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Artículo

Energy management on battery/ultracapacitor hybrid energy storage system based on adjustable bandwidth filter and sliding-mode control

Asensio, Eduardo MaximilianoIcon ; Magallán, Guillermo AndrésIcon ; de Angelo, Cristian HernanIcon ; Serra, Federico MartinIcon
Fecha de publicación: 08/2020
Editorial: Elsevier Ltd
Revista: Journal of Energy Storage
e-ISSN: 2352-152X
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Ingeniería Eléctrica y Electrónica

Resumen

A real-time power-split control strategy for a hybrid energy storage system (HESS) used in electric vehicles is proposed in this work. The HESS topology corresponds to a semi-active ultracapacitor (UC) configuration. The HESS goals are to prevent battery degradation and to preserve its lifetime while improving the system efficiency by supplying the fast dynamics power demands through the UC pack. In order to generate the UC power reference, a digital low-pass filter whose bandwidth is adjusted according to the UC SOC is proposed. This allows a better usage of the UC available energy, while reducing frequent activation of controller protections and avoiding the calculation of the filter cut-off frequency for a certain driving cycle. The low-level control strategy is based on a sliding mode controller combined with a closed-loop current observer, which allows to improve the implementation performance while maintaining the current ripple bounded. Simulation and experimental results were presented showing that the proposed strategy preserves battery health in a more effective way than filter-based strategies with fixed bandwidth, for cases where no future information about the required power is available.
Palabras clave: BATTERIES , CURRENT PREDICTION , DC/DC CONVERTER , ELECTRIC VEHICLES , SLIDING MODE CONTROL , ULTRACAPACITOR
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/138310
URL: https://linkinghub.elsevier.com/retrieve/pii/S2352152X19318481
DOI: http://dx.doi.org/10.1016/j.est.2020.101569
Colecciones
Articulos (IITEMA)
Articulos de INSTITUTO DE INVESTIGACIONES EN TECNOLOGIAS ENERGETICAS Y MATERIALES AVANZADOS
Articulos(CCT - CORDOBA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Articulos(INTEQUI)
Articulos de INST. DE INVEST. EN TECNOLOGIA QUIMICA
Citación
Asensio, Eduardo Maximiliano; Magallán, Guillermo Andrés; de Angelo, Cristian Hernan; Serra, Federico Martin; Energy management on battery/ultracapacitor hybrid energy storage system based on adjustable bandwidth filter and sliding-mode control; Elsevier Ltd; Journal of Energy Storage; 30; 8-2020; 1-13
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