1. School of Mechanical-Electronic and Automobile Engineering, Beijing University of Civil Engineering and Architecture, 1 Zhanlanguan Rd., Xicheng District, Beijing 100044, China (Corresponding author), e-mail: virgilee@163.com, https://orcid.org/0000-0003-3713-0426
2. Beijing Key Laboratory of Performance Guarantee on Urban Rail Transit Vehicles, School of Mechanical-Electronic and Automobile Engineering, Beijing University of Civil Engineering and Architecture, 1 Zhanlanguan Rd., Xicheng District, Beijing 100044, China