1. Institute of Sustainable Energy, Universiti Tenaga Nasional, Kajang 43000, Malaysia
2. Faculty of Computing and Informatics, Universiti Malaysia Sabah (UMS), Labuan 87000, Malaysia
3. Department of Electrical and Computer Engineering, Western University, London, ON N6A 5B9, Canada
4. Electrical Engineering Department, Fahad Bin Sultan University, Tabuk 71454, Saudi Arabia