Design and implementation of LQR/LQG strategies for oxygen stoichiometry control in PEM fuel cells based systems

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Title:	Design and implementation of LQR/LQG strategies for oxygen stoichiometry control in PEM fuel cells based systems
Author:	Niknezhadi, Ali; Allué Fantova, Miguel; Kunusch, Cristian; Ocampo-Martínez, Carlos
Other authors:	Universitat Politècnica de Catalunya. Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial; Universitat Politècnica de Catalunya. SAC - Sistemes Avançats de Control
Abstract:	This paper presents the oxygen stoichiometry control problem of proton exchange Membrane (PEM) fuel cells and introduces a solution through an optimal control methodology. Based on the study of a non-linear dynamical model of a laboratory PEM fuel cell system and its associated components (air compressor, humidifiers, line heaters, valves, etc.), a control strategy for the oxygen stoichiometry regulation in the cathode line is designed and tested. From a linearized model of the system, an LQR/LQG controller is designed to give a solution to the stated control problem. Experimental results show the effectiveness of the proposed controllers design.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Informàtica::Automàtica i control -Automation Linear quadratic control Optimisation LGQ/LQR control PEM fuel cells Oxygen stoichiometry
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Document type:	Article - Published version Article
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