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채승희(Seung-Hee Chai),이병화(Byeong-Hwa Lee),도상화(Sang-Hwa Do),홍정표(Jung-Pyo Hong),설승기(Seung-Ki Sul),김상민(Sang-Min Kim) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
This paper design a motors well adapted to position sensorless control method based on the high frequency signal injection and proposes a direction to design for sensorless control in interior permanent magnet synchronous motor(IPMSM) as a type of winding. In sensorless control, controller calculates the position of rotor at smallest d-axis inductance from high frequency injection. In order to satisfy this characteristic, this paper designs a motor as a type of winding. Distributed winding is good for sensorless control, because it has low saturation in iron core and better flux distribution than concentrated winding’s. Inductance is calculated by the FEM using frozen permeability method and voltage equations of d-q axis are used to analyze characteristics of IPMSM such as torque, output power, current angle and efficiency.