1. J. Mike Walker 66’ Department of Mechanical Engineering, Texas A&M University 3123 TAMU, College Station, Texas 77843, USA
2. Korea Institute of Industrial Technology, 89 Yangdaegiro-gil, Ipjang-myeon, Seobuk-gu, Cheonan-si, Chungnam-do 31056, South Korea
3. Department of Mechatronics Engineering, Korea Polytechnic University, Sangidaehak-ro, Siheung-si, Gyeonggi-do 429793, South Korea