1. Smart Transport Key Laboratory of Hunan Province, Central South Univ., Changsha 410075, China.
2. Key Laboratory of Traffic Safety on Track, Ministry of Education, Central South Univ., Changsha 410075, China.
3. Joint International Research Laboratory of Key Technology for Rail Traffic Safety, Changsha 410075, China.
4. Professor, School of Traffic and Transportation Engineering, Central South Univ., Changsha 410075, China (corresponding author). ORCID: .