〇Kazumasa Fujimura¹, Aki Yanagawa¹, Mashahiro Murakami³, Yoshihiko Iseri², Shoji Okada⁴, Shinjiro Kanae⁵ (1.Meisei University, 2.University of California, Davis, 3.Kochi University of Technology, 4.Kochi National College of Technology, 5.Tokyo Institute of Technology)