基于混沌遗传NPID的TRT励磁控制器  

TRT Excitation Controller Based on Chaotic Genetic NPID

作　　者：刘刚[1] 李华德[1] 曹勇[1] 

机构地区：[1]北京科技大学信息工程学院,北京100083

出　　处：《电气传动》2009年第4期43-46,共4页Electric Drive

基　　金：北京市重点自然科学基金资助项目(KZ200410005005)

摘　　要：针对PID控制器的局限性,基于非线性跟踪微分器,为TRT励磁控制系统设计了一个双环非线性PID控制器。并将混沌优化算法与遗传算法相融合,对非线性PID励磁控制器参数进行优化,解决了一般非线性PID控制器参数整定的难题。仿真结果表明,NPID控制器提高了发电机机端电压的控制精度,改善了电压的调节品质,而且增强了控制系统的鲁棒性。Aiming to overcome the weakness of PID controller, a excitation controller of voltage leedback and speed feedback was designed based on nonlinear tracking-differentiator. It is combined with chaos method and genetic algorithm, and tunes the parameters of NPID excitation controller by using the optimization algo- rithms. Simulation result shows NPID excitation controller can improve not only the voltage characteristic, the steady state stability and transient stability of power system, but also has the good performance of speediness tracking and strong robust.

关 键 词：同步发电机 励磁控制 非线性PID 遗传算法 

分 类 号：TM351[电气工程—电机]