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Evaluation of Seat Performance Criteria for Rear‐End Impact Testing BioRID II and Insurance Data
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- Davidsson, Johan, 1967 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
- Kullgren, Anders, 1963 (author)
- (creator_code:org_t)
- 2013
- 2013
- English.
- In: IRCOBI Conference. - 2235-3151. ; :IRC-13-15, s. 63-76
- Conference paper (peer-reviewed)
Abstract
Subject headings
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- The BioRID is recommended for legislative rear‐end impact seat tests. Recommendedinjury criteria are, however, lacking; biomechanical data are limited and confines any evaluation ofproposed criteria.This study aimed at addressing these limitations by comparing BioRID II data from sled tests withreal‐life accident data. Results will evaluate injury predictability of the complete sled test method, whichincludes performance criteria, the use of a generic acceleration pulse, and the BioRID, etc.Real‐life injury risk was calculated for 17 groups of similar seat designs from data provided byFolksam. The number of insurance cases range from 150 to 1136 per group. Regression coefficientswere calculated. Two types of injury risks were used: those leading to documented symptoms of morethan one month’s duration and those classified as leading to permanent medical impairment as aconsequence of a rear‐end impact. These risks were compared to parameter values from sled testsperformed with a BioRID II at 16 km/h pulses.NIC, the maximum rearward Occipital Condyle relative T1 x‐displacements and L1 x‐acceleration bestpredicted the risk of developing permanent medical impairment and symptoms of more than onemonth, given the occupant had initial symptoms following a rear‐end impact.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering (hsv//eng)
Keyword
- rear‐end
- WAD
- injury criteria
- BioRID
- real life data
Publication and Content Type
- kon (subject category)
- ref (subject category)
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