1. Department of Mechanical Engineering, The University of Tokyo, Tokyo 113-8656, Japan
2. Department of Cogno-Mechatronices Enginerring, Pusan National University, Pusan 46241, Republic of Korea
3. Department of Mechanical Engineering, Pusan National University, Pusan 46241, Republic of Korea
4. Ground Technology Research Institute, Agency for Defense Development, Daejeon 34186, Republic of Korea
5. Department of Optics and Mechatronics Engineering, Pusan National University, Pusan 46241, Republic of Korea