Fei Gao is a researcher at the University of Technology of Belfort-Montbéliard in France. Research interests include fuel cells, hybrid vehicles and smart grid technology.Benjamin Blunier is a researcher at the University of Technology of Belfort-Montbéliard in France. Research interests include fuel cells, hybrid vehicles and smart grid technology.Abdellatif Miraoui is a researcher at the University of Technology of Belfort-Montbéliard in France. Research interests include fuel cells, hybrid vehicles and smart grid technology.