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Design of Traction Motor for Mitigating Energy Consumption of Light Electric Vehicle Considering Material Properties and Drive Cycles
International Journal of Automotive Technology ( IF 1.5 ) Pub Date : 2020-11-12 , DOI: 10.1007/s12239-020-0131-7
Dong-Min Kim , Young-Hoon Jung , Kyoung-Soo Cha , Myung-Seop Lim

Light electric vehicles (LEVs) are usually used as neighborhood electric vehicles (NEVs) for the second vehicle or car-sharing service. For LEVs, it is important to reduce energy consumption to have greater mileage at the same battery capacity. One of the direct ways to decrease energy consumption is the efficiency improvement of the traction motor, which is the main propulsion system. Also, the weight reduction of the traction motor can be a solution to energy usage mitigation. This paper suggested the design process of a traction motor for LEV considering material properties to minimizing the energy consumption of the vehicle. During the design process, vehicle simulation was adopted to calculate energy consumption. In addition, traction motor and battery which are the key components of LEV were mathematically modeled and used in the simulation. Using them, energy consumption was estimated within the change of stack length of the traction motor for some drive cycles. Finally, from these simulations, optimum power density is determined which minimizes energy consumption.



中文翻译:

考虑材料特性和传动周期的减轻轻型电动汽车能耗的牵引电动机设计

轻型电动汽车(LEV)通常用作第二辆汽车或汽车共享服务的邻域电动汽车(NEV)。对于LEV,重要的是减少能耗,以在相同电池容量下行驶更长的里程。降低能耗的直接方法之一是提高牵引电机的效率,这是主要的推进系统。而且,牵引电动机的重量减轻可以是减轻能耗的解决方案。本文提出了一种LEV牵引电机的设计过程,该过程考虑了材料特性以最小化车辆的能耗。在设计过程中,通过车辆仿真来计算能耗。另外,对LEV的关键组件牵引电动机和蓄电池进行了数学建模,并在仿真中使用。使用它们,在某些驱动周期内,在牵引电动机的堆长变化范围内估算了能耗。最后,从这些模拟中,可以确定最佳功率密度,从而将能耗降至最低。

更新日期:2020-11-12
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