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전태원(T.W. Chun),T.T Vu(트란탄부),이홍희(H.H. Lee),김흥근(H.G. Kim),노의철(E.C. Nho) 전력전자학회 2010 전력전자학술대회 논문집 Vol.2010 No.7
In this paper, the low-cost drive circuit of dc motor for a multipurpose small-size electric vehicle is developed. In order to change smoothly the rotating direction of dc motor for traction, the operating sequence of both the field current and the armature voltage according to the angle of a pedal of vehicle is suggested. The simulation study is carrier out to verify the proposed method, and the control system is implemented with 8-bit AVR.