Passenger kinematics in lane change and lane change with braking manoeuvres using two belt configurations: standard and reversible pre‐pretensioner

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Ghaffari, Ghazaleh¹; Brolin, Karin¹; Bråse, Dan²; Pipkorn, Bengt^2,3; Svanberg, Bo⁴; Jakobsson, Lotta^3,4; Davidsson, Johan¹

Passenger kinematics in lane change and lane change with braking manoeuvres using two belt configurations: standard and reversible pre‐pretensioner

Proceedings of the 2018 International IRCOBI Conference on the Biomechanics of Injury

Affiliations

¹Department of Mechanics and Maritime Sciences, Chalmers University of Technology, Sweden

²Autoliv Research

³Chalmers University of Technology

⁴Volvo Cars, Sweden
Abstract and keywords

The development of integrated safety technologies in modern cars demands comprehensive research to predict human occupant response in pre‐crash and crash situations. The aim of this study is to investigate occupant kinematics and to provide validation data for Human Body Models (HBMs) in simulations of evasive events potentially occurring prior to a crash. Nine front‐seat male passengers, wearing a seat belt in either standard or pre‐tensed configuration prior to the event, were exposed to multiple repeatable lane change and lane change with braking manoeuvres while travelling at 73 km/h. The focus of the study was to analyze the occupant kinematics and belt characteristics.

The presented data can be used for validation of HBMs in both sagittal and lateral loading scenarios in simulation of pre‐crash events. Corridors comprising mean ± one standard deviation indicated lower sideways and forward displacements for head centre of gravity and T1, with the pre‐pretensioner belt versus the standard belt. Upper torso and head lateral excursion were similar for lane change and lane change with braking manoeuvres, while the longitudinal excursions were highly influenced.

Keywords: Body kinematics, Human body model, Lane change, Pre‐pretensioner belt, Volunteer
Links

URL: http://www.ircobi.org/wordpress/downloads/irc18/pdf-files/80.pdf

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2019	Wågström L, Leledakis A, Östh J, Lindman M, Jakobsson L. Integrated safety: establishing links for a comprehensive virtual tool chain. In: Proceedings of the 26th International Technical Conference on the Enhanced Safety of Vehicles (ESV). June 10-13, 2019; Eindhoven, Netherlands.
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2020	Bohman K, Jakobsson L, Nurbo P, Olander A, Andersson A. Lateral movement of front seat passengers in everyday traffic. In: Proceedings of the 2020 International IRCOBI Conference on the Biomechanics of Injury. 2020; Munich, Germany.410-426.
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2024	Leledakis A. Heterogeneity in Car Occupant Safety: Using Numerical Simulations to Address Real-World Safety [PhD thesis]. Götenburg, Sweden: Chalmers University of Technology; 2024.
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