*Nozomi Takahashi¹, Ryutaro Matsumura¹, Yuri Shinohara², Hiroyuki Kawata³, Tomonari Inamura¹ (1. Institute of Innovative Research, Tokyo Tech, 2. Graduate School of Informatics and Engineering, The University of Electro-Communications, 3. Nippon Steel Corporation)

*Takuma Masukawa¹, Nobuo Nakada², Ryota Nagashima³ (1. Tokyo Tech., 2. Tokyo Tech., 3. Tokyo Tech.)

*Wenbo Zhao¹, Hiroyuki Dannoshita², Ryota Nagashima³, Nobuo Nakada⁴ (1. Tokyo Tech., 2. Tokyo Tech., 3. Tokyo Tech., 4. Tokyo Tech.)

*Kazuki Tamura¹, Masahide Natori², Nobuo Nakada³, Susumu Onaka⁴ (1. NSK, 2. NSK, 3. Tokyo Tech., 4. Tokyo Tech.)