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전자기 가진력에 의한 BLDC 전동기의 진동 특성 해석
정희준(H.J. Chung),신판석(P.S. Shin),우성현(S.H. Woo) 대한전기학회 2007 대한전기학회 학술대회 논문집 Vol.2007 No.10
This paper deals with the vibration analysis of characteristics for BLDC motor by electromagnetic exciting force. Vibration analysis of electric machine is mainly divided into mechanical and electrical approach. However, it need to execute coupling analysis of mechanical and electrical computation because the vibration sources have relation to each other. Magnetic fields is calculated from Maxwell stress method with electromagnetic finite element method. And magnetic radial force is calculated from previous magnetic fields. With coupled electromagnetic and structure finite element, the vibratory behavior between the phase commutation advancing technique and pulse-width control is investigated in single phase brushless de motor.