제어로봇시스템학회:학술대회논문집

제어로봇시스템학회 (Institute of Control, Robotics and Systems)
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Autotuning fuzzy PID controller for position control of DC servo motor

  • Park, Jong-Kun (Department of Electrical Engineering, Chonnam National University) ;
  • Lim, Young-Cheol (Department of Electrical Engineering, Chonnam National University) ;
  • Cho, Kyeng-Young (Department of Electrical Engineering, Chonnam National University) ;
  • Ryoo, Young-Jae (Department of Electrical Engineering, Chonnam National University) ;
  • Oh, Dong-Hwan (Department of Electrical Engineering, Chonnam National University) ;
  • Wi, Seog-O (Department of Electrical Engineering, Chonnam National University) ;
  • Lee, Hong-Soo (Department of Electrical Engineering, Chonnam National University)
  • 발행 : 1994.10.01
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초록

This paper describes an autotuning fuzzy PID controller for a position control of DC serve motor. Because ZNM(Ziegler-Nichols Method) with relay feedback has the difficulty in re-tuning the PID parameters and adaptive method has complex algorithm, a new method to overcome those problems is required. The proposed scheme determines the initial PID gains by using ZNM with relay feedback, and then re-tunes the optimal PID parameters by using fuzzy expert system whenever control conditions are changed. To show the validity of the proposed method, a position control of DC servo motor is illustrated by computer simulation and is experimented by a designed controller.

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