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원종식(Jongsik Won),정영호(Youngho Jung),김병환(Byeonghwan Kim),강병희(Byenghee Kang),박경호(Kyoungho Park) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
There are various methods to increase driving distance of electric vehicles(EV). One of them is the improved driving efficiency of the traction motor. In terms of electrical design, reduction of electrical losses is essential to improve the energy efficiency. In addition, lightweight design of the motor is also important. The lightweight design increase power density(kW/kg) of the motor, and it means higher product value of the motor itself. In this study, a topology optimization technique is applied to reduce housing weight and to optimize housing surface vibration and radiated noise.