United States Department of Transportation
i
Development of an Automated Wheelchair Tiedown Restraint System
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2022-10-01
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[PDF-30.02 MB]
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Edition:Final report
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Abstract:This report describes a project to develop an automated wheelchair tiedown and occupant restraint systems (WTORS) that could be safely and independently used in automated vehicles by people who remain seated in their wheelchairs for travel. The literature review focuses on topics relevant to safe, independent use of automated vehicles to people who use wheelchairs. Other chapters discuss initial strategies on design space, prototype concepts, computational modeling, volunteer assessment, dynamic testing, validating frontal and side impact wheelchair models, optimization of WTORS restraint systems, hardware development for the wheelchair attachments, vehicle anchorages, and automated belt donning arm, considerations for implementing usable wheelchair seating stations, hardware evaluation by eight volunteer wheelchair users, evaluation of prototypes in ten frontal and eight far-side impacts, and remaining challenges.
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