1. Department of Mechanical Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 13722, Korea
2. Korea Aerospace Industries, 78, Gongdanro 1-ro, Sanam-myeon, Sacheon, Gyeongsangnam-do 52529, Korea
3. Samsung Electronics Inc, Hwaseong 18448, Korea
4. Agency for Defense Development, Daejeon 34186, Korea