分析了平面StephensonⅢ六杆机构综合的现状 ,综合各种优化方法后 ,对混沌算法和遗传算法的混合进行了分析。利用混沌运动的遍历性、内在随机性、“规律性”以及对初值的敏感性等特点 ,结合遗传优化算法 ,提出了混沌遗传算法。运用MATLAB6.1高级程序设计语言编制了计算程序 ,对平面StephensonⅢ型六杆机构的函数发生器综合 ,从而找到了实现最大精确点时该问题的一批有意义的解 ,为实际机构的设计提供了多种选择方案 The current status of the planar Stephenson III six-bar mechanism is analyzed. After the various optimization methods are combined, the hybrid of chaos algorithm and genetic algorithm is analyzed. By using the characteristics of ergodicity, internal randomness, regularity and sensitivity to initial values ​​of chaotic motions, combined with genetic algorithm, a chaos genetic algorithm is proposed. Using MATLAB6.1 high-level programming language, a calculation program is compiled to synthesize the function generator of the plane Stephenson III type six-bar mechanism, so as to find a series of meaningful solutions to the problem of realizing the maximum precision point, and provide the design of the actual mechanism A variety of options