1. Key Laboratory of Intelligent Operation and Maintenance Technology and Equipment for Urban Rail Transit of Zhejiang Province, Zhejiang Normal University, Jinhua, Zhejiang, China
2. School of Engineering, Zhejiang Normal University, Jinhua, Zhejiang, China
3. State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu, China
4. Xingzhi College, Zhejiang Normal University, Lanxi, Zhejiang, China