6^th Edition):

Taljaard, F. G. (2012). Analytical control valve selection for mine water reticulation systems / F.G. Taljaard. (Thesis). North-West University. Retrieved from http://hdl.handle.net/10394/9703

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Taljaard, Francois George. “Analytical control valve selection for mine water reticulation systems / F.G. Taljaard. ” 2012. Thesis, North-West University. Accessed December 10, 2019. http://hdl.handle.net/10394/9703.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Taljaard, Francois George. “Analytical control valve selection for mine water reticulation systems / F.G. Taljaard. ” 2012. Web. 10 Dec 2019.

Vancouver:

Taljaard FG. Analytical control valve selection for mine water reticulation systems / F.G. Taljaard. [Internet] [Thesis]. North-West University; 2012. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/10394/9703.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Taljaard FG. Analytical control valve selection for mine water reticulation systems / F.G. Taljaard. [Thesis]. North-West University; 2012. Available from: http://hdl.handle.net/10394/9703

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Cincinnati

13. POONDRU, SHIRDISH. Large-Eddy Simulation and Active Flow Control of Low-Reynolds Number Flow through a Low-Pressure Turbine Cascade.

Degree: PhD, Engineering : Mechanical Engineering, 2008, University of Cincinnati

URL: http://rave.ohiolink.edu/etdc/view?acc_num=ucin1204873699

► The operating Reynolds numbers (Re) for a low-pressure turbine (LPT) in an aircraft engine can drop below 25,000 during high-altitude cruise conditions, resulting in… (more)

▼ The operating Reynolds numbers (Re) for a low-pressure turbine (LPT) in an aircraft engine can drop below 25,000 during high-altitude cruise conditions, resulting in massive separation and subsequent transition on the blade suction surface. This separation causes a significant loss in the engine efficiency. Hence, accurate prediction of the flow physics at these low-Re conditions is required to effectively implement flow control techniques which can help mitigate separation-induced losses. The present work investigated this low-Re transitional flow through a LPT cascade comprised of the generic Pratt & Whitney “PAKB” blades, using high-order accurate compact numerical schemes in conjunction with large-eddy simulation (LES), with and without subgrid-scale (SGS) models. The study examined the predictive capability of the explicit Smagorinsky and dynamic Smagorinsky SGS models, as compared to the Implicit LES (ILES) technique (LES without an explicit SGS model). The research also implemented active flow control on the LPT blades using momentum injection via surface blowing. All simulations utilized a dual-topology, multi-block, structured grid, and computations were performed on a massively parallel computing platform using MPI-based communications. The baseline cases (without control) were simulated at Re ~ 10,000, 25,000 and 50,000. The computed numerical results for all three cases showed good agreement with available experimental data. The Smagorinsky and dynamic Smagorinsky SGS model results provided no significant improvement over the ILES results because of the low level of energy in the subgrid-scales for the present low-Re flow conditions investigated, and hence, the ILES technique was used for all subsequent flow-control simulations. Separation control of the LPT flow was implemented using synthetic normal jets, synthetic vortex-generator jets, and pulsed vortex-generator jets (VGJs) at Re ~ 10,000, for four blowing ratios ranging from 0.5 to 4.7, where the blowing ratio is defined as the ratio of the jet-exit velocity magnitude to the local free-stream velocity. All the jets were implemented by specifying an analytical boundary condition at the jet exit surface. The effectiveness of the jets was assessed in terms of the integrated wake loss coefficient values, and the modified Zweifel coefficient values. The Zweifel coefficient represents the component of the integrated blade Cp distribution contributing to the direction of rotation. Among the three types of control jets implemented, the synthetic normal jets were found to be more effective than the synthetic or pulsed VGJs. For pulsed VGJs, the effective blowing ratio was found to be 2.0 in the present study, compared to the value of 0.4 documented in the literature for control at a Re = 25,000, indicating a strong dependence of the effective blowing ratio on Re. The study also examined the flow control mechanisms of the synthetic normal jets and vortex-generator jets. It was found that the mechanism for effectiveness of synthetic jets was a… Advisors/Committee Members: Ghia, Urmila (Advisor).

Subjects/Keywords: Engineering, Mechanical; Large-eddy simulation; Low-pressure turbines; Active flow control

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APA (6^th Edition):

POONDRU, S. (2008). Large-Eddy Simulation and Active Flow Control of Low-Reynolds Number Flow through a Low-Pressure Turbine Cascade. (Doctoral Dissertation). University of Cincinnati. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=ucin1204873699

Chicago Manual of Style (16^th Edition):

POONDRU, SHIRDISH. “Large-Eddy Simulation and Active Flow Control of Low-Reynolds Number Flow through a Low-Pressure Turbine Cascade.” 2008. Doctoral Dissertation, University of Cincinnati. Accessed December 10, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1204873699.

MLA Handbook (7^th Edition):

POONDRU, SHIRDISH. “Large-Eddy Simulation and Active Flow Control of Low-Reynolds Number Flow through a Low-Pressure Turbine Cascade.” 2008. Web. 10 Dec 2019.

Vancouver:

POONDRU S. Large-Eddy Simulation and Active Flow Control of Low-Reynolds Number Flow through a Low-Pressure Turbine Cascade. [Internet] [Doctoral dissertation]. University of Cincinnati; 2008. [cited 2019 Dec 10]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ucin1204873699.

Council of Science Editors:

POONDRU S. Large-Eddy Simulation and Active Flow Control of Low-Reynolds Number Flow through a Low-Pressure Turbine Cascade. [Doctoral Dissertation]. University of Cincinnati; 2008. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=ucin1204873699

University of Akron

14. Druesedow, Charles Joseph. Pressure Control System for the Electrospinning Process: Non-invasive Fluid Level Detection Using Infrared and Ultrasonic Sensors.

