Journal of South China University of Technology(Natural Science Edition) ›› 2011, Vol. 39 ›› Issue (11): 138-143.

• Automotive Engineering • Previous Articles     Next Articles

Safety Simulation and Experimental Investigation of Rear-End Collision of HEV

Ye Zi-bo1  Fu Xing-feng2  Zhou Si-jia3   

  1. 1. School of Mechanical and Automotive Engineering,South China University of Technology,Guangzhou 501640,Guangdong,Chin; 2. Automotive Engineering Institute,Guangzhou Automobile Group Co.,Ltd.,Guangzhou 501640,Guangdong,China; 3. School of Mechanical Engineering,Wenzhou University,Wenzhou 325035,Zhejiang,China
  • Received:2011-04-06 Revised:2011-06-08 Online:2011-11-25 Published:2011-10-03
  • Contact: 叶子波(1980-) ，男，博士后，主要从事汽车碰撞CAE 分析研究． E-mail:meyezibo@scut.edu.cn
  • About author:叶子波(1980-) ，男，博士后，主要从事汽车碰撞CAE 分析研究．
  • Supported by:

    国家军品配套科研项目( JPPT-115-5-1805) ; 浙江省公益技术应用研究项目( 2011C31SA300038)

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Abstract:

According to the structural characteristics of a domestic hybrid electric vehicle ( HEV) ,a simulation model to describe the rear-end collision is established based on the finite element analysis to analyze and optimize the safety of the vehicle. Then,the bending mode,the torsional mode and the torsional stiffness of the HEV are calculated and compared with those of the prototype vehicle. Moreover,by controlling the displacements in both the X direction of power battery box and the Z direction of hook at the upper backrest of back row seat,the existing structure and safety of the whole-vehicle rear-end collision are optimized and redesigned. The results show that the HEV comes up to the standard of conventional vehicles in terms of bending mode,torsional mode and torsional stiffness,etc. The rear-end collision test of a real vehicle proves that the improved security structure meets the design requirements well.

Key words: hybrid electric vehicle, rear-end collision test, safety, finite element analysis, experimental investigation