1. Institute of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
2. College of Mechanical Engineering, Guangxi University, Nanning 530004, China
3. Hunan Province Key Laboratory of Safety Design and Reliability Technology for Engineering Vehicle, Changsha University of Science & Technology, Changsha 410004, China
4. School of Automobile and Transportation, Guangxi University of Science and Technology, Liuzhou 545006, China