Degree: MS, Mechanical Engineering, 2008, University of Akron

URL: http://rave.ohiolink.edu/etdc/view?acc_num=akron1217275502

► Electrospinning is a method for producing micro and nano sized synthetic fibers through the use of electrostatic forces. This phenomenon has been known since early… (more)

▼ Electrospinning is a method for producing micro and nano sized synthetic fibers through the use of electrostatic forces. This phenomenon has been known since early in the 20th century, but has had an increase in interest since the 1990's due to their potential applications in textiles, electronics, and the biomedical field. To make electrospinning a commercially viable fiber production method requires the high volume production of continuous, uniform diameter fibers that are free of defects. To achieve greater control over the process variables that affect the fiber formation, a scaleable closed loop control system that can maintain a constant pressure at the capillary tip was designed. Two sensing technologies, infrared and ultrasonic, were used and compared for their ability to detect the height of the polymer solution in the electrospinning fluid container. The air pressure above the solution was measured with a pressure transducer and adjusted through a controllable syringe pump that was controlled through a custom LABVIEW program. A simulation of the jet formation was also performed by programming the derived equation of motion of the electrospun jet in MATLAB. The closed loop electrospinning system was successful at controlling and maintaining a constant pressure at the capillary tip to within 2% of the specified pressure over a 24-hour period. The control system was also able to create a defect free fiber mat when the pressure and voltage at the capillary tip were carefully selected. The adjustments of the pressure at the capillary tip did not show a strong correlation to controlling the fiber diameter or uniformity. Though a closed loop electrospinning control system was designed and implemented, the use of pressure control at the capillary tip to create a closed loop control system for the electrospinning process may not be the optimal solution for controlling the diameter of the produced fibers.The simulation of the jet using MATLAB's differential equation solver, ode45, was successful but limited in accuracy by the number of beads that could be used in the simulation. Advisors/Committee Members: Cakmak, Miko (Advisor), Batur, Celel (Advisor).

Subjects/Keywords: Mechanical Engineering; Polymers; Electrospinning; Control System; Pressure; Infrared; Ultrasonic

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APA (6^th Edition):

Druesedow, C. J. (2008). Pressure Control System for the Electrospinning Process: Non-invasive Fluid Level Detection Using Infrared and Ultrasonic Sensors. (Masters Thesis). University of Akron. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=akron1217275502

Chicago Manual of Style (16^th Edition):

Druesedow, Charles Joseph. “Pressure Control System for the Electrospinning Process: Non-invasive Fluid Level Detection Using Infrared and Ultrasonic Sensors.” 2008. Masters Thesis, University of Akron. Accessed December 10, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1217275502.

MLA Handbook (7^th Edition):

Druesedow, Charles Joseph. “Pressure Control System for the Electrospinning Process: Non-invasive Fluid Level Detection Using Infrared and Ultrasonic Sensors.” 2008. Web. 10 Dec 2019.

Vancouver:

Druesedow CJ. Pressure Control System for the Electrospinning Process: Non-invasive Fluid Level Detection Using Infrared and Ultrasonic Sensors. [Internet] [Masters thesis]. University of Akron; 2008. [cited 2019 Dec 10]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=akron1217275502.

Council of Science Editors:

Druesedow CJ. Pressure Control System for the Electrospinning Process: Non-invasive Fluid Level Detection Using Infrared and Ultrasonic Sensors. [Masters Thesis]. University of Akron; 2008. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=akron1217275502

15. McLoone, Violeta I. Modelling of Long and Short Term Blood Pressure Control Systems.

Degree: 2014, RIAN

URL: http://eprints.maynoothuniversity.ie/5611/

► Blood pressure levels are tightly controlled in the body by a variety of interconnected mechanisms at the short-, medium- and long-term scale. In pathophysiological conditions,… (more)

▼ Blood pressure levels are tightly controlled in the body by a variety of interconnected mechanisms at the short-, medium- and long-term scale. In pathophysiological conditions, blood pressure may be chronically elevated above normal levels, which can lead to the development of cardiovascular disease and increased mortality. Building a complete picture of the mechanisms involved in blood pressure control is vital for the development of a better understanding of the processes that may lead to hypertension. Mathematical models of physiological systems can greatly aid in our understanding of the systems under study, and can also be used in teaching and research tools. This thesis develops a range of mathematical models of various blood pressure control systems and present a diverse set of generic modelling tools, which can be applied to other aspects of human physiology also. A set of nonlinear grey-box models of varying complexities are developed in this thesis to model the process of salt-induced hypertension in Dahl rats. The models successfully replicate the multiphasal response of blood pressure to high salt intake and provide information on the magnitudes and time scales of the various response components. The renal vasculature response to sympathetic nerve activity is also modelled by a nonlinear grey-box model. The model represents the renal blood ow response to electrical renal nerve stimulation, under the condition of renal denervation, which can aid in the development of an overall model of the neural control of blood pressure. In contrast, a linear black-box modelling approach is taken in this thesis to represent the arterial barore ex, since barore ex impairment has been associated with a number of conditions such as hypertension, myocardial infarction and heart failure. A measure of the gain of the barore ex, the barore ex sensitivity index, can be a useful diagnostic and prognostic tool in cardiology. This thesis develops a rigorous system identifcation approach to barore ex sensitivity estimation, based on a linear black-box model of the barore ex. Finally, this thesis presents a novel visual, hierarchical, implementation of Arthur Guyton's famous integrative physiology model (Guyton et al., 1972b), in a modelling and simulation environment, which could potentially facilitate its use and further development.

