Affiliation: | 1.National Institute of Technology, Yuge College, Yuge 1000, Kamijima, Ochi, Ehime, 794-2593, Japan ;2.Nagaoka University of Technology, Kamitomioka 1603-1, Nagaoka, Niigata, 940-2188, Japan ;3.Tokyo Metropolitan College of Industrial Technology, Higashi-Ooi 1-10-40, Shinagawa, Tokyo, 140-0011, Japan ;4.Tokyo Metropolitan University, Asahigaoka 6-6, Hino, Tokyo, 191-0065, Japan ; |