1. Department of Aerospace and Mechanical Engineering, Graduate School of Korea Aerospace University, Goyang 10540, Republic of Korea
2. Department of Automotive Engineering, Korea National University of Transportation, Chungju, 27469, Republic of Korea
3. BK21 FOUR Smart Drone Convergence, Korea Aerospace University, Goyang 10540, Republic of Korea
4. School of Aerospace and Mechanical Engineering, Korea Aerospace University, Goyang, Republic of Korea