Subjects/Keywords: Electronic Engineering; Long and Short Term; Blood Pressure; Control Systems

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APA (6^th Edition):

McLoone, V. I. (2014). Modelling of Long and Short Term Blood Pressure Control Systems. (Thesis). RIAN. Retrieved from http://eprints.maynoothuniversity.ie/5611/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

McLoone, Violeta I. “Modelling of Long and Short Term Blood Pressure Control Systems.” 2014. Thesis, RIAN. Accessed December 10, 2019. http://eprints.maynoothuniversity.ie/5611/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

McLoone, Violeta I. “Modelling of Long and Short Term Blood Pressure Control Systems.” 2014. Web. 10 Dec 2019.

Vancouver:

McLoone VI. Modelling of Long and Short Term Blood Pressure Control Systems. [Internet] [Thesis]. RIAN; 2014. [cited 2019 Dec 10]. Available from: http://eprints.maynoothuniversity.ie/5611/.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

McLoone VI. Modelling of Long and Short Term Blood Pressure Control Systems. [Thesis]. RIAN; 2014. Available from: http://eprints.maynoothuniversity.ie/5611/

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Cleveland State University

16. Li, Xiaoxu. A Simulation and Experimental Study of Active Disturbance Rejection for Industrial Pressure Control.

Degree: MSin Electrical Engineering, Washkewicz College of Engineering, 2016, Cleveland State University

URL: http://rave.ohiolink.edu/etdc/view?acc_num=csu1481668405321353

► The quality of control loop is very important in hydraulic machineries, where pressure must be accurately regulated in the presence of various disturbances. Proportional-Integral-Derivative (PID)… (more)

Subjects/Keywords: Electrical Engineering; Mechanical Engineering; ADRC, Pressure Control, Disturbance Rejection

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APA (6^th Edition):

Li, X. (2016). A Simulation and Experimental Study of Active Disturbance Rejection for Industrial Pressure Control. (Masters Thesis). Cleveland State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=csu1481668405321353

Chicago Manual of Style (16^th Edition):

Li, Xiaoxu. “A Simulation and Experimental Study of Active Disturbance Rejection for Industrial Pressure Control.” 2016. Masters Thesis, Cleveland State University. Accessed December 10, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=csu1481668405321353.

MLA Handbook (7^th Edition):

Li, Xiaoxu. “A Simulation and Experimental Study of Active Disturbance Rejection for Industrial Pressure Control.” 2016. Web. 10 Dec 2019.

Vancouver:

Li X. A Simulation and Experimental Study of Active Disturbance Rejection for Industrial Pressure Control. [Internet] [Masters thesis]. Cleveland State University; 2016. [cited 2019 Dec 10]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=csu1481668405321353.

Council of Science Editors:

Li X. A Simulation and Experimental Study of Active Disturbance Rejection for Industrial Pressure Control. [Masters Thesis]. Cleveland State University; 2016. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=csu1481668405321353

University of Saskatchewan

17. Dezfulian, Shahram. A hydraulic flexible joint robot simulator.

Degree: 2007, University of Saskatchewan

URL: http://hdl.handle.net/10388/etd-06282007-130256

► The objective of this project was to design and implement an experimental hydraulic system that simulates joint flexibility of a single rigid link flexible joint… (more)

▼ The objective of this project was to design and implement an experimental hydraulic system that simulates joint flexibility of a single rigid link flexible joint robot manipulator, with the ability of changing the joint flexibility’s parameters. Such a system could facilitate future control studies of robot manipulators by reducing investigation time and implementation cost of research. It could also be used to test the performance of different strategies to control the movement of flexible joint manipulators.A hydraulic rotary servo motor was used to simulate the action of a flexible joint robot manipulator. It was a challenging task, since the control of angular acceleration was required. A single-rigid-link, elastic-joint robot manipulator was mathematically modeled and implemented using Matlab. Joint flexibility parameters such as stiffness and damping, could be easily changed. This simulation was considered as a “function generator” to drive the hydraulic flexible joint robot. In this study the desired angular acceleration of the manipulator was used as the input to the hydraulic rotary motor and the objective was to make the hydraulic system follow the desired acceleration in the frequency range specified. The hydraulic system consisted of a servovalve and rotary motor. A hydraulic actuator robot was built and tested. The results indicated that if the input signal had a frequency in the range of 5 to 15 Hz and damping ratio of 0.1, the experimental setup was able to reproduce the input signal with acceptable accuracy. Because of the inherent noise associated with the measurement of acceleration and some severe non-linearities in the rotary motor, control of the experimental test system using classical methods was not as successful as had been anticipated. This was a first stage in a series of studies and the results provide insight for the future application of more sophisticated control schemes. Advisors/Committee Members: Fotouhi, Reza, Burton, Richard T., Gokaraju, Ramakrishna, Dolovich, Allan T., Schoenau, Greg J..

Subjects/Keywords: pressure control servovalve; frequency response

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APA (6^th Edition):

Dezfulian, S. (2007). A hydraulic flexible joint robot simulator. (Thesis). University of Saskatchewan. Retrieved from http://hdl.handle.net/10388/etd-06282007-130256

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Dezfulian, Shahram. “A hydraulic flexible joint robot simulator.” 2007. Thesis, University of Saskatchewan. Accessed December 10, 2019. http://hdl.handle.net/10388/etd-06282007-130256.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Dezfulian, Shahram. “A hydraulic flexible joint robot simulator.” 2007. Web. 10 Dec 2019.

