Affiliation: | (1) Automation and Componenrs Divsion, Korean Agency for Teclutology and Standards, #2 Jungang-dong, Gwacheon, 427-716 Gyeonggi-do, Korea;(2) SamSung Electronics co., LTD., 416, Maetan-dong, Paldal-gu, Suwon, 442-742 Gyeonggi-do, Korea;(3) Department of Automobile & Machinery, SunCheon First College 9-3, Deokwahdong, Suncheon, 540-744 Chonnam, Korea;(4) Department of Mechanical Engineering, Chonnam National University, 300, Yongbong-dong, Buk-gu, 500-757 Gwangju, Korea |