1. Laboratory of Control and Energy Management, Ecole Nationale d’Ingenieurs de Sfax, Route Soukra KM4, Sfax 3083, Tunisia (Corresponding author), e-mail: nadia_smaoui@yahoo.fr, https://orcid.org/0000-0001-7273-8512
2. Laboratory of Control and Energy Management, Ecole Nationale d’Ingenieurs de Sfax, Route Soukra KM4, Sfax 3083, Tunisia