Vancouver:

Dezfulian S. A hydraulic flexible joint robot simulator. [Internet] [Thesis]. University of Saskatchewan; 2007. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/10388/etd-06282007-130256.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Dezfulian S. A hydraulic flexible joint robot simulator. [Thesis]. University of Saskatchewan; 2007. Available from: http://hdl.handle.net/10388/etd-06282007-130256

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Louisiana State University

18. Al Marhoon, Zahrah Ahmed. Effect of Pipe Rotation on Casing Pressure Within MPD Applications.

Degree: MSPE, Petroleum Engineering, 2018, Louisiana State University

URL: https://digitalcommons.lsu.edu/gradschool_theses/4630

► Well control is one of the most crucial sectors in drilling engineering. Human lives and safety depend on the correct execution of the engineering… (more)

Subjects/Keywords: Managed Pressure Drilling; MPD; Pipe Rotation; Drilling; Well control; kick

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APA (6^th Edition):

Al Marhoon, Z. A. (2018). Effect of Pipe Rotation on Casing Pressure Within MPD Applications. (Masters Thesis). Louisiana State University. Retrieved from https://digitalcommons.lsu.edu/gradschool_theses/4630

Chicago Manual of Style (16^th Edition):

Al Marhoon, Zahrah Ahmed. “Effect of Pipe Rotation on Casing Pressure Within MPD Applications.” 2018. Masters Thesis, Louisiana State University. Accessed December 10, 2019. https://digitalcommons.lsu.edu/gradschool_theses/4630.

MLA Handbook (7^th Edition):

Al Marhoon, Zahrah Ahmed. “Effect of Pipe Rotation on Casing Pressure Within MPD Applications.” 2018. Web. 10 Dec 2019.

Vancouver:

Al Marhoon ZA. Effect of Pipe Rotation on Casing Pressure Within MPD Applications. [Internet] [Masters thesis]. Louisiana State University; 2018. [cited 2019 Dec 10]. Available from: https://digitalcommons.lsu.edu/gradschool_theses/4630.

Council of Science Editors:

Al Marhoon ZA. Effect of Pipe Rotation on Casing Pressure Within MPD Applications. [Masters Thesis]. Louisiana State University; 2018. Available from: https://digitalcommons.lsu.edu/gradschool_theses/4630

University of Minnesota

19. Burman, Debashish. Separation control in low pressure turbines using plasma actuators with passing wakes.

Degree: PhD, Mechanical Engineering, 2013, University of Minnesota

URL: http://purl.umn.edu/159627

► A Dielectric Barrier Discharge (DBD) plasma actuator is operated in flow over the suction surface of a Pack-B Low Pressure Turbine (LPT) airfoil at a… (more)

▼ A Dielectric Barrier Discharge (DBD) plasma actuator is operated in flow over the suction surface of a Pack-B Low Pressure Turbine (LPT) airfoil at a Reynolds number of 50,000 (based on exit velocity and suction surface length) and inlet free-stream turbulence intensity of 2.5%. Preliminary characterization studies were made of the effect of varying actuator pulsing frequency and duty cycle, actuator edge effects, and orientation of the actuator with the flow. Flow control was demonstrated with the actuator imparting momentum opposite to the stream-wise flow direction, showing that it is possible to use disturbances alone to destabilize the flow and effect transition. No frequencies of strong influence were found over the range tested, indicating that a broad band of effective frequencies exists. Edge effects were found to considerably enhance separation control. Total pressure measurements of the flow without passing wakes were taken using a glass total-pressure tube. Corrections for streamline displacement due to shear and wall effects were made, and comparisons with previous hot-wire measurements were used to validate data. Performance features of conventional two-electrode and a novel three-electrode actuator configuration were compared. Hot-wire anemometry was used to take time-varying ensemble-averaged near-wall velocity measurements of the flow with periodic passing wakes. Corrections were made for near-wall effects, temperature effects, and interference of the electric field. The wakes were generated by a wake generator mechanism located upstream of the airfoil passage. The near-suction-surface total pressure field (flow without wakes) and velocity field (flow with wakes) in the trailing part of the airfoil passage, and the wall-normal gradient of these quantities, were used to demonstrate effective prevention of flow separation using the plasma actuator. Both flows (with and without passing wakes) showed fully attached flow (or very thin separation zones) when the actuator was activated. The flow with passing wakes and the actuator on showed relatively little time variation in the boundary layer, and qualitative similarities to the corresponding flow without passing wakes and with the actuator on were noted.

Subjects/Keywords: Flow control; Low pressure turbines; Plasma actuator; Separation; Transition

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APA (6^th Edition):

Burman, D. (2013). Separation control in low pressure turbines using plasma actuators with passing wakes. (Doctoral Dissertation). University of Minnesota. Retrieved from http://purl.umn.edu/159627

Chicago Manual of Style (16^th Edition):

Burman, Debashish. “Separation control in low pressure turbines using plasma actuators with passing wakes.” 2013. Doctoral Dissertation, University of Minnesota. Accessed December 10, 2019. http://purl.umn.edu/159627.

MLA Handbook (7^th Edition):

Burman, Debashish. “Separation control in low pressure turbines using plasma actuators with passing wakes.” 2013. Web. 10 Dec 2019.

Vancouver:

Burman D. Separation control in low pressure turbines using plasma actuators with passing wakes. [Internet] [Doctoral dissertation]. University of Minnesota; 2013. [cited 2019 Dec 10]. Available from: http://purl.umn.edu/159627.

Council of Science Editors:

Burman D. Separation control in low pressure turbines using plasma actuators with passing wakes. [Doctoral Dissertation]. University of Minnesota; 2013. Available from: http://purl.umn.edu/159627

University of Connecticut

20. Bruneau, Michael L, Jr. A Meta-Analysis of Candidate Gene Association Studies on the Blood Pressure Response to Aerobic Exercise.

Degree: MS, Kinesiology, 2013, University of Connecticut

URL: https://opencommons.uconn.edu/gs_theses/431

► ABSTRACT Purpose: Aerobic exercise (AE) lowers blood pressure (BP) 5-7 mmHg among those with hypertension, but there is considerable variability in the BP response… (more)

Subjects/Keywords: Blood Pressure; Exercise; Randomized Control Trial; and Genes

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APA (6^th Edition):

Bruneau, Michael L, J. (2013). A Meta-Analysis of Candidate Gene Association Studies on the Blood Pressure Response to Aerobic Exercise. (Masters Thesis). University of Connecticut. Retrieved from https://opencommons.uconn.edu/gs_theses/431

Chicago Manual of Style (16^th Edition):

Bruneau, Michael L, Jr. “A Meta-Analysis of Candidate Gene Association Studies on the Blood Pressure Response to Aerobic Exercise.” 2013. Masters Thesis, University of Connecticut. Accessed December 10, 2019. https://opencommons.uconn.edu/gs_theses/431.

