Browse Publications Technical Papers 2019-22-0024
2020-03-31

An Experimental Confirmation of the Occupant Kinematic Response for Out of Position and Belt Tensioning Effect during Collision Avoidance System 2019-22-0024

The methodology of ensuring safety to occupants' is one of the major challenges about the Integral safety system. Many studies have focused on verification to securing occupants’ restraint during collision avoidance, but the out-of-position (OOP) parameter was not considered sufficiently. The aim of this study is to verify the occupant's kinematic response at OOP seat conditions via the sled platform which simulated the collision avoidance system. In this experiment, 18 volunteers’ motion was measured by infrared cameras and electromyography sensors. According to results, the OOP seat made frontal head motion to 1.5±0.5 times higher than normal seat position (NSP) in braking maneuver. In swerving maneuver at the NSP seat, however, the neck joint peak was represented 0.2 sec quicker, 3 times longer, and higher than the OOP seat. For future work, this study proposes that kinematic compensation of the occupant’s response should be considered with countermeasure onto seat position change.

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