Affiliation: | 1. Kuono Lab, Department of Electrical Engineering, University of Tokyo, 7 Hongo, Bunkyo-ku, Tokyo, Japan;2. Chubu Electric Power Co. Ltd., 1 Higashi-shinmachi, Higashi-ku, Nagoya, Japan;3. Mitsubishi Electric Co. Ltd., 80 Nakano Minamishimizu, Amagasaki, Japan |