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利用串级控制系统特点，对导前区及惰性区具有多个参数及延迟摄动的锅炉过热汽温鲁棒控制器的设计进行了研究。讨论了权函数的选择，求解了鲁棒PID控制器。仿真结果表明，用本文方法设计的过热汽温控制系统比常规的PID控制具有较好的鲁棒性能。
Based on the characteristics of cascade control system, the design of a robust controller for boiler superheated steam temperature with multiple parameters and delayed perturbation in the lead zone and inert zone was studied. We discuss the choice of weight function and solve the robust PID controller. The simulation results show that the superheated steam temperature control system designed by this method has better robustness than the conventional PID control.