By using a body model of 15 segments and dynamics of rigid bodies, the astronaut's self rotation is modeled.
本文借助15段的人体模型，使用多刚体动力学的方法建立起航天员转体动作的力学模型。
The paper deduces the general formulae of the sweet point about the rotation around a fixed point of rigid body, from the kinetic equation of it, and puts formulae to use for special rigid bodies.
从刚体定点转动的动力学方程出发，推导定点转动刚体打击中心位置的普遍表达式，并通过特例加以应用。
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