DAOUD AIT-KADI1, UDAY VENKATADRI2, and CLAVER DIALLO2
1 Laval University, Department of Mechanical Engg., 1065, av. de la Médecine, Québec (Québec) G1V-0A6, Canada 2 Dalhousie University, Department of Industrial Engg., 5269 Morris Street Room 208, Halifax, Nova Scotia B3H-4R2, Canada