1. Department of Intelligent Energy and Industry, Chung-Ang University, Seoul 06974, Republic of Korea
2. Department of Industrial Security, Chung-Ang University, Seoul 06974, Republic of Korea
3. Korea Hydro & Nuclear Power Co., Ltd. (KHNP), Gyeongju-si 38120, Republic of Korea
4. School of Electrical and Electronics Engineering, Chung-Ang University, Seoul 06974, Republic of Korea