1. Department of Next Generation Energy System Convergence, Gachon University, Seongnam, South Korea
2. E-Drive Unit Development Team, Hyundai Mobis, Uiwang, South Korea
3. Department of Electrical Engineering, Hanyang University, Seoul, South Korea
4. Department of Electrical and Electronic Education, Andong University, Andong, South Korea
5. Department of Electrical Engineering, Gachon University, Seongnam, South Korea