自動車正面衝突におけるライトダウン効果の実験的研究(機械力学,計測,自動制御)

概要

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Some part of the occupant's kinetic energy is transferred to the vehicle through the seat belt during a car collision. The high ratio of the transferred energy has the advantage in protecting the occupant. This phenomenon is called "ride down effect". In order to design an automotive body structure with consideration of the ride down effect, the dynamic relation between the occupant deceleration, which is one of important injury criteria, and the automotive body structure must be studied. However, there have been few researches on the phenomenon of the ride down. In this paper, we verified the theory of the ride down effect by using a 2 DOF experimental model for a vehicle and an occupant to analyze the dynamic mechanism. Moreover, the relationship between the index of the ride down effect and the occupant deceleration was experimentally investigated, and automotive designs with the minimum deceleration in crash was examined.
社団法人日本機械学会の論文
2008-04-25