Journal of South China University of Technology (Natural Science Edition) ›› 2014, Vol. 42 ›› Issue (9): 107-113.doi: 10.3969/j.issn.1000-565X.2014.09.019

• Automotive Engineering • Previous Articles     Next Articles

A Novel Driving System for Rang- Extended Electric Vehicle

Luo Yu- tao1 Jiang Cui- na1 Liang Wei- qiang2 Lin Xiao- wei3   

  1. 1.School of Mechanical and Automotive Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China; 2.Automotive Engineering Institute,Guangzhou Automobile Group Co.,Ltd.,Guangzhou 510640,Guangdong,China;3.Guangzhou Automobile Group Motor Co.,Ltd.,Guangzhou 511434,Guangdong,China
  • Received:2014-02-21 Revised:2014-05-26 Online:2014-09-25 Published:2014-08-01
  • Contact: 罗玉涛(1972-)，男，教授，博士生导师，主要从事电动汽车设计及理论研究． E-mail:ctytluo@scut.edu.cn
  • About author:罗玉涛(1972-)，男，教授，博士生导师，主要从事电动汽车设计及理论研究．
  • Supported by:

    国家“863” 计划项目(2012AA110702);教育部新世纪优秀人才支持计划项目(NCET-2011-0157)

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Abstract:

In order to improve the dynamic performance and the fuel economy of HEV (Hybrid Electric Vehicle)and to simplify the structure of driving system,a novel multi- mode driving system is proposed for REEV (Rang-Extended Electric Vehicle).Then,all the operating modes and the power flow distribution of the proposed systemare analyzed,and the performances of engine,motor and battery are obtained through a bench test.On this basis,a dynamic model of such key power components as engine,main motor,auxiliary motor and the battery and a vehi-cle simulation model are established by using the Matlab/Simulink software,and the dynamic performance and thefuel economy of the vehicle are simulated.The results show that,as compared with the Volt system,the proposedsystem improves the dynamic performance significantly,increases the maximum speed by 37.5% and decreases thefuel consumption by 24.8%.

Key words: electric vehicles, driving system, multi- mode driving, control strategy, simulation