Development of Side Impact Test Procedures for Improved Wheelchair Transportation Safety

Klinich, Kathleen D.; Manary, Miriam A.; Orton, Nichole R.; Boyle, Kyle J.; Hu, Jingwen; University of Michigan. Transportation Research Institute

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Development of Side Impact Test Procedures for Improved Wheelchair Transportation Safety

2024-06-01
By Klinich, Kathleen D. ; Manary, Miriam A. ; Orton, Nichole R. ; ...

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Creators:

Klinich, Kathleen D. ; Manary, Miriam A. ; Orton, Nichole R. ; Boyle, Kyle J. ; Hu, Jingwen

Klinich, Kathleen D. ; Manary, Miriam A. ; Orton, Nichole R. ; Boyle, Kyle J. ; Hu, Jingwen Less -
Corporate Creators:

University of Michigan. Transportation Research Institute
Corporate Contributors:

United States. Department of Transportation. National Highway Traffic Safety Administration. Office of Vehicle Safety Research
Subject/TRT Terms:

[+]

Finite Element Method Side Collisions Test Procedures Wheelchairs
Publication/ Report Number:

DOT HS 813 498
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Draft Final, October 2021-March 2023
Corporate Publisher:

United States. Department of Transportation. National Highway Traffic Safety Administration
Abstract:

This report presents the development of side impact test procedures for evaluating wheelchairs, wheelchair tiedowns and occupant restraint systems (WTORS), and vehicle-based occupant protection systems for wheelchair seating stations. The background includes review of existing relevant voluntary standards and past research. Tasks to develop the testing procedure include analysis to develop a relevant crash pulse, placement of the wheelchair station relative to simulated vehicle interior, seatbelt conditions, and appropriately simulated vehicle intrusion. Sled tests were performed to validate surrogate fixtures and commercial hardware being used to develop finite element (FE) models that can demonstrate the procedure. Additional tests were performed to determine how to adapt the Surrogate Wheelchair Base (SWCB) for use as a Surrogate Wheelchair for Side Impact (SWCSI), as well as to evaluate proposed performance criteria for wheelchairs and WTORS in side impact. Validated FE models were developed for the SWCB, SWCSI, a manual wheelchair (Ki Mobility Catalyst 5), and a power wheelchair (Quantum Rehab Edge 2.0). Additional FE models of a heavy-duty anchor meeting the Universal Docking Interface Geometry (UDIG), surrogate four-point strap tiedowns (SWTORS), a traditional docking station, and the surrogate wall fixture were also developed. Comparisons of sled tests and FE models show acceptable validation results. The proposed wheelchair side impact test procedure includes separate sections for testing wheelchairs, WTORS, and vehicle-based occupant protection systems. Detailed procedures and exemplary testing results are documented in this report.
Format:

PDF
Collection(s):

NHTSA - Vehicle Safety Research
Main Document Checksum:

[+]

urn:sha256:96cc61c7e3b0daafea2ec3fe3195eeb972da602a85938d8d092c8a4df7470a8f
Download URL:

https://rosap.ntl.bts.gov/view/dot/75189/dot_75189_DS1.pdf
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Development of Side Impact Test Procedures for Improved Wheelchair Transportation Safety

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