1. 1 Industrial Systems Institute, Unit of Industrial Automation Industrial Systems Institute , Rion Patras , Greece
2. 2 Department of Management and Innovation Systems , University of Salerno , Italy
3. 3 Department of Electrical Engineering , King Saud University , Saudi Arabia
4. 4 Department of ECS Engineering , Rensselaer Polytechnic Institute , USA
5. 5 Department of Electrical Engineering , University of Setif I , Algeria
6. 6 Department of Electrical and Electronic Engineering Science , University of Johanessburg , South Africa