1. Faculty of Engineering, University of the Ryukyus, Senbaru Nishihara-cho, Nakagami 903-0213, Japan
2. Department of Electrical and Electronics Engineering, Dayananda Sagar College of Engineering, Bengaluru 560078, India
3. Department of Electrical and Computer Engineering, Clemson University, Clemson, SC 29631, USA
4. College of Engineering, Western Carolina University, Cullowhee, NC 28723, USA
5. Fuji Electric Co., Ltd., Tokyo 141-0032, Japan
6. Department of Electrical Engineering, Aswan University, Aswan 82825, Egypt