Hamid BENTARZI is full professor, he has been faculty member in the Institute (IGEE), University M’hamed Bougara, Boumerdes, Algeria, since 1998. He received Bachelor and M. Phil degrees from the institute INELEC, Boumerdes, in 1989 and 1992 respectively, in Electronics. However, he defended his PhD degree at the ENP, Algiers, on 2004. From 1993 to 1998 he was lecturer at the institute INELEC. Now, he is director of signals and systems research laboratory (LSS). His research activities are centered upon control and protection systems reliability enhancement using the recent technologies. He has been author and co-author in more than hundred papers.        Hamid BENTARZI is full professor, he has been faculty member in the Institute (IGEE), University M’hamed Bougara, Boumerdes, Algeria, since 1998. He received Bachelor and M. Phil degrees from the institute INELEC, Boumerdes, in 1989 and 1992 respectively, in Electronics. However, he defended his PhD degree at the ENP, Algiers, on 2004. From 1993 to 1998 he was lecturer at the institute INELEC. Now, he is director of signals and systems research laboratory (LSS). His research activities are centered upon control and protection systems reliability enhancement using the recent technologies. He has been author and co-author in more than hundred papers.        Hamid BENTARZI is full professor, he has been faculty member in the Institute (IGEE), University M’hamed Bougara, Boumerdes, Algeria, since 1998. He received Bachelor and M. Phil degrees from the institute INELEC, Boumerdes, in 1989 and 1992 respectively, in Electronics. However, he defended his PhD degree at the ENP, Algiers, on 2004. From 1993 to 1998 he was lecturer at the institute INELEC. Now, he is director of signals and systems research laboratory (LSS). His research activities are centered upon control and protection systems reliability enhancement using the recent technologies. He has been author and co-author in more than hundred papers.