*Yumena Tsukamoto¹, Kazuhisa Abe², Kazuhiro Koro² (1. Graduate School of Science and Technology, Niigata University, 2. Faculy of Engineering, Niigata University)

*Kenji Narita¹, Munemasa Tokunaga¹, Yuki Nakata¹, Manabu Ikeda¹, Kei Morita² (1. Railway Technical Research Institute, 2. ABE NIKKO KOGYO CO., LTD)

*Shunta Akahoshi¹, Takanori Nakazawa¹ (1. Daitetsu Industrial)

*Mitsugu Morita¹, Jun Takezawa¹, Tsukasa Sakamoto¹ (1. DAITETSU KOGYO)

*Tomoyuki Yamamoto¹, Tadashi Deshimaru¹, Tetsuya Nakano¹ (1. Railway Technical Research Institute)

*Mitsuhiro Tokunaga¹, iku Kouno¹, Tatsuro Nagasawa², Masao Aono³ (1. Kyushu Railway Company, 2. SHIMIZU CORPORATION, 3. JR KYUSHU CONSULTANTS COMPANY)