1. Department of Mechanical Engineering and Intelligent Systems, Faculty of Engineering, Tohoku Gakuin University
2. Department of Engineering, Course of Mechanics and Robotics, National Institute of Technology (KOSEN), Nagano College
3. Student, Advanced Course of Production and Environment System, National Institute of Technology (KOSEN), Nagano College
4. Student, Department of Mechanical Engineering, National Institute of Technology (KOSEN), Nagano College
5. Graduate School of Engineering, Tohoku University
6. Institute for Materials Research, Tohoku University