*Tanaka Shinya1, Kazuhito Hikima2, Yoshiaki Hisada3 (1.Tokyo Electric Power Services Co., Ltd., 2.Tokyo Electric Power Company, 3.Kogakuin University)
convener:Seiji Tsuno(Railway Technical Research Institute), Chairperson:Kazuhito Hikima(Tokyo Electric Power Company Holdings, Inc.), Chairperson:Tomoki Hikita(Kajima Corporation)