This paper presents a general formulation of the energy management in a hybrid vehicle with fuel cell and supercapacitors. The approach proposed in this paper consists in keeping the sum of the energy stored in the supercapacitors and the vehicle kinetic energy constant. The goal of the strategy is to minimize the fuel cell system maximum power and its fuel consumption as well as keeping a smooth dynamical behaviour. A comparison with a stand-alone fuel cell powered vehicle taken as a reference case study is carried out. Results show that the fuel cell power can be reduced to 30 % and the fuel economy improved by 15 %.
Energy management using fuel cells and supercaps
2008
20 Seiten, 11 Bilder, 20 Quellen
Aufsatz (Konferenz)
Englisch
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