Affiliation: | 1.Graduate School of Mechanical Engineering, Sogang University, Seoul, Korea ;2.R&D Center, Hanchang Ind. Co., Ltd, 227-14 Amsogogae-ro, Hwasung-si, Gyeonggi-do, Korea ;3.R&D Center, Samjungtech Co., Ltd., 257 Jungang-daero, Uichang-gu, Changwon-si, Gyeongsangnam-do, Korea ;4.Department of Mechanical Engineering, Sogang University, Seoul, Korea ; |