1. School of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha, China
2. School of Automobile and Mechanical Engineering, Changsha University of Science and Technology, China
3. State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha, China
4. Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, ON, Canada