*Kaito Takizawa¹, Yoko Ohtomo², Natsuo Okada¹, Shinichiro Nakamura¹, Hirotada Kuroki³, Youhei Kawamura² (1.Graduate School of Engineering, Hokkaido University, 2.Faculty of Engineering, Hokkaido University, 3.Mechatronics Engineering Department, Technical Research Institute, Aoki Asunaro Construction Co.)

*Koki Toyata¹, Ryohei Suzumeji², Yoko Ohtomo¹, Ryosuke Kikuchi¹, Tsubasa Otake¹ (1.Hokkaido Univ., 2.Univ. of Tokyo)

*Yoko Ohtomo¹, Haruki Matsukawa², Yasuhiro Nagashima², Yoshiaki Kon³, Tsubasa Otake¹, Takeshi Kakegawa⁴, Tsutomu Sato¹ (1.Faculty of Engineering, Hokkaido University, 2.Graduate School of Engineering, Hokkaido University, 3.National Institute of Advanced Industrial Science and Technology, 4.Graduate School of Science, Tohoku University, 6-3, Aramaki Aza-Aoba, Aoba-ku, Sendai 980-8578, Japan)

*Yoko Ohtomo¹, Hiromasa Nozaki², Natsuo Okada², Youhei Kawamura¹ (1.Faculty of Engineering, Hokkaido University, 2.Graduate School of Engineering, Hokkaido University)

*Natsuo Okada¹, Takahiko Arima³, Hisatoshi Toriya², Shingo Tomiyama³, Yoko Ohtomo³, Youhei Kawamura³ (1.Graduate School of Engineering, Hokkaido University, 2.Graduate School of International Resource Sciences, Akita University, 3.Faculty of Engineering, Hokkaido University)