車両-乗員系連成振動シミュレーションシステムの開発 : 第2報,乗員挙動に及ぼす最終着座姿勢の影響

概要

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My first report detailed a theoretical analysis and verification of a simulation system for vehicle-occupant dynamic interaction. The mathematical model had twelve degrees of freedom. Simulated results almost agreed with experimental values. This simulation system can be used as a tool to investigate the effects of physical variables that influence automobile seat ride comfort. In this second report, the effects of the sitting posture of occupants on human dynamic behavior are investigated using this computer simulation. This paper is concerned with the effects of sitting posture, that is, head angle, back angle, thigh angle, shin angle, hip angle and knee angle, on human comfort. As a result, it is found that these factors exert a significant influence upon both vertical acceleration ratio of head, chest and thigh in the range of 1 to 8Hz (especially from 3.0 to 4.5Hz), and fore & aft acceleration ratio of all body parts in the frequency range of 1-30Hz. The shin has an effect on both vertical and fore & aft acceleration ratio.
一般社団法人日本機械学会の論文
1993-12-25