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针对电厂主汽温度系统参数时变的特点,常规单控制器难以取得满意控制效果,提出了基于模糊多模型的专家PID控制方法。仿真结果表明,主汽温度在负荷变化的扰动下,能适应对象参数的变化并表现出良好的控制品质。
Aiming at the time-varying characteristics of main steam temperature system parameters in power plant, it is difficult to obtain the satisfactory control effect by the conventional single controller, and the expert PID control method based on fuzzy multi-model is proposed. The simulation results show that the main steam temperature can adapt to the changes of the object parameters and show good control quality under the disturbance of load changes.