Journal of the Institute of Electronics Engineers of Korea SC (전자공학회논문지SC)

The Institute of Electronics and Information Engineers (대한전자공학회)
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New Fuzzy Controller for High Performance of IPMSM Drive

IPMSM 드라이브의 고성능 제어를 위한 새로운 퍼지제어기

  • 이정철 (순천대학교 공과대학 전기제어공학과) ;
  • 이홍균 (순천대학교 공과대학 전기제어공학과) ;
  • 김종관 (순천대학교 공과대학 전기제어공학과) ;
  • 정동화 (순천대학교 공과대학 전기제어공학과)
  • Published : 2003.05.01
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Abstract

This paper is proposed new fuzzy controller for high performance of interior permanent magnet synchronous motor(IPMSM) drive. New fuzzy controller take out appropriate amounts of accumulated control input according to fuzzily described situations in addition to the incremental control input calculated by conventional direct fuzzy controller The structures of the proposed controller is motivated by the problems of direct fuzzy controller. The direct controller generally give inevitable overshoot when one tries to reduce rise time of response especially when a system of order higher than one is under consideration. The undesirable characteristics of the direct fuzzy controller are caused by integrating operation of the controller, even though the Integrator itself is introduced to overcome steady state error in response. Proposed controller fuzzily clear out integrated quantities acrording to situation. This paper attempts to provide a thorough comparative insight into the behavior of IPMSM drive with direct and new fuzzy speed controller. The validity of new fuzzy speed controller is confirmed by response results for IPMSM drive system.

종래 직접 퍼지제어기에서는 누적 오차의 발생과 제어입력의 누적으로 인한 과도응답의 성능을 악화시킬 수 있으며 이러한 단점의 보완은 제어입력만으로 결정하기 어렵다. 본 논문에서는 이러한 문제점을 해결하기위해 과도상태에서 나타나는 오버슈트와 상승시간을 고려하기 위해 퍼지제어기를 이용한 재설정 변화분을 설정하며 이를 직접 퍼지제어기에 추가하여 병렬형태로 구성된 새로운 퍼지제어기를 구성한다. 본 논문에서 제시한 새로운 퍼지제어기를 IPMSM 드라이브에 적용하여 새로운 퍼지제어기가 직접 퍼지제어기와 비교하여 응답성능이 우수함을 제시하고 그 타당성을 입증한다.

Keywords

References

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