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