1. Manufacturing System R&BD Group, Korea Institute of Industrial Technology, 89 Yangdaegiro-gil, Ipjang-myon, Seobuk-gu, Cheonan, Chungcheongnam-do 31056, Republic of Korea
2. Department of Mechanical Engineering, Hanyang University, Sangnok-gu, Ansan, Gyeonggi-do 15588, Korea
3. Department of Mechanical Engineering, Gachon University, 1342 Seongnamdaero, Sujeong-gu, Seongnam 461-701, Gyeonggi-do, Korea