1. School of Artificial Intelligence and Automation, Huazhong University of Science and Technology, Wuhan, China
2. School of Civil and Hydraulic Engineering, Huazhong University of Science and Technology, Wuhan, China
3. School of Rail Transportation, Soochow University, Suzhou, China
4. School of Mechanical Engineering and Electronic Information, China University of Geosciences, Wuhan, China