【摘要】 指出了用于速度分析的三心定理的局限性，应用罗洪田定式应注意的一些问题。给出了一种利用邻接矩阵求机构瞬心的方法，并可在计算机上实施。同时，给出了罗洪田定式在求解平面机构瞬心中的组合应用类型。更多还原

【Abstract】 The limitation of three link theorem in velocity analysis and the main problems in application of Lou’s theorem are pointed out. It has given a method to the solution of instantaneous center using adjacency matrix and the calculation is computer operated. Meanwhile, some combined application examples for solving the instantaneous center on planar mechanism through Lou’s theorem are also given.更多还原