Affiliation: | ae-Engineering Research Center, Korea Institute of Machinery & Materials (KIMM), 171 Jang-Dong, Yuseong-Gu, Daejon 305-343, Republic of Korea bDivision of Industrial & Information Systems Engineering, Ajou University, San 5, Wonchun-Dong, Yeongtong-Gu, Suwon 443-749, Republic of Korea cDepartment of Mechanical Engineering, Korea Institute of Science & Technology (KAIST), 373-1 Gusong-Dong, Yuseong-Gu, Daejeon 305-701, Republic of Korea |