1. Department of Mechanical Engineering, Kumoh National Institute of Technology, Gumi 39177, Gyeongbuk, Republic of Korea
2. Korea Institute of Robotics & Technology Convergence, Pohang 37553, Gyeongbuk, Republic of Korea
3. Department of Mechanical System Engineering, Kumoh National Institute of Technology, Gumi 39177, Gyeungbuk, Republic of Korea