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Research on fuzzy self-adaptive PI-Smith control in long time-delay system
Authors:WEI Qiu-yue  WANG Wen-qing School of Automation  Xi'an University of Posts    Telecommunications  Xi'an   China
Affiliation:WEI Qiu-yue,WANG Wen-qing School of Automation,Xi'an University of Posts and Telecommunications,Xi'an 710121,China
Abstract:The long time-delay often exists in industrial process.In order to overcome the big overshoot and long regulating time of the long time-delay system control,a new fuzzy self-adaptive PI-Smith control method is proposed.This method combines the Smith predictive control with fuzzy self-adaptive proportional-integral(PI)control.The traditional proportional-integral-derivative(PID)controller in Smith predictive control is replaced by fuzzy PI controller which utilizes the principle of fuzzy control to tune para...
Keywords:self-adaptive  fuzzy PI control  Smith predictive control  long time-delay  
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