基于遗传算法的混沌系统二自由度比例-积分-微分控制研究

二自由度比例-积分-微分(PID)控制算法简单、实用，但将其应用于复杂非线性系统控制时参数整定困难.运用改进的遗传算法进行二自由度PID控制器参数优化，参数优化的收敛速度快、准确，将其应用于Chen氏混沌系统和同步电动机混沌系统的控制中，仿真研究收到良好的控制效果. 关键词： 混沌系统 遗传算法 比例-积分-微分控制

Research on genetic algorithm optimization based on PID control with two degrees of freedom controller for chaotic system

The proportional-integral-derivative (PID) control algorithm with two degrees of freedom are easy and useful. But when they are applied to nonlinear systems, the parameters are difficult to tune. Using improved genetic algorithm to optimize parameters of PID controller with two degrees of freedom, the convergence rate of parameter optimization is rapid and accurate. When applied to Chen's chaotic system and synchronous motor chaotic system, good results are obtained in simulation experiments.