1. School of Electrical Engineering, China University of Mining and Technology, Xuzhou, China
2. International Joint Research Center of Central and Eastern European Countries on New Energy Electric Vehicle Technology and Equipment, Xuzhou, China
3. Setúbal School of Technology, Polytechnic Institute of Setúbal, Setúbal, Portugal
4. Department of Electrical and Computer Engineering, NOVA School of Science and Technology, NOVA University of Lisbon, Lisbon, Portugal