1. Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education), School of Mechanical Engineering, Shandong University, Jinan, China
2. College of Automobile and Mechanical Engineering, Changsha University of Science and Technology, Changsha, China
3. Key Laboratory of Traffic Safety on Track of Ministry of Education, School of Traffic and Transportation Engineering, Central South University, Changsha, China
4. Joint International Research Laboratory of Key Technology for Rail Traffic Safety, Central South University, Changsha, China