基于CMAC与PID复合控制的汽轮机功率控制系统

针对汽轮机功率调节过程的非线性特征,提出了将CMAC神经网络与常规PID控制相结合的方法,并将其应用于汽轮机功率控制中。该复合控制方法可以实现前馈与反馈的联合控制,其中前馈控制由CMAC神经网络实现,反馈控制由常规PID控制器实现。通过对比分析CMAC/PID复合控制与常规PID控制的仿真结果,可以看到在不同的扰动因素存在时,CMAC/PID复合控制均能取得较好的控制效果。

Power Regulating System of Turbine Based on CMAC and PID Compound Controller

According to the nonlinear characteristics of turbine in power requlation process,a control method of CMAC combining with conventional PID control is proposed,which is applied to turbine power control.The compound control method can realize the feed-forward control and feedback control,feed-forward control is realized by CMAC neural network and feedback control is realized by PID controller.Through the analysis on the simulation results of CMAC/PID compound controller with PID controller,CMAC/PID compound controller has better control effect in different disturbance factors.