Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Fuzzy PID Controller Design and Auto Tuning

퍼지 PID 제어기 설계 및 자동 동조

  • Im, Jeong-Heum (School of Electronics & Information, Chonbuk Nat. Univ.) ;
  • Lim, Hyung-Soon (School of Electronics & Information, Chonbuk Nat. Univ.) ;
  • Lee, Chang-Goo (School of Electronics & Information, Chonbuk Nat. Univ.)
  • 임정흠 (전북대학교 전자 정보 공학부) ;
  • 임형순 (전북대학교 전자 정보 공학부) ;
  • 이창구 (전북대학교 전자 정보 공학부)
  • Published : 2000.07.17
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Abstract

In this paper, we re-analyzed the fuzzy controller as conventional PID controller structure, and proposed a self tuning fuzzy PID controller whose input output scaling factors were tuned automatically. At first stage, the tuning parameters of fuzzy controller were determined by Ziegler-Nichols tuning method and then they were adjusted as the delay time and process environment were changed. Proposed controller was simple in its structrue and computational burden was small so that on line adaptation was easy to apply to. The result of computer simulation and practical experiment showed the proposed controller's excellent performance

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