Browsing by Author "Husar, Attila Peter"
Now showing items 1-20 of 52
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A hybrid control-oriented PEMFC model based on echo state networks and gaussian radial basis functions
Aguilar Plazaola, José Agustín; Chanal, Damien; Chamagne, Didier; Yousfi-Steiner, Nadia; Péra, Marie-Cécile; Husar, Attila Peter; Andrade-Cetto, Juan (2024-01-01)
Article
Open AccessThe goal of increasing efficiency and durability of fuel cells can be achieved through optimal control of their operating conditions. In order to implement such controllers, accurate and computationally efficient fuel cell ... -
A multi-timescale modeling methodology for PEMFC performance and durability in a virtual fuel cell car
Mayur, Manik; Strahl, Stephan; Husar, Attila Peter; Bessler, Wolfang G. (2015)
Article
Open AccessThe durability of polymer electrolyte membrane fuel cells (PEMFC) is governed by a nonlinear cou-pling between system demand, component behavior, and physicochemical degradation mechanisms, occurring on timescales from the ... -
Box-Jenkins autoregressive models for PEMFC operating under dynamical conditions
Aguilar Plazaola, José Agustín; Husar, Attila Peter; Andrade-Cetto, Juan (2021)
Conference report
Open AccessThe objective of the present work is to explore and validate autoregressive, control oriented models models Proton Exchange Membrane Fuel Cells coperatinf under dynamic condditions. Autoregressive models have several ... -
Characterization, development and experimental validation of a dynamic model of an open cathode PEM fuel cell
Strahl, Stephan; Husar, Attila Peter; Serra, Maria (2010)
Conference report
Open AccessWater distribution in a fuel cell affects performance and durability, thus fundamental understanding of water transport mechanisms are imperative and can be strongly influenced through proper control strategies. A ... -
Control de temperatura en pilas de combustible tipo PEM de cátodo abierto
Strahl, Stephan; Husar, Attila Peter; Riera, Jordi (Riera Colomer); Costa Castelló, Ramon (2014)
Conference report
Restricted access - publisher's policyEn este trabajo se analiza el modelo de una pila de combustible tipo PEM de cátodo abierto. Se caracterizan sus puntos de equilibrio. Se analiza el plano de fase del modelo alrededor de diferentes puntos de operación y se ... -
Control-oriented estimation of the exchange current density in PEM fuel cells via stochastic filtering
Aguilar Plazaola, José Agustín; Andrade-Cetto, Juan; Husar, Attila Peter (2022-08)
Article
Open AccessIncreasing efficiency and durability of fuel cells can be achieved through advanced model-based optimal control of its operating conditions, and the efficient online estimation of fuel cell parameters and internal states ... -
Control-oriented modeling and experimental validation of a PEMFC generation system
Kunusch, Cristian; Puleston, Paul; Mayosky, Miguel Angel; Husar, Attila Peter (2011-09)
Article
Restricted access - publisher's policyAn experimentally validated control-oriented model that reproduces the most typical features of a laboratory proton exchange membrane fuel cell generation system, is presented in this paper. The proposed representation is ... -
Controller design for polymer electrolyte membrane fuel cell systems for automotive applications
Gómez Pomar, Juan Carlos; Serra, Maria; Husar, Attila Peter (2021)
Article
Open AccessThis work develops and compares three different controllers for PEMFC systems in automotive applications. All the controllers have a cascade control structure, where a generator of setpoints sends references to the subsystems ... -
Desarrollo y calibración experimental de un modelo de un sistema de generación de energía basado en una pila de tipo PEM
Lira Ramírez, Salvador de; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin; Husar, Attila Peter (2010)
Conference report
Restricted access - publisher's policyEn este trabajo se presenta un modelo dinámico de una pila de combustible tipo PEM comercial (Ballard Nexa 1.2 kW) así como la calibración experimental de sus parámetros a partir de dados reales de laboratorio. La ... -
Description of gasket failure in a 7 cell PEMFC stack
Husar, Attila Peter; Serra, Maria; Kunusch, Cristian (Elsevier S.A., 2007)
