Predicting crash configurations in passenger car to passenger car crashes to guide the development of future passenger car safety

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Östling, Martin¹; Jeppsson, Hanna¹; Lubbe, Nils¹

Predicting crash configurations in passenger car to passenger car crashes to guide the development of future passenger car safety

Proceedings of the 2019 International IRCOBI Conference on the Biomechanics of Injury

Affiliations

¹Autoliv Research
Abstract and keywords

Recent years have seen a rapid increase in the number of passenger cars equipped with Advanced Driver Assistance Systems (ADASs), a development that affects the nature of future vehicle crashes. Predicting this change, understanding future crash frequencies and crash configurations and thereby deriving the most relevant load cases for occupant restraint systems, is key to ensuring future occupant protection. This study contributes by assessing how fully implementing today’s known ADASs in the future German car fleet will impact crash scenarios and crash configurations for modern passenger cars with occupants sustaining an at least moderate injury, 2 or higher, on the Abbreviated Injury Scale (AIS2+).

Applying today’s known ADASs was found to decrease the number of such crashes markedly, but to increase the relative frequency of intersection crashes. These remaining intersection crashes were divided into distinct crash configurations. From this, five distinct and clearly defined load cases were identified to aid the development and evaluation of future occupant restraint systems. It must be noted, however, that these load cases are based on an analysis of a limited number of crashes.

Keywords: ADAS; Crash configuration; Future crash scenarios; GIDAS; Load case
Links

URL: http://www.ircobi.org/wordpress/downloads/irc19/pdf-files/92.pdf

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2020	Gepner BD, Toczyski J, Rawska K, Moreau D, Kerrigan JR. Sensitivity of human body model response relative to the lumbar spine and pelvic tissue formulation. In: Proceedings of the 2020 International IRCOBI Conference on the Biomechanics of Injury. 2020; Munich, Germany.156-168.
2022	Brynskog E, Iraeus J, Pipkorn B, Davidsson J. Population variance in pelvic response to lateral impacts: a global sensitivity analysis. In: Proceedings of the 2022 International IRCOBI Conference on the Biomechanics of Injury. September 14-16, 2022; Porto, Portugal.173-196.
2022	Leledakis A, Östh J, Iraeus J, Davidsson J, Jakobsson L. The influence of occupant’s size, shape and seat adjustment in frontal and side impacts. In: Proceedings of the 2022 International IRCOBI Conference on the Biomechanics of Injury. September 14-16, 2022; Porto, Portugal.549-584.
2020	Gepner BD, Rawska K, Kerrigan JR. Occupant response in frontal, oblique and side impacts in highly automated vehicles environment. In: Proceedings of the 2020 International IRCOBI Asia Conference on the Biomechanics of Injury. 2020; Beijing, China.114-117.
2022	Tushak SK, Donlon JP, Gepner BD, Chebbi A, Pipkorn B, Hallman JJ, Forman JL, Kerrigan JR. Failure tolerance of the human lumbar spine in dynamic combined compression and flexion loading. J Biomech. April 2022;135:111051.