Optimal Energy Management Control Scheme for Fuel cell Hybrid Vehicle

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TitreOptimal Energy Management Control Scheme for Fuel cell Hybrid Vehicle
Type de publicationConference Paper
Year of Publication2014
AuteursSid M.N, Marouani K., Becherif M., Alloui H.
Conference Name2014 22ND MEDITERRANEAN CONFERENCE ON CONTROL AND AUTOMATION (MED)
PublisherIEEE
Conference Location345 E 47TH ST, NEW YORK, NY 10017 USA
ISBN Number978-1-4799-5901-3
Mots-clésElectrical hybrid vehicle, Energy management, Fuel cell, optimal control, Supercapacitors
Résumé

This paper presents an analysis of energy management strategies (EMS) applied to a hybrid power sources architecture composed of fuel cell and supercapacitor for electric vehicle application. An EMS based on optimal control theory is discussed and compared to the EMS based on power frequency separation that allows power load frequency decomposition. Firstly, the electrical model of the fuel cell and supercapacitor power sources is given. Then, the EMS based on optimal control is presented, which has as objective to minimize hydrogen consumption and simultaneously prolonging fuel cell stack lifetime. Thus, these two strategies are compared in terms of hydrogen consumption and state of the charge of the supercapacitor pack. Therefore, the simulation results show the effectiveness of the strategy based on optimal control.