Zied Driss

Laboratory of Electro-Mechanic Systems (LASEM), National School of Engineers of Sfax (ENIS), University of Sfax (US), B.P. 1173, Road Soukra, km 3.5, 3038 Sfax, TUNISIA

Tarek Chelbi

Laboratory of Electro-Mechanic Systems (LASEM), National School of Engineers of Sfax (ENIS), University of Sfax (US), B.P. 1173, Road Soukra, km 3.5, 3038 Sfax, TUNISIA

Ahmed Kaffel

University of Maryland College Park, MD 20742, USA

Mohamed Salah Abid

Laboratory of Electro-Mechanic Systems (LASEM), National School of Engineers of Sfax (ENIS), University of Sfax (US), B.P. 1173, Road Soukra, km 3.5, 3038 Sfax, TUNISIA