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Title Design and development of side underride protection devices (SUPD) for heavy vehicles
URL
Publication Date
University/Publisher University of Ontario Institute of Technology
Abstract There exists a large mismatch between the bumper of a passenger vehicle and the ground clearance of heavy vehicles. During collisions between the car and the side of the heavy vehicle, a large amount of intrusion is observed in the passenger compartment due to underride. The results of these collisions often leads to injuries or fatalities. This research aims to develop side underride protection devices (SUPD) to eliminate the incompatibility between the small vehicle???s bumper and bottom of the trailer or box of the straight truck. To successfully design these guards, a regulation for testing the effectiveness of the SUPDs during a side crash was created. Guards were then developed utilizing a topology and multi-objective optimization design approach by applying the proposed regulation. These proved feasible when tested dynamically with the Toyota Yaris and Ford Taurus at preventing underride. Additional guards were then created and tested utilizing an aerodynamic shape to reduce drag and improve fuel consumption.
Subjects/Keywords Side underride protection device (SUPD); Crashworthiness; Underride; Vehicle safety
Contributors El-Gindy, Moustafa
Language en
Country of Publication ca
Record ID handle:10155/416
Repository uoit
Date Retrieved
Date Indexed 2018-05-31

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Device ..................................................................................... 56 4.7 Proposed Guards ................................................................................................. 57 4.8 Testing and Analysis…

…7 Figure 2.2 - RUPD CMVSS No. 223 test locations [10] ......................................................... 8 Figure 2.3 - CMVSS Uniform Load Test Force Application Device [10] ................................ 9 Figure 2.4…

…ECE Regulation 93 force locations and dimensions [11] ................................ 10 Figure 2.5 - ECE Regulation 73 lateral protection device dimensions [15]........................ 11 Figure 2.6 - Australian Trucking…

…55 Figure 4.46 - Force application device dimensions............................................................ 56 Figure 4.47 - Offset positioning explained ......................................................................... 57 Figure 4.48…

…ST1 bracket design 1 & 2 ...................................................................... 76 Figure 5.10 - Force application device loading conditions of SUPD5 ................................ 79 Figure 5.11 - SUPD5 impact force graph at 0mm…

…collision with and without SUPD5 ........................................ 84 Figure 5.22 - Force application device loading conditions of SUDP-ST1 ........................... 85 xii Figure 5.23 - SUPD-ST1 impact force graph at 0mm offset…

…application device angle at 2500 and 3000mm offset ......................... 95 Figure 6.4 - Final SUPD6 design ......................................................................................... 96 Figure 6.5 - SUPD6 impact force graph at 0mm offset…

…available in the Fatality Analysis Reporting System (FARS) published on the National Highway Traffic Safety Administration (NHTSA) website. They concluded that from 1994 to 2005, there was an annual average of 2,254 fatalities that…

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