1. Department of Creative Engineering National Institute of TechnologyKushiro College Kushiro Hokkaido Japan
2. Takenaka Research & Development Institute Inzai Chiba Japan
3. Sumitomo Life Insurance Company Chuo‐ku Tokyo Japan
4. Department of Systems Innovation Engineering Iwate University Morioka Iwate Japan
5. Graduate School of Engineering Hokkaido University Sapporo Hokkaido Japan
6. Chimura Nature Club Hadano Kanagawa Japan