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It is very important for a battery electric vehicle to improve energy utilization efficiency because of limited energy storage on board. According to different viewpoint and requirements for battery electric vehicles, four kinds of evaluation methods were established, respectively. Analysis and comparison between different evaluation methods were performed with the help of simulation and bus demonstration...
This paper presents the analysis and novel controller design for a hybrid switched-capacitor bidirectional dc/dc converter that is applicable for hybrid electric vehicle (HEV)/plug-in HEV energy-storage system (ESS) applications, based on the power of the traction motor and the gradient of the battery current. Features of voltage step-down, voltage step-up, and bidirectional power flow are integrated...
The research of energy storage systems in the DC link of a machine tool is focused on the choice of the appropriate type of the energy storage system (passive or active) and its control strategy considering better energy efficiency. For the control strategy of the DC/DC converter two ways were taken into account: the proportional-integral and predictive control strategies. The energy consumption model...
In this paper, an energy recovery system with Electric Double-Layer Capacitor (EDLC) for motor drive systems is presented. The basic principle of the proposed control scheme and the energy losses consumed in an energy recovery system are discussed in detail. Digital computer simulation results indicate that the energy-saving effect by the injection molding machine was improved by 49%.
As is well known, plug-in hybrid electric vehicles (PHEVs) are predominantly dependant on the energy storage system (ESS), compared to regular HEVs. although the series PHEV topology has been recently targeted as the prime choice for PHEV applications, it is unclear as to whether or not it is indeed the most efficient option. This paper models PHEVs in both series and parallel structures by using...
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