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This paper studies the optimal sizing and the experimental verification of a vehicle-used hybrid energy storage system (HESS). To determine the optimized combination that maximizes the traveling distance at an FTP driving pattern, an exhaustive search method was employed. Under constraints of cost, vehicle acceleration, and HESS gross weight, the optimal sizing can be derived. Next, for the purpose...
The battery performance relative to the initial conditions such as usable capacity, thermal behavior, and electrical response are correlated to its State-of-Health (SOH) that determines its remaining life cycles. The most direct and simple way for estimating the SOH is to measure or estimate the electrical characteristics of the battery. Such the characteristics can be modeled by equivalent circuit...
For verifying the strategy of the vehicle control unit(VCU), a real-time simulation environment needs to be established in advance. It is modified from our in-house simulator for the electric vehicle (EV) based on the hardware in-the-loop(HIL) structure and constrained by several communication devices, e.g. CAN bus, AI/O, DI/O, etc.. A dual energy storage system (DESS) has been modeled in this simulator...
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