MLA Handbook (7^th Edition):

Bruneau, Michael L, Jr. “A Meta-Analysis of Candidate Gene Association Studies on the Blood Pressure Response to Aerobic Exercise.” 2013. Web. 10 Dec 2019.

Vancouver:

Bruneau, Michael L J. A Meta-Analysis of Candidate Gene Association Studies on the Blood Pressure Response to Aerobic Exercise. [Internet] [Masters thesis]. University of Connecticut; 2013. [cited 2019 Dec 10]. Available from: https://opencommons.uconn.edu/gs_theses/431.

Council of Science Editors:

Bruneau, Michael L J. A Meta-Analysis of Candidate Gene Association Studies on the Blood Pressure Response to Aerobic Exercise. [Masters Thesis]. University of Connecticut; 2013. Available from: https://opencommons.uconn.edu/gs_theses/431

University of Adelaide

21. Hill, Simon G. (Simon Geoffrey). Towards practical sensing strategies for large active noise control systems / Simon G. Hill.

Degree: 2003, University of Adelaide

URL: http://hdl.handle.net/2440/22090

Subjects/Keywords: Noise control.; Acoustic radiation pressure.

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APA (6^th Edition):

Hill, S. G. (. G. (2003). Towards practical sensing strategies for large active noise control systems / Simon G. Hill. (Thesis). University of Adelaide. Retrieved from http://hdl.handle.net/2440/22090

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Hill, Simon G (Simon Geoffrey). “Towards practical sensing strategies for large active noise control systems / Simon G. Hill.” 2003. Thesis, University of Adelaide. Accessed December 10, 2019. http://hdl.handle.net/2440/22090.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Hill, Simon G (Simon Geoffrey). “Towards practical sensing strategies for large active noise control systems / Simon G. Hill.” 2003. Web. 10 Dec 2019.

Vancouver:

Hill SG(G. Towards practical sensing strategies for large active noise control systems / Simon G. Hill. [Internet] [Thesis]. University of Adelaide; 2003. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/2440/22090.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Hill SG(G. Towards practical sensing strategies for large active noise control systems / Simon G. Hill. [Thesis]. University of Adelaide; 2003. Available from: http://hdl.handle.net/2440/22090

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Ontario Institute of Technology

22. Lato, Thomas. Passive damping mechanism of Herschel-Quincke tubes for pressure pulsations in piping systems.

Degree: 2018, University of Ontario Institute of Technology

URL: http://hdl.handle.net/10155/1048

► The acoustic pressure pulsations in industrial piping systems can induce fluctuating loads on inline equipment which may cause fatigue failure and in severe cases, initiate… (more)

Subjects/Keywords: Damping device; Herschel-Quincke tube; Noise control; Pressure Pulsations; Acoustics

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APA (6^th Edition):

Lato, T. (2018). Passive damping mechanism of Herschel-Quincke tubes for pressure pulsations in piping systems. (Thesis). University of Ontario Institute of Technology. Retrieved from http://hdl.handle.net/10155/1048

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Lato, Thomas. “Passive damping mechanism of Herschel-Quincke tubes for pressure pulsations in piping systems.” 2018. Thesis, University of Ontario Institute of Technology. Accessed December 10, 2019. http://hdl.handle.net/10155/1048.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Lato, Thomas. “Passive damping mechanism of Herschel-Quincke tubes for pressure pulsations in piping systems.” 2018. Web. 10 Dec 2019.

Vancouver:

Lato T. Passive damping mechanism of Herschel-Quincke tubes for pressure pulsations in piping systems. [Internet] [Thesis]. University of Ontario Institute of Technology; 2018. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/10155/1048.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Lato T. Passive damping mechanism of Herschel-Quincke tubes for pressure pulsations in piping systems. [Thesis]. University of Ontario Institute of Technology; 2018. Available from: http://hdl.handle.net/10155/1048

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

23. Ambruș, Adrian Marius. Modeling and control of managed pressure drilling operations.

Degree: PhD, Mechanical Engineering, 2017, University of Texas – Austin

URL: http://hdl.handle.net/2152/54113

► The upstream oil and gas industry has witnessed a marked increase in the number of wells drilled in areas with elevated subsurface formation pressures and… (more)

Subjects/Keywords: Managed pressure drilling; Multi-phase hydraulic modeling; Robust control; Event detection

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APA (6^th Edition):

Ambruș, A. M. (2017). Modeling and control of managed pressure drilling operations. (Doctoral Dissertation). University of Texas – Austin. Retrieved from http://hdl.handle.net/2152/54113

Chicago Manual of Style (16^th Edition):

Ambruș, Adrian Marius. “Modeling and control of managed pressure drilling operations.” 2017. Doctoral Dissertation, University of Texas – Austin. Accessed December 10, 2019. http://hdl.handle.net/2152/54113.

MLA Handbook (7^th Edition):

Ambruș, Adrian Marius. “Modeling and control of managed pressure drilling operations.” 2017. Web. 10 Dec 2019.

Vancouver:

Ambruș AM. Modeling and control of managed pressure drilling operations. [Internet] [Doctoral dissertation]. University of Texas – Austin; 2017. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/2152/54113.

