1. Department of Electrical Engineering, Pusan National University 1 , Busan 46241, Republic of Korea
2. Department of Semiconductor Engineering, Gyeongsang National University 2 , Jinju-si, Gyeongsangnam-do 52828, Republic of Korea
3. Mechatronics Research, Samsung Electronics Co., Ltd. 3 , Hwaseong-si, Gyeonggi-do 18848, Republic of Korea