〇(M1)KOKI IDE¹, Tappei Nishihara^1,2, Kyotaro Nakamura³, Yoshio Ohshita³, Tomoyuki Kawatsu⁴, Toshiki Nagai⁴, Noboru Yamada⁵, Hayato Kobayashi⁵, Atsushi Ogura^1,6 (1.Science and Technology, Meiji Univ., 2.JSPS Research Fellow DC2 Meiji Univ., 3.Toyota Technological Institute., 4.Komatsu NTC Ltd., 5.Nagaoka Univ. of Technology, 6.Meiji Renewable Energy Laboratory)