Optimal Motion of a Motor Cycle Rider on Sudden Halt

C. Chattoraj
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Abstract

In this paper, a new concept has been proposed to theoretically analyze the forces and torques on the upper body of a human riding on a two wheeler while facing a sudden halt/crash. This approach is applied to different joints by using a musculoskeletal model of the upper body. The optimal motion of the upper body during the sudden halt/crash is obtained by converting the multi degree of freedom control problem to a parameter based problem to study the nature and modes of response following a shock. A mathematical model with reduced degrees of freedom is proposed that retains the essential features of the motion most probable in the direction of the original velocity and the same (a non-linear formulation) is numerically investigated to find out the forces and torques on the thorasic trunk and the head-neck with the waist joint together with the displacements.
摩托车骑手突然停车时的最佳运动
本文提出了一个新的概念,从理论上分析两轮车在面临突然刹车/碰撞时上半身所受的力和力矩。这种方法通过使用上半身的肌肉骨骼模型应用于不同的关节。通过将多自由度控制问题转化为基于参数的问题来研究冲击后的响应性质和模式,得到了在突停/撞击时上半身的最优运动。提出了一种降低自由度的数学模型,该模型保留了最可能在原始速度方向上运动的基本特征,并对其进行了数值研究(非线性公式),以求出胸干和头颈与腰关节上的力和扭矩以及位移。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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