Institution: | aDepartment of Electrical Engineering, Kochi National College of Technology, 200-1 Monobe-Otsu, Nankoku, Kochi 783-8508, Japan;bRailway Technical Research Institute, 2-8-38 Hikari-cho, Kokubunji-shi, Tokyo 185-8540, Japan;cJR Soken Engineering Co., Ltd., 1-39-23 Hikari-cho, Kokubunji-shi, Tokyo 185-0034, Japan |