[1] Unit of Industrial Automation Industrial Systems Institute, Rion, Patras,26504, Greece
[2] LS2N, Umr 6004 Ecole Centrale de Nantes, Nantes,44321, France
[3] Ge Global Research General Electric Co., NY,12309, United States
[4] University of Salerno, Dept. of Innovation Systems, Fisciano,84084, Italy