改进差异演化算法在机械优化设计中的应用

Application of Modified Differential Evolution Algorithms in Optimization of Mechanical Design

将差异演化算法应用于机械优化设计问题,具体分析了差异演化算法的基本原理和步骤。同时,为进一步提高该算法求解效率,提出双优变异和混沌迁徙操作,最后通过两个机械优化设计实例进行仿真试验,结果表明该求解方法收敛速度快、稳健性强。

Differential evolution algorithm is applied to optimization problem of mechanical design and the basal theory and steps are analysed. At the same time, double best mutation operation and chaos migration operation are proposed to improve differential evolution algorithm's optimized performance. The algorithm is tested through two mechanical design numerical cases and the simulated result shows differential evolution algorithm has rapid speed of convergence and strong steadiness.