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