遗传算法PID参数优化的改进

The improve of PID controller of genetic algorithm

介绍了遗传算法的基本原理 ,并针对简单遗传算法在PID控制中存在的问题进行了分析 ,提出在不同情况下采用不同的变异概率的方法 ,并分别进行了实验仿真。仿真结果表明 ,用改进的遗传算法优化PID参数 ,可以提高优化性能 ,对控制系统具有良好的控制精度。

In this paper,the principle of Genetic Algorithm is presented.The problem is analyzed which exists in PID control of the simply Genetic Algorithm,The introduce of the adaptive mutation probability is proposed.The simulation results show that the effect of optimized is higher;the accuracy,dynamics and robust performance are improved,using the improved Genetic Algorithm to optimize PID parameter.