1. Production Engineering Department; Fluminense Federal University; Rua Passo da Pátria 156, 24210-240 Niteroí RJ Brazil
2. Department of Mechanical, Energy and Management Engineering; University of Calabria; Rende Italy
3. UMR CNRS 5506 LIRMM, Université de Montpellier 2; 161 rue Ada, 34392 Montpellier Cedex 5 France