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EV용 내부 매입형 동기식 전동기에 대한 회전체 구조설계에 대한 연구
오승태(Seung Tae Oh),최소해(So Hae Cho),최진우(Jin Woo Cho),차창환(Chang Hwan Cha) 대한기계학회 2011 대한기계학회 춘추학술대회 Vol.2011 No.10
This paper provides background and summary information for recent machine parametric studies and the analysis of rotating shaft design on IPM (Interior Permanent Magnet) in EV (Electric Vehicle). Also, This research deals with the natural frequency and mode shape of rotating shaft of Interior Permanent Magnet Motor with bearing stiffness by FEA (Finite Element Analysis) S/W. We present the natural frequency characteristic variation of rotating shaft according to change bearing stiffness and operation speed condition. Presented design method will apply to the IPM motor design to be simple, compact and effective design for IPM motor in EV.