1. Development Group for Creative Research Engineers of Convergence
Mechanical System, School of Mechanical Engineering, College of Engineering, Korea University, Anam-Dong,
Seongbuk-Gu, Seoul 136-713, Republic of Korea
2. School of Mechanical Engineering,
College of Engineering, Korea University, Anam-Dong, Seongbuk-Gu, Seoul 136-713, Republic of Korea