1. Research Unit: Numerical Control of Industrial Processes, National Engineering School of Gabes, University of Gabes Tunisia, Medenine Street, Gabes 6029, Tunisia e-mail:
2. Associate Professor Research Unit: Numerical Control of Industrial Processes, National Engineering School of Gabes, University of Gabes Tunisia, Medenine Street, Gabes 6029, Tunisia e-mail:
3. Professor Research Unit: Numerical Control of Industrial Processes, National Engineering School of Gabes, University of Gabes Tunisia, Medenine Street, Gabes 6029, Tunisia e-mail: