1. Department of Physics, Faculty of SciencesUniversity Mohamed Boudiaf of M'sila M'sila Algeria
2. Department of Mecanics, Laboratory of Renewable Energy and Sustainable DevelopmentUniversity of Brothers Mentouri Constantine 1Constantine Algeria
3. Department of Physics, Laboratory of Energetic PhysicsUniversity of Brothers Mentouri Constantine 1Constantine Algeria
4. Department of Mecanics, Laboratory of Electromechanical Systems, National School of Engineers of Sfax (ENIS)University of Sfax Sfax Tunisia