1. Department of Mechanical
Engineering, Sungkyunkwan University, Suwon, 440-746, Republic of Korea
2. Coastal & Environmental Engineering Division, Korea Institute of Ocean Science and Technology (KIOST), Ansan 15627, Gyeonggi, Republic of Korea
3. Enjet Inc., Suwon 16676, Republic of Korea
4. Department of Mechatronics Engineering, Gyeongnam National University of Science and Technology, Jinju, 52725, Republic of Korea