*Yusuke Oyama¹, Toshio Murayama² (1. Toin University of Yokohama, 2. Faculty of Engineering, University of Niigata)

*Masataka Asakawa^1,2, Kenta Otsubo⁴, Ksuga Kosho³ (1. Shubun Univ., 2. Gifu Univ., 3. Gifu Univ., 4. Hyogo Univ of Teacher Education)

*Kaito Takamatsu¹, Kenta Otsubo^2,3, Koushou Kasuga⁴ (1. Graduate School of Gifu University, 2. Grad School of Hyougo University of Teacher Edu, 3. JSPS Reseach Felloship for young scientists, 4. Gifu University)