衝撃緩和運動における下肢系の力学モデル : 下肢の慣性を考慮した場合(機械力学,計測,自動制御)

概要

論文の詳細を見る
In this paper, a new mechanical model for studying the shock-absorption mechanism of lower limbs is proposed. In this model the mass of the human leg is taken into consideration and the plantar elasticity is regarded as a nonlinear spring. Force and acceleration when a human jumps down from a height are measured using a force plate and an accelerometer. Through comparison of the theoretical and experimental results, this new mechanical model is confirmed to be appropriate for numerical simulation of the force on the toe and the acceleration on the waist during vertical jumping down. Furthermore, the effect of the legs' inertia upon the force on the toe and the acceleration on the waist is investigated for the cases of consideration of and neglecting the inertia of the legs. It is found that in the case of consideration of the mass of the legs, the model is suitable for quantitative estimation of the force on the toe and acceleration on the waist; whereas in the csse of neglecting the mass of the legs, the model is suitable for qualitative study of the shock absorbing mechanism.
一般社団法人日本機械学会の論文
1997-06-25