Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, Bldg. 25, Room 202, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan
Prof. Hiroaki Onoe
Department of Mechanical Engineering, Faculty of Science and Technology, Keio University, Bldg. 25, Room 202, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama, Kanagawa 223-8522, Japan