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Control Method for Minimizing Thrust Ripple of PM Excited Transverse Flux Linear Motor  

안종보 (한국전기연구원 Mechatronics 연구그룹)
강도현 (한국전기연구원 Mechatronics 연구그룹)
김지원 (한국전기연구원 Mechatronics 연구그룹)
정수진 (영남대학교 전기공학과)
임태윤 (영남대학교 전기공학과)
박준호 (부산대학교 전기공학과)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.53, no.1, 2004 , pp. 16-23 More about this Journal
Abstract
Permanent magnet-excited transverse flux linear motor(TFLM) is known to have more excellent ratio of force to weight than any other linear motors. But, thrust generated by phase current is non-linear with regard to current and relative position like switched reluctance motor. This makes current and speed controller design difficult. This paper presents a method on minimization of thrust ripple of permanent magnet-excited transverse flux linear motor. Using genetic algorithm(GA), optimal current waveform can be found under the constraint conditions such as current limit, minimum of ohmic loss and limited rate of change of current etc. The effectiveness is verified through computer simulation and experimental test results.
Keywords
Permanent magnet-excited transverse flux linear motor; Speed control; Thrust ripple; Genetic algorithm; Optimization technique; Thrust;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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