Prof . Salim Hadj Saïd ( National Engineering School of Monastir ) received his PhD and his accreditation in Electric Engineering from National Engineering School of Tunis (ENIT) and National Engineering School of Monasir (ENIM) in 2009 and 2015, respectively.  He is currently Professor of automatic control in Preparatory Institute for Engineering Studies of Monastir (IPEIM), Tunisia. His research interests include Nonlinear Observation, Fault Detection and Isolation, Predictive and Adaptive Control, Tolerant Fault Control.