1. School of Traffic and Transportation EngineeringCentral South University Changsha 410075 China
2. Key Laboratory of Traffic Safety on TrackCentral South University, Ministry of Education Changsha 410075 China
3. Joint International Research Laboratory of Key Technology for Rail Traffic SafetyCentral South University Changsha 410075 China
4. National & Local Joint Engineering Research Center of Safety Technology for Rail VehicleCentral South University Changsha 410075 China
5. China Railway Rolling Stock Corporation Qingdao Sifang Co., Ltd. Qingdao 266111 China