1. School of Mechanical Engineering, Southwest Jiaotong University, Chengdu, People’s Republic of China
2. State Key Laboratory of Rail Transit Vehicle System, Southwest Jiaotong University, Chengdu, People’s Republic of China
3. State Key Laboratory for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an, People’s Republic of China
4. Technology Center, CRRC Qingdao Sifang Rolling Stock Research Institute CO., LTD., Qingdao, People’s Republic of China