Affiliation: | 1.School of Mechanical Engineering, Southwest Jiaotong University, Chengdu, 610031, China ;2.Key Laboratory of High-speed Railway Engineering, Ministry of Education, Chengdu, 610031, China ;3.Institute of railway research, University of Huddersfield, Huddersfield, HD1 3DH, UK ;4.State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu, 610031, China ; |