1. Department of Electrical Engineering, University of Sharjah, Sharjah, United Arab Emirates
2. Department of Electrical Engineering, Omdurman Islamic University, Omdurman, Sudan
3. Department of Electrical Engineering, Tshwane University of Technology, Pretoria, South Africa
4. Department of Electrical, Electronic and Computer Engineering, University of Pretoria, Pretoria, South Africa
5. Department of Mechanical and Nuclear Engineering, University of Sharjah, Sharjah, United Arab Emirates