1. Department of Mechatronics Engineering, College of Electrical and Mechanical Engineering, National University of Sciences and Technology, Islamabad, Pakistan
2. Department of Electrical and Computer Engineering, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, Pakistan
3. Department of Electrical Power Engineering and Mechatronics, Tallinn University of Technology, Tallinn, Estonia
4. Turabah University College, Department of Mathematics, Computer Sciences Program, Taif University, Taif, Saudi Arabia