1. Key Laboratory of Intelligent Operation and Maintenance Technology and Equipment for Urban Rail Transit of Zhejiang Province, Institute of Precision Machinery and Smart Structure, College of Engineering, and the Research Center for Micro-Nano Device and System, College of Mathematical Medicine, CUSTech Institute of Technology, Zhejiang Normal University, Zhejiang, Jinhua, China
2. Department of Mechanical Engineering, Graduate School of Science and Engineering, Division of Fundamental Engineering, Chiba University, Chiba, Japan