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| A Power Distribution Control Strategy of Hybrid Energy Storage System in Hybrid Electric Vehicles |
| Wang Qi1, Sun Yukun2, Luo Yinsheng1 |
1. School of Electrical & Information Engineering Jiangsu University of TechnologyChangzhou 213001 China;
2. School of Electric Power Engineering Nanjing University of Technology Nanjing 211167 China |
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Abstract This paper studied a power distribution control strategy of hybrid energy storage system (HESS) in hybrid electric vehicles (HEV). In HESS, battery is as a main power source and an ultra-capacitor (UC) is as an auxiliary power source. Regarding the power stage of energy conversion, a boost converter is connected with the main source and a buck-boost converter is connected with the auxiliary source. The objectives of the control strategy are as follows: ① stabilize DC bus voltage regulations, ② perfectly trace the current reference of super capacitor, ③ achieve asymptotic stability of the closed loop system. The HESS and control strategy are modelled and simulated under the Matlab Advisor simulation environment, and a prototype of HESS is also built. The results show that the designed control strategy meets all the objectives. It can make full use of the advantages of battery and UC.
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Published: 10 October 2017
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| Fund:国家自然科学基金重点项目（51377074）、江苏省自然科学基金青年基金（BK20140568）、江苏省高等学校自然科学研究面上项目（17KJB470003）和江苏理工学院校人才引进项目（KYY15009）资助 |
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2017, Vol. 32 
