*Hisami Takeishi¹, Ryo Onishi¹, Feng Xiao¹, Toshiharu Kagawa² (1. School of Engineering, Department of Mechanical Engineering, Tokyo Institute of Technology, 2. Tokyo Institute of Technology)

*Rui Zhao¹, Zhengxuan Zuo¹ (1. Beijing Institute of Technology)

*Takeru Yano¹, Masashi Inaba¹, Haruki Yamamoto¹ (1. Osaka University)

Rohit Sankaran Iyer¹, Dong Hyeon Kim², Tae Ho Kim¹, *Heuy Dong Kim¹ (1. Andong National University, 2. Korea Railroad Research Institute)

*Yoshitaka Higa¹, Masanobu Matsunaga², Chihiro Fujio², Hideaki Ogawa², Kiyonobu Ohtani³, Taro Handa¹ (1. Toyota Technological Institute, 2. Kyushu Univ., 3. Tohoku Univ.)