지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2007.10
- 수록면
- 823 - 828 (6page)
이용수
초록· 키워드
오류제보하기
This paper proposes a method of improving the stability in sensor-less control of permanent magnet synchronous motors. The control method for low-speed region is divided into two: One is a high frequency method, which involves a problem of reverse rotation once misdetection of the permanent magnet polarity should occur, and another one is a current drive method, which has a problem that phase and speed oscillations are caused by quick speed changes.
Hence, authors propose adoption of the current drive method for the basic control system with added compensation of stabilization by means of the high frequency method. This combination secures stable control with no risk of reversal and less vibration.
In addition, authors have also considered a frequency separation filter of a shorter delay time so that current control performance will not lower even when high frequencies are introduced. This filter has achieved simplified compensation using repetitive characteristic through the utilization of the periodicity of high frequency current.
Simulation and experiment have been conducted to verify that the stable performance of this system is improved.
Hence, authors propose adoption of the current drive method for the basic control system with added compensation of stabilization by means of the high frequency method. This combination secures stable control with no risk of reversal and less vibration.
In addition, authors have also considered a frequency separation filter of a shorter delay time so that current control performance will not lower even when high frequencies are introduced. This filter has achieved simplified compensation using repetitive characteristic through the utilization of the periodicity of high frequency current.
Simulation and experiment have been conducted to verify that the stable performance of this system is improved.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. THE PRINCIPLE OF OUR PROPOSED CONTROL METHOD
Ⅲ. EVALUATION OF TRANSIENT CHARACTERISTICS
Ⅳ. CONCLUSION
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2009-560-016307128