Council of Science Editors:

Ambruș AM. Modeling and control of managed pressure drilling operations. [Doctoral Dissertation]. University of Texas – Austin; 2017. Available from: http://hdl.handle.net/2152/54113

University of Gothenburg / Göteborgs Universitet

24. Hedén Ståhl, Christina. Risk factors of type 2 diabetes and excess risk of stroke in patients with diabetes.

Degree: 2016, University of Gothenburg / Göteborgs Universitet

URL: http://hdl.handle.net/2077/44858

► The incidence of type 2 diabetes is increasing worldwide, mainly because of increasing life expectancy and changes in lifestyle. However, several other factors may also… (more)

▼ The incidence of type 2 diabetes is increasing worldwide, mainly because of increasing life expectancy and changes in lifestyle. However, several other factors may also increase the risk of type 2 diabetes and their importance at a longer follow-up are not well explored. People living with diabetes have an increased risk of stroke but there are still gaps in knowledge about the excess risk at different risk factor levels. The first purpose of this thesis was to explore two risk factors for type 2 diabetes, high-normal blood pressure and low socioeconomic position defined by occupation, based on data from the Multifactor Primary Prevention study in Gothenburg. The second aim was to estimate the excess risk of stroke in people with type 2 diabetes in respect to their blood pressure level and in people with type 1 diabetes in respect to their metabolic control measured by HbA1c. For these studies, data on people with diabetes were collected from the National Diabetes Register and the excess risk of stroke was compared to controls from the general population. Out of 7494 middle aged men in Gothenburg examined in 1970-1973 and followed until the end of 2011, 13% had a registered diagnosis of diabetes mellitus at any time. Men with systolic blood pressure 130-139 mmHg (high-normal blood pressure) at the screening examination had a 43% increased risk of developing diabetes compared to men with systolic blood pressure below 130 mmHg. Men in the lowest occupational class had a significantly increased risk of diabetes compared to men in the highest occupational class even after adjusting for stress and several other risk factors for diabetes. The conditional probability of developing diabetes after 35 years taking death attributable to other causes into account was 43% in the lowest occupational class compared to 23% in the highest occupational class. As a group, people with type 2 diabetes had an increased risk of stroke compared to the risk of the general population. When the risk was estimated at different blood pressure levels, the increased risk of ischemic stroke at all blood pressure levels was offset by a significant reduced risk of hemorrhagic stroke at lower blood pressure levels. Therefore people with type 2 diabetes and a blood pressure below 130/80 mmHg had a risk of stroke comparable to the general population. The risk of stroke was increased for people with type 1 diabetes in all HbA1c categories compared to the general population. However, the risk rose from 75% excess in risk for people with type 1 diabetes and good metabolic control to an eightfold excess in risk for the least well controlled group. HbA1c was more important as a risk factor for ischemic compared to hemorrhagic stroke in people with type 1 diabetes. In conclusion, this thesis showed that high-normal blood pressure and low occupational class remain as risk factors for type 2 diabetes even after an extended follow-up into older ages. People with type 2 diabetes and low blood pressure have a risk of stroke comparable to the general population.…

Subjects/Keywords: type 1 diabetes; type 2 diabetes; stroke; high-normal blood pressure; occupational class; blood pressure; glycemic control

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APA (6^th Edition):

Hedén Ståhl, C. (2016). Risk factors of type 2 diabetes and excess risk of stroke in patients with diabetes. (Thesis). University of Gothenburg / Göteborgs Universitet. Retrieved from http://hdl.handle.net/2077/44858

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Hedén Ståhl, Christina. “Risk factors of type 2 diabetes and excess risk of stroke in patients with diabetes.” 2016. Thesis, University of Gothenburg / Göteborgs Universitet. Accessed December 10, 2019. http://hdl.handle.net/2077/44858.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Hedén Ståhl, Christina. “Risk factors of type 2 diabetes and excess risk of stroke in patients with diabetes.” 2016. Web. 10 Dec 2019.

Vancouver:

Hedén Ståhl C. Risk factors of type 2 diabetes and excess risk of stroke in patients with diabetes. [Internet] [Thesis]. University of Gothenburg / Göteborgs Universitet; 2016. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/2077/44858.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Hedén Ståhl C. Risk factors of type 2 diabetes and excess risk of stroke in patients with diabetes. [Thesis]. University of Gothenburg / Göteborgs Universitet; 2016. Available from: http://hdl.handle.net/2077/44858

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

25. Lao, Steven Baron. Wearable Tactile Pressure Sensing for Compression Garments and Control of Active Compression Devices.

Degree: 2016, University of Waterloo

URL: http://hdl.handle.net/10012/10205

► Compression garments on the lower limbs have been used for the treatment of venous deficiencies for centuries. More recently, healthy athletes have used similar garments… (more)

Subjects/Keywords: pressure sensor; active compression; control; tactile pressure

…doing. Another important variable to control is the pressure being applied to the leg since… …pressure sensor to measure the pressure applied. The control system development includes… …the control system and pressure sensors. Chapter 3 presents the details of the control… …Iterative Learning Control (ILC) is implemented to regulate the pressure of the… …System Control From the literature discussed in Chapter 2, the target pressure for the…

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APA (6^th Edition):

Lao, S. B. (2016). Wearable Tactile Pressure Sensing for Compression Garments and Control of Active Compression Devices. (Thesis). University of Waterloo. Retrieved from http://hdl.handle.net/10012/10205

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Lao, Steven Baron. “Wearable Tactile Pressure Sensing for Compression Garments and Control of Active Compression Devices.” 2016. Thesis, University of Waterloo. Accessed December 10, 2019. http://hdl.handle.net/10012/10205.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Lao, Steven Baron. “Wearable Tactile Pressure Sensing for Compression Garments and Control of Active Compression Devices.” 2016. Web. 10 Dec 2019.

