1. School of Mechanotronics & Vehicle Engineering, Chongqing Jiaotong University, Chongqing, People’s Republic of China
2. State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu, People’s Republic of China
3. Chongqing Rail Transit (Group) Co., LTD, Chongqing, People’s Republic of China
4. Bejing Urban Construction Design & Development Group Co., LTD, Chongqing, People’s Republic of China