机载光电跟瞄平台的模糊自适应PID跟踪控制

Fuzzy Self-Adaptive PID Tracking Control for Airborne EO Tracking and Pointing Platform

为提高机载光电跟瞄平台的跟踪性能,将模糊控制与PID控制相结合,通过改变模糊控制器输入与输出变量的论域,来提高模糊PID控制器的适应性,以改善光电跟瞄平台的控制性能。仿真结果表明,该方法能够减小超调量,缩短响应时间,提高控制精度,具有较好的鲁棒性。

In order to improve the tracking performance of airborne electro-optical tracking and pointing platform,fuzzy control was used together with PID control .The adaptability of the Fuzzy PID controller was improved by changing the fuzzy input and output variables,thus can enhance control performance of the airborne electro-optical tracking and pointing platform .Simulation results show that the method has preferable robustness,and can decrease overshoot,shorten response time and improve control accuracy .