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M. Trabelsi, respectively, and the Ph.D. degree in electrical engineering jointly from the Aix- Marseille University He is also an Associate Professor of electrical engineering with the Ecole Nationale, electrical engineering from the Ecole Superieure des Sciences et Techniques 2012. He is currently a Postdoctoral with Ecole Nationale Superieure des Arts et Metiers (ENSAM) Arts et Metiers ParisTech His research interests include modeling, control, and diagnostics of conventional three-phase ac motor drives, power converters, and multiphase drives, 2005.

E. Semail, and received the Ph.D. degree with a thesis entitled " Tools and studying method of polyphase electrical systems?Generalization of the space vector theory " from the University, He became an Associate Professor at the Engineering School of Arts et Metiers, 1986.

. Paristech, France, his fields of interest include design, modeling, and control of multiphase electrical drives (converters and ac drives) More generally, he studies, as a Member of the Control team of L2EP, multimachine and multiconverter systems. Fault tolerance for electromechanical conversion at variable speeds is one of the applications of the research with industrial partners in fields such as automotive, marine, and aerospace, International Congresses, 5 patents, and 2 chapters in books, p.64, 2000.

. Ngac-ky-nguyen, D. degree in Electrical and Electronic engineering from the University of Haute Alsace, France, in 2010 he has been an Associate Professor with the Laboratory of Electrical Engineering and Power Electronics of Lille, Arts et Métiers ParisTech, Vietnam, in 2005, and the Ph His research interests include Modeling and Control of Synchronous Motors, Power Converters, and Fault-Tolerant Multiphase Drives. He has authored and co-authored 38 scientific papers and 5 book chapters, 2012.