1. College of Engineering, Zhejiang Normal University, Jinhua, China
2. Key Laboratory of Urban Rail Transit Intelligent Operation and Maintenance Technology & Equipment of Zhejiang Province, Zhejiang Normal University, Zhejiang, China
3. School of Transportation and Logistics, Southwest Jiaotong University, Chengdu, China
4. School of Transportation and Logistics Engineering, Taiyuan University of Science and Technology, Taiyuan, China