1. School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing, People’s Republic of China
2. LNM, Institute of Mechanics, Chinese Academy of Sciences, Beijing, People’s Republic of China
3. Locomotive and Car Research Institute, China Academy of Railway Sciences Corporation Limited, Beijing, People’s Republic of China
4. CRRC Qingdao Sifang Co., Ltd, Qingdao, People’s Republic of China