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Longevity-conscious dimensioning power management of the hybrid energy storage system in a fuel cell hybrid electric bus
RISE., Swedish ICT, Viktoria.
2014 (Engelska)Ingår i: IEEE transactions on intelligent transportation systems (Print), ISSN 1524-9050, E-ISSN 1558-0016, Vol. 137, s. 913-Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Energy storage systems (ESSs) play an important role in the performance economy of electrified vehicles. Hybrid energy storage system (HESS) combining both lithium-ion cells supercapacitors is one of the most promising solutions. This paper discusses the optimal HESS dimensioning energy management of a fuel cell hybrid electric bus. Three novel contributions are added to the relevant literature. First, efficient convex programming is used to simultaneously optimize the HESS dimension (including sizes of both the lithium-ion battery pack the supercapacitor stack) the power allocation between the HESS the fuel cell system (FCS) of the hybrid bus. In the combined plant/controller optimization problem, a dynamic battery State-of-Health (SOH) model is integrated to quantitatively examine the impact of the battery replacement strategy on both the HESS size the bus economy. Second, the HESS the battery-only ESS options are systematically compared in the proposed optimization framework. Finally, the battery-health-perceptive HESS optimization outcome is contrasted to the ideal one neglecting the battery degradation (assuming that the battery is durable over the bus service period without deliberate power regulation)._x000D_

Ort, förlag, år, upplaga, sidor
2014. Vol. 137, s. 913-
Nyckelord [en]
Hybrid energy storage system, Electrified vehicle, Component sizing, Energy management, Battery health, Convex optimization
Nationell ämneskategori
Data- och informationsvetenskap
Identifikatorer
URN: urn:nbn:se:ri:diva-31941DOI: 10.1016/j.apenergy.2014.05.013OAI: oai:DiVA.org:ri-31941DiVA, id: diva2:1151799
Tillgänglig från: 2017-10-24 Skapad: 2017-10-24 Senast uppdaterad: 2018-01-13Bibliografiskt granskad

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Förlagets fulltexthttp://www.sciencedirect.com/science/article/pii/S030626191400508X
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