利用蒙特卡洛法识别人体力学参数

The Identification of Dynamic Properties of Human Body Using Monte Carlo Method

本文从最优化的角度提出了一种新的识别方法,将人体力学参数的获取转化为简单力学测量与现代计算技术的相互结合。本方法对待测人体未作任何几何形状、密度分布的假设,个体针对性强,可在体地识别出人体力学参数。测量实施简便,识别精度高。计算机模拟计算表明了该方法的有效性。

The dynamic propertes of humanbody, including weight center of gra-vity and inertial parameter of arbi-trary segment, are basic parametersof sport biomechanics. They are in-dispensable in many research fields.The establised mathematic models arebased on some assumptions nad anato-mic statistic data and have limitationin application. The use of CTscanningis limited due to the cost and com-plexity in operation. This paper pre-sents a new method identifying thedynamic properties of human bodycombined with simple mechanic mea-surement and modern computationtechnique. It does not have any as-sumptions of body geometry and massdensity distribution and identify thebody with simple measurement andhigh computional precision. Simulat-ing computation showed high affi-ciency of this method.