1. School of Traffic and Transportation Engineering, Central South University, Changsha 410075, Hunan, China
2. Key Laboratory of Traffic Safety on Track, Ministry of Education, Changsha 410075, Hunan, China
3. Joint International Research Laboratory of Key Technology for Rail Traffic Safety, Changsha 410075, Hunan, China
4. National and Local Joint Engineering Research Center of Safety Technology for Rail Vehicle, Changsha 410075, Hunan, China