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New Fuzzy Controller for High Performance of IPMSM Drive  

이정철 (순천대학교 공과대학 전기제어공학과)
이홍균 (순천대학교 공과대학 전기제어공학과)
김종관 (순천대학교 공과대학 전기제어공학과)
정동화 (순천대학교 공과대학 전기제어공학과)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SC / v.40, no.3, 2003 , pp. 199-207 More about this Journal
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.
Keywords
Direct fuzzy control; New fuzzy controller; IPMSM; High performance; Space vector PWM;
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