Optimal power split and sizing of hybrid energy storage system for electric vehicles

Optimal power split and sizing of hybrid energy storage system for electric vehicles
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DOI：
10.1109/itec.2014.6861861
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发表时间：
2014-06
期刊：
2014 IEEE Transportation Electrification Conference and Expo (ITEC)
影响因子：
--
通讯作者：
Junyi Shen;A. Hasanzadeh;A. Khaligh
Junyi Shen;A. Hasanzadeh;A. Khaligh
中科院分区：
其他
文献类型：
--
作者：
Junyi Shen;A. Hasanzadeh;A. Khaligh

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本文针对电动汽车 (EV) 中混合储能系统 (HESS) 的规模确定和功率分配优化之间的相互依赖性。特别是，以高能量（HE）密度电池和超级电容器（UC）混合系统为基准进行研究。制定凸优化问题来优化电池和 UC 离线之间的功率分配。基于功率分配优化结果，开发了 HESS 尺寸优化问题，以最小化 HESS 重量并满足 EV 的行驶里程和加速时间规格。
This paper targets the interdependence between sizing and power split optimization of hybrid energy storage systems (HESS) in electric vehicles (EV). In particular, a high energy (HE) density battery and an ultracapacitor (UC) hybrid system is investigated as a benchmark. A convex optimization problem is formulated to optimize the power split between battery and UC offline. Based on the power split optimization result, a HESS sizing optimization problem is developed to minimize the HESS weight and to fulfill the EV specifications of driving range and acceleration time.