1. National Engineering School of Tunis, University of Tunis EI Manar,Research Laboratory in Automatic Control (LARA),Tunis,Tunisia,1002
2. High Institut of Industrial Systems of Gabes, University of Gabes,Research Laboratory in Automatic Control (LARA),Gabes,Tunisia,6011
3. University of Paris- Est Creteil,Laboratoire Images, Signaux et Systemes Intelligents (LiSSi),Vitry-sur-Seine,France