1. University of Sfax,National School of Engineers of Sfax, Laboratory of Electromechanical Systems,R & D Department, Green Power Company,Sfax,Tunisia
2. University of Dubai,Supply Chain,Dubai,United Arab Emirates
3. King Faisal University,College of Engineering,Mechanical Engineering Department,Al Ahsa,Saudi Arabia
4. University of Sfax,National School of Engineers of Sfax, Laboratory of Electromechanical Systems,Sfax,Tunisia