Mohamed-Faouzi HARKAT received his Eng. degree in automation from Annaba University, Algeria in 1996, his Ph.D. degree from Institut National Polytechnique de Lorraine (INPL), France in 2003 and his Algerian "Accreditation to supervise researches" (HDR), from Annaba University, Algeria in 2006. He is now Professor in the Department of Electronic at Annaba University, Algeria. His research interests include fault diagnosis, process modelling and monitoring, uncertain system, interval-valued data analaysis, multivariate statistical approaches and neural networks.