Vancouver:

Lao SB. Wearable Tactile Pressure Sensing for Compression Garments and Control of Active Compression Devices. [Internet] [Thesis]. University of Waterloo; 2016. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/10012/10205.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Lao SB. Wearable Tactile Pressure Sensing for Compression Garments and Control of Active Compression Devices. [Thesis]. University of Waterloo; 2016. Available from: http://hdl.handle.net/10012/10205

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

26. Kumagai, Naoto. Improving Drug Adherence Using Fixed Combinations Caused Beneficial Treatment Outcomes and Decreased Health-Care Costs in Patients with Hypertension.

Degree: 博士(医学), 2017, Mie University / 三重大学

URL: http://hdl.handle.net/10076/00016980

►

We enrolled 196 patients with hypertension who were already being treated with free-drug combinations of angiotensin-II receptor blocker (ARB) and amlodipine. The free-drug combinations of… (more)

Subjects/Keywords: adherence; fixed-dose combinations; hypertension; blood pressure control; health-care cost; antihypertensive drug

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APA (6^th Edition):

Kumagai, N. (2017). Improving Drug Adherence Using Fixed Combinations Caused Beneficial Treatment Outcomes and Decreased Health-Care Costs in Patients with Hypertension. (Thesis). Mie University / 三重大学. Retrieved from http://hdl.handle.net/10076/00016980

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Kumagai, Naoto. “Improving Drug Adherence Using Fixed Combinations Caused Beneficial Treatment Outcomes and Decreased Health-Care Costs in Patients with Hypertension.” 2017. Thesis, Mie University / 三重大学. Accessed December 10, 2019. http://hdl.handle.net/10076/00016980.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Kumagai, Naoto. “Improving Drug Adherence Using Fixed Combinations Caused Beneficial Treatment Outcomes and Decreased Health-Care Costs in Patients with Hypertension.” 2017. Web. 10 Dec 2019.

Vancouver:

Kumagai N. Improving Drug Adherence Using Fixed Combinations Caused Beneficial Treatment Outcomes and Decreased Health-Care Costs in Patients with Hypertension. [Internet] [Thesis]. Mie University / 三重大学; 2017. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/10076/00016980.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Kumagai N. Improving Drug Adherence Using Fixed Combinations Caused Beneficial Treatment Outcomes and Decreased Health-Care Costs in Patients with Hypertension. [Thesis]. Mie University / 三重大学; 2017. Available from: http://hdl.handle.net/10076/00016980

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Texas A&M University

27. Bowlin, Christopher Leland. A pressure control scheme for air brakes in commercial vehicles.

Degree: 2007, Texas A&M University

URL: http://hdl.handle.net/1969.1/4934

► This research is focused on developing a control scheme for regulating the pressure in the brake chamber of an air brake system found in most… (more)

Subjects/Keywords: Air brakes; Pressure control; Commercial Vehicles

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APA (6^th Edition):

Bowlin, C. L. (2007). A pressure control scheme for air brakes in commercial vehicles. (Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/4934

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Bowlin, Christopher Leland. “A pressure control scheme for air brakes in commercial vehicles.” 2007. Thesis, Texas A&M University. Accessed December 10, 2019. http://hdl.handle.net/1969.1/4934.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Bowlin, Christopher Leland. “A pressure control scheme for air brakes in commercial vehicles.” 2007. Web. 10 Dec 2019.

Vancouver:

Bowlin CL. A pressure control scheme for air brakes in commercial vehicles. [Internet] [Thesis]. Texas A&M University; 2007. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/1969.1/4934.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Bowlin CL. A pressure control scheme for air brakes in commercial vehicles. [Thesis]. Texas A&M University; 2007. Available from: http://hdl.handle.net/1969.1/4934

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Colorado

28. Ryan, Miles. Optimal Control Strategy Selection for Intelligent Pressure Independent Control Valves.

Degree: MS, Anthropology, 2014, University of Colorado

URL: http://scholar.colorado.edu/aren_gradetds/2

► Low Delta T Syndrome increases the energy consumption of chilled water systems. Numerous causes of Low Delta T lie at the cooling coils. As… (more)

Subjects/Keywords: Four-Parameter Curve Fit; Intelligent Pressure Independent Control Valve; Architectural Engineering; Mechanical Engineering

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APA (6^th Edition):

Ryan, M. (2014). Optimal Control Strategy Selection for Intelligent Pressure Independent Control Valves. (Masters Thesis). University of Colorado. Retrieved from http://scholar.colorado.edu/aren_gradetds/2

Chicago Manual of Style (16^th Edition):

Ryan, Miles. “Optimal Control Strategy Selection for Intelligent Pressure Independent Control Valves.” 2014. Masters Thesis, University of Colorado. Accessed December 10, 2019. http://scholar.colorado.edu/aren_gradetds/2.

MLA Handbook (7^th Edition):

Ryan, Miles. “Optimal Control Strategy Selection for Intelligent Pressure Independent Control Valves.” 2014. Web. 10 Dec 2019.

Vancouver:

Ryan M. Optimal Control Strategy Selection for Intelligent Pressure Independent Control Valves. [Internet] [Masters thesis]. University of Colorado; 2014. [cited 2019 Dec 10]. Available from: http://scholar.colorado.edu/aren_gradetds/2.

Council of Science Editors:

Ryan M. Optimal Control Strategy Selection for Intelligent Pressure Independent Control Valves. [Masters Thesis]. University of Colorado; 2014. Available from: http://scholar.colorado.edu/aren_gradetds/2

29. Furtado, Sofia Isabel António. Caracterização do perfil de controlo postural em idosos, através de métodos clássicos.

