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1 2021

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A comparative study of two energy management schemes for a fuel-cell hybrid power system of four-wheel-drive electric vehicle

Soumeur Mohammed Amine, Gasbaoui Brahim, Hartani Mohammed Amine, Abdelkhalek Othmane

Journal of Power Technologies

2021

Vol. 101, nr 1

34--43

This papers investigates energy management strategies (EMSs) for the hybrid Proton Exchange Membrane (PEM) Fuel Cell four-wheel-drive electric vehicle (4WDEV). A comparative study of two EMSs for 4WDEV hybrid powertrain source was carried out with a view to improving the vehicle's dynamic response during transients and minimizing hydrogen consumption. Three distributed energy resources (DERs), with the PEM Fuel Cell as the primary source, power the 4WDEV vehicle. A hybrid energy storage system (HESS) includes batteries and supercapacitor devices as the backup unit, in addition to covering autonomy hours. The proposed EMS aims to ensure optimal operation of the vehicle at variable motor speed and torque, taking into consideration the boundaries of the storage devices such as the states of charge and the DC bus voltage.