Optimal power split and sizing of hybrid energy storage system for electric vehicles
Transportation Electrification Conference and Expo（2014）
摘要
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.
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关键词
battery powered vehicles,convex programming,secondary cells,supercapacitors,ev,he density battery,hess optimal power sizing optimization problem,uc hybrid energy storage system,convex optimization problem,electric vehicles,high energy density battery,optimal power split optimization problem,ultracapacitor hybrid system,hess sizing,convex optimization,power split,ultracapacitor,optimization,acceleration,convex functions
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