2007
DOI: 10.1109/tcst.2006.886435
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Optimal Power Control of Hybrid Fuel Cell Systems for an Accelerated System Warm-Up

Abstract: Key technical challenges in hybrid fuel cell power system applications are the power management and the thermal control. In this paper, a charge-sustaining supervisory power controller is developed, which minimizes the warm-up duration of a fuel cell/battery hybrid power system by optimally controlling the power split between the fuel cell system and the battery, as well as the operation of an auxiliary heater. The controller is implemented as a model-predictive feedback law. First, a control-oriented, mathema… Show more

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Cited by 17 publications
(2 citation statements)
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“…As discussed in [41], the time constants of the gas dynamics and the stack temperature dynamics are estimated to be the order of magnitude of 10 −1 and 10 2 , respectively. Therefore, the mass storage effects in the channels are not considered.…”
Section: Remarkmentioning
confidence: 99%
“…As discussed in [41], the time constants of the gas dynamics and the stack temperature dynamics are estimated to be the order of magnitude of 10 −1 and 10 2 , respectively. Therefore, the mass storage effects in the channels are not considered.…”
Section: Remarkmentioning
confidence: 99%
“…Entretanto, as condições destes resultados ocorrem em um ambiente com temperatura e pressão atmosférica controlada e são extraídos após doze horas ininterruptas de funcionamento com potência nominal conforme anexo A. Este período de preparação para a sua operação é conhecido como warming-up [19] e é necessário para que a CaC atinja a sua temperatura de operação e, principalmente para este tipo de CaC, a hidratação correta da sua membrana polimérica.…”
Section: Inicialização Da Cacunclassified