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김동현(Donghyeon Kim),오경철(Kyouncheol 0h),여훈(Hoon Yeo),김현수(Hyunsoo Kim) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_3
In this paper, motor sizing and operation algorithm are investigated for a 4 wheel drive (4WD) parallel hybrid electric vehicle (HEV). Firstly, motor sizing is investigated from a viewpoint of utilizing the regenerative braking energy. For a given vehicle weight, the mean and variance of the regenerative power are obtained for federal urban driving schedule(FUDS). Based on the mean and variance of the regenerative power, motor size is selected. In addition, the motor capacity that is required to propel the vehicle from standstill to 30KPH only by the electric energy is obtained for FUDS. Considering the regenerative power in the braking and the motor power in the acceleration, the motor size can be determined. Once the motor capacity is decided, the front and the rear motor size are selected based on the distribution of the traction force and recuperation of the braking energy. In order to evaluate the performance of the 4WD HEV, powertrain models of the HEV such as IC engine, motor, battery, CVT are developed using MATLAB SIMULINK. Using the HEV simulator, performance of the 4WD HEV is evaluated. It is expected that the HEV simulator developed in this study can be used in the initial design of the 4WD HEV such as motor sizing and estimation of the design parameters.
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