1. Automotive and Mechanical Engineering, Changsha University of Science & Technology, Changsha, China;
2. Hunan Province Key Laboratory of Safety Design and Reliability Technology for Engineering Vehicle, Changsha University of Science & Technology, Changsha, China;
3. Key Laboratory of Highway Engineering of Ministry of Education, Changsha University of Science & Technology, Changsha, China;
4. School of Traffic and Transportation Engineering, Changsha University of Science & Technology, Changsha, China;
5. China Automotive Technology and Research Center, Tianjin, China