基于模糊自适应PID控制的电厂锅炉风机系统研究

Rong Panxiang, Li Chao, Han Leng
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引用次数: 0

摘要

锅炉风机系统是一个非线性、强干扰、大滞后的复杂系统,常规控制理论难以达到令人满意的控制性能。根据电厂锅炉风机系统的特点,将模糊控制应用于常规PID控制器参数定值的规律和推理机理,设计了一种模糊自适应PID控制器,利用模糊推理方法实现了PID参数的在线自整定。仿真结果表明,该控制方案优于传统的PID控制效果,具有良好的动态特性和稳定性。
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The research on the draught fan system of the power plant boiler based on fuzzy adaptive PID control
Draught fan system of boiler is a nonlinear, strong interference and large delay complexity system, conventional control theory is difficult to achieve satisfactory control performance. According to the characteristics of the power plant boiler draught fan system, this paper puts the rules and reasoning mechanism of fuzzy control application in the parameters calibration of the conventional PID controller and design a fuzzy adaptive PID controller, using fuzzy reasoning method to achieve PID parameters on-line self-tuning. Simulation results show that the control scheme is superior to the conventional PID control's effect, and has good dynamic characteristics and stability.
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