Journal of Power Electronics

The Korean Institute of Power Electronics (전력전자학회)
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Anti-windup Integral-Proportional Controller for Variable-Speed Motor Drives

  • Park, Jong-Gyu (Dept. of Electrical Engineering, Gyeongsang National University) ;
  • Chung, Jae-ho (Dept. of Electrical Engineering, Gyeongsang National University) ;
  • Shin, Hwi-Beom (Dept. of Electrical Engineering, Gyeongsang National University)
  • Published : 2002.04.01
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Abstract

The windup phenomenon appears and degrades control performance when a controller with integrating action is used and plant input is limited. An anti-windup integal-proportional(IP) controller is proposed for the variable-speed moter drives and it is experimentally applied to the speed control of a vector-controlled induction moter driven by a pulse width modulated (PWM) voltage source inverter (VSI). The consistency range of the IP controller is firstly derived and the intergal state is controlled to salisfy always the consistency range according to whether the the controller output is saturated or not. Although the operating condition like moter load or speed command is changed under the limited plant input, It is expermentally verified that the speed response has much improved performance, such as no overshoot and fast settling time, and the maximmum plant input is also effectively utilized.

Keywords

References

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