Degree: 2011, Universidade de Évora

URL: http://www.rcaap.pt/detail.jsp?id=oai:dspace.uevora.pt:10174/15496

► Este estudo teve como principal objectivo caracterizar o perfil de controlo postural em idosos, através de métodos clássicos. Foi constituída uma amostra de 75 pessoas… (more)

▼ Este estudo teve como principal objectivo caracterizar o perfil de controlo postural em idosos, através de métodos clássicos. Foi constituída uma amostra de 75 pessoas com idade média de 68 anos ±6 anos, 40 elementos são praticantes de exercício físico e 35 elementos são não praticantes de exercício físico. A avaliação do controlo postural foi realizada pela caracterização do comportamento corporal-oscilação, através de uma observação quantitativa recorrendo à posturografia estática numa plataforma de forças a partir do Centro de Pressão (CP). De acordo com o CP é possível estabelecer duas orientações (ap- anteroposterior e ml- médio lateral). Com os valores do CP, foi possível calcular medidas, observáveis em estabilograma, recorrendo a fórmulas no ambiente MATLAB. As medidas obtidas foram variáveis normalmente designadas como clássicas, são exemplo o Deslocamento da Oscilação total (DOT), Root Mean square (RMS), Amplitude do deslocamento (ACP), Velocidade Média (VM), Velocidade Média Total (VMT), Area, Frequência Média (FM) e análise de frequências espectral com Frequência de Pico, Fequência a 50% da potência do espectro e a 80% da potência do espectro. Após análise de dados conclui-se que existem diferenças significativas entre Olhos abertos/Olhos fechados, nas medidas de oscilação médio-lateral. Entre praticantes e não praticantes registaram-se diferenças significativas no deslocamento de oscilação total- DOT, na amplitude do deslocamento ACP ml, na área no plano ml, na VM OF, na VMT de OF na Freq Média OF na Fpico OF e na F80 OF. A prática de Tai-Chi , em pisos irregulares e nível de AF parecem influenciar o perfil de controlo postural em idosos; ABSTRACT:This study's main objective was to characterize the profile of postural control in elderly through traditional methods. A sample of 75 people aged 68 years mean ± 6 years, according to the WHO considered old youth. 40 elements in the sample are regular practitioners of a structured physical activity programs and 35 elements are not engaged in structured physical activity. Data were collected on a platform of forces, through the CoP, in accordance with guidance from the volunteer. Signs of the platform and formula CoP anteroposterior (AP) and mediolateral (ML), calculated and transformed the data into action, observable in stabilogram using formulas in MATLAB. The variables analyzed were the total displacement of the oscillation (DOT), root mean square (RMS) amplitude of displacement (ACP), Average Speed (VM), Total Average Speed (VMT), Area, Average Frequency (FM) and analysis of frequency spectral peak frequency, frequency at 50% of the power spectrum and 80% of the power spectrum. After data analysis it is concluded that significant differences exist between Eyes open / Eyes closed, in measures of medio lateral oscillation between practice and not structured in the practice of PA in total displacement of oscillation-DOT, the amplitude of the displacement ACP ml, in Area in the ml plane, the VM EC (Eyes Closed), VMT EC (Eyes Closed) at Frequency Average EC… Advisors/Committee Members: Raimundo, Armando, Fernandes, Orlando.

Subjects/Keywords: Centro de pressão; Controlo postural; Idosos; Center of pressure; Postural control; Elderly

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Furtado, S. I. A. (2011). Caracterização do perfil de controlo postural em idosos, através de métodos clássicos. (Thesis). Universidade de Évora. Retrieved from http://www.rcaap.pt/detail.jsp?id=oai:dspace.uevora.pt:10174/15496

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Furtado, Sofia Isabel António. “Caracterização do perfil de controlo postural em idosos, através de métodos clássicos.” 2011. Thesis, Universidade de Évora. Accessed December 10, 2019. http://www.rcaap.pt/detail.jsp?id=oai:dspace.uevora.pt:10174/15496.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Furtado, Sofia Isabel António. “Caracterização do perfil de controlo postural em idosos, através de métodos clássicos.” 2011. Web. 10 Dec 2019.

Vancouver:

Furtado SIA. Caracterização do perfil de controlo postural em idosos, através de métodos clássicos. [Internet] [Thesis]. Universidade de Évora; 2011. [cited 2019 Dec 10]. Available from: http://www.rcaap.pt/detail.jsp?id=oai:dspace.uevora.pt:10174/15496.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Furtado SIA. Caracterização do perfil de controlo postural em idosos, através de métodos clássicos. [Thesis]. Universidade de Évora; 2011. Available from: http://www.rcaap.pt/detail.jsp?id=oai:dspace.uevora.pt:10174/15496

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Kristianstad University

30. Abazi, Dafine. Conformity pressure and auditors’ judgement : How peers affect one another in audit firms in Sweden?.

Degree: Faculty of Business, 2018, Kristianstad University

URL: http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-18375

► Although gazillion of studies have been conducted regarding what influences auditors’ judgment, few studies examined the impact of conformity pressure on auditors’ judgment. Despite… (more)

Subjects/Keywords: Auditors’ judgment; conformity pressure; professional commitment; locus of control; Swedish culture; Business Administration; Företagsekonomi

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Abazi, D. (2018). Conformity pressure and auditors’ judgement : How peers affect one another in audit firms in Sweden?. (Thesis). Kristianstad University. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-18375

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Abazi, Dafine. “Conformity pressure and auditors’ judgement : How peers affect one another in audit firms in Sweden?.” 2018. Thesis, Kristianstad University. Accessed December 10, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-18375.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Abazi, Dafine. “Conformity pressure and auditors’ judgement : How peers affect one another in audit firms in Sweden?.” 2018. Web. 10 Dec 2019.

Vancouver:

Abazi D. Conformity pressure and auditors’ judgement : How peers affect one another in audit firms in Sweden?. [Internet] [Thesis]. Kristianstad University; 2018. [cited 2019 Dec 10]. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-18375.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Abazi D. Conformity pressure and auditors’ judgement : How peers affect one another in audit firms in Sweden?. [Thesis]. Kristianstad University; 2018. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:hkr:diva-18375

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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Open Access Theses and Dissertations