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在满足操作手机构手部绝对运动精度的前提下，用优化设计方法分析并确定有关结构参数公差和运动参数精度的最佳分布，并使机构的制造成本最低．此法适用于一般开链机构的精度综合．
Under the premise of meeting the absolute motion accuracy of the hands of hand manipulator, the optimal design method is used to analyze and determine the best distribution of the structural parameter tolerance and the accuracy of the motion parameters, and to make the lowest manufacturing cost of the mechanism. This method applies to the accuracy of general open-chain institutions.