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. Institute for Materials Research, Tohoku University
5. Graduate School of Engineering, Tohoku University
6. Department of Mechanical Systems Engineering, College of Engineering, Ibaraki University