1. Lecturer, Train and Track Research Institute, State Key Laboratory of Traction Power, Southwest Jiaotong Univ., Chengdu 610031, China; Collaborative Researcher, State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian Univ. of Technology, Dalian 116024, China.
2. Professor, Train and Track Research Institute, State Key Laboratory of Traction Power, Southwest Jiaotong Univ., Chengdu 610031, China.
3. Professor and Director, Train and Track Research Institute, State Key Laboratory of Traction Power, Southwest Jiaotong Univ., Chengdu 610031, China (corresponding author).