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전기차용 2단 Synchro. type 변속 구동 시스템 성능 평가
변성곤(Seongon Byeon),박정우(Jungwoo Park),김연호(Yeonho Kim),이희라(Heera Lee),김백유(Beakyou Kim),김현수(Hyunsoo Kim) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
In this study, a performance simulator for the electric vehicle with two-speed synchro-type transmission was developed. Using the simulator, 2-speed transmission system with selected shifting points and gear ratios were compared with the fixed gear ratio system, and the reduction in the drive motor capacity and the acceleration performance and fuel economy were evaluated. It is found from the simulation results that the maximum velocity, climbing, fuel economy and acceleration performance are improved with 2-speed synchro-type transmission for the same motor specification, and the EV has similar performance with reduced maximum motor torque.