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GA-based robust LQR controller for interleaved boost DC–DC converter improving fuel cell voltage regulation

  • Proton Exchange Membrane Fuel Cell (PEMFC) is one of the most promising technologies for sustainable energy production due to the high power density, low operative temperature and more convenient use for several applications. Nevertheless, the high generated current that characterizes PEMFC requires a specific power conditioning. In addition, specific controller must be designed to fit with systemProton Exchange Membrane Fuel Cell (PEMFC) is one of the most promising technologies for sustainable energy production due to the high power density, low operative temperature and more convenient use for several applications. Nevertheless, the high generated current that characterizes PEMFC requires a specific power conditioning. In addition, specific controller must be designed to fit with system operative points changing associated with the variation of this high current. To deal with this challenge, in this paper, an electrochemical system composed of a Proton Exchange Membrane Fuel Cell (PEMFC) feeding via two phases IBC has been proposed and investigated. For robustness, the used IBC for fuel cell voltage regulation is controlled by linear quadratic regulator (LQR). Then, genetic algorithms technique is applied to optimize the LQR controller parameters giving optimal control coefficients and can if necessary be adjusted according to each working situation change. The model of the entire system is studied using Matlab/Simulink environment. The simulation’s comparative standard and robustness results both demonstrate that the proposed GA-based LQR controller outperforms the conventional PI in terms of performance metrics (overshoot reduction: between 58.93% and 97.09%; response time reduction: between 56.40% and 77.00% and ripple reduction: between 84.00% and 94.86%).show moreshow less

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Metadaten
Document Type:Article (reviewed)
Zitierlink: https://opus.hs-offenburg.de/3617
Bibliografische Angaben
Title (English):GA-based robust LQR controller for interleaved boost DC–DC converter improving fuel cell voltage regulation
Author:Mustapha HabibStaff MemberORCiD, Fahrid Khoucha, Abdelghani Harrag
Year of Publication:2017
Publisher:Elsevier
First Page:438
Last Page:456
Parent Title (English):Electric Power Systems Research
Volume:152
Issue:11
ISSN:0378-7796
DOI:https://doi.org/10.1016/j.epsr.2017.08.004
Language:English
Inhaltliche Informationen
Institutes:Bibliografie
GND Keyword:Controlling; Energieversorgung; Polymer-Elektrolytmembran-Brennstoffzelle
Formale Angaben
Open Access: Open Access 
Licence (German):License LogoUrheberrechtlich geschützt