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针对机械系统动态优化设计的特点，建立了其数学模型。结合复合形法和变概率方法对传统遗传算法作了改进，以提高其求解效率和避免陷入局部最优。实例计算表明该方法结果正确，这为解决机械系统动态优化设计提供了一种有效的途径。
Aiming at the characteristics of dynamic optimization design of mechanical system, its mathematical model is established. Combined with complex method and variable probability method, the traditional genetic algorithm is improved to improve its solving efficiency and avoid falling into local optimum. The example calculation shows that the method is correct, which provides an effective way to solve the dynamic optimization design of mechanical system.