Article
Open AccessThis article presents the data and the description of a fuel cell stack that failed due to gasket degradation. The fuel cell under study is a 7 cell stack. The unexpected change in several variables such as temperature, ... -
Development and experimental validation of a dynamic thermal and water distribution model of an open cathode proton exchange membrane fuel cell
Strahl, Stephan; Husar, Attila Peter; Serra, Maria (2011)
Article
Open AccessWater concentration in proton exchange membrane (PEM) fuel cells strongly influences performance and durability which demands for fundamental understanding of water transport mechanisms. The system efficiency can be ... -
Distributed parameter nonlinear state observer with unmatched disturbance estimation for PEMFC systems
Luna Pacho, Julio Alberto; Usai, Elio; Husar, Attila Peter; Serra, Maria (2015)
Conference report
Open AccessIn this paper a nonlinear state observer based on a distributed parameter model is proposed for a proton exchange membrane fuel cell (PEMFC). The estimation technique is implemented using a model-based nonlinear observer ... -
Dynamic water management test station for open-cathode PEMFC systems
Husar, Attila Peter; Allué Fantova, Miguel; Cañada Gracia, Marta; Riera, Jordi (Riera Colomer) (2009)
Conference report
Open Access -
Effect of metal hydride properties in hydrogen absorption through 2D-axisymmetric modeling and experimental testing in storage canisters
Busqué Somacarrera, Raquel; Torres Cámara, Ricardo; Grau Barceló, Joan; Roda Serrat, Vicente; Husar, Attila Peter (2017-07-27)
Article
Open AccessA two-dimensional axisymmetric model is developed to study the hydrogen absorption reaction and resultant mass and heat transport phenomena inside a metal hydride canister. The model is compared against published literature ... -
Electrode structure effects on the performance of open-cathode proton exchange membrane fuel cells: A multiscale modeling approach
Strahl, Stephan; Husar, Attila Peter; Franco, Alejandro A. (2014-06-15)
Article
Restricted access - publisher's policyIn this paper we present a new dynamic multiscale model of an open-cathode Polymer Electrolyte Membrane Fuel Cell (PEMFC). The model describes two-phase water transport, electrochemistry and thermal management within a ... -
Enhancing the efficiency and lifetime of a proton exchange membrane fuel cell using nonlinear model-predictive control with nonlinear observation
Luna Pacho, Julio Alberto; Usai, Elio; Husar, Attila Peter; Serra, Maria (Institute of Electrical and Electronics Engineers (IEEE), 2017-08-01)
Article
Open AccessThe aim of this research is to develop and test in a simulation environment an advanced model-based control solution for a proton exchange membrane fuel cell (PEMFC) system. A nonlinear model-predictive control (NMPC) ... -
Experimental analysis of a degraded open-cathode PEM fuel cell stack
Strahl, Stephan; Gasamans Rodríguez, Noemí; Llorca Piqué, Jordi; Husar, Attila Peter (2014)
Article
Open AccessThe well-known challenges to overcome in PEM fuel cell research are their relatively low durability and the high costs for the platinum catalysts. This work focuses on degradation mechanisms that are present in open-cathode ... -
Experimental analysis of a degraded open-cathode PEM fuel cell stack
Strahl, Stephan; Gasamans Rodríguez, Noemí; Llorca Piqué, Jordi; Husar, Attila Peter (2013)
Conference report
Open AccessThe well-known challenges to be overcome in PEM fuel cell research are their relatively low durability and high costs for the platinum catalysts. Thus, this work focuses on factors that impact durability and the links to ... -
Experimental characterization and identification of the voltage losses in an open cathode PEM fuel cell stack
Husar, Attila Peter; Strahl, Stephan; Riera, Jordi (Riera Colomer) (2011)
Conference report
Open AccessFor the past 20 years remarkable progress has been made in PEM fuel cell materials, component design, production, and system power density im-provements. However, there is still a lot to be done in the field of fuel cell ... -
Experimental characterization methodology for the identification of voltage losses of PEMFC: applied to an open cathode stack
Husar, Attila Peter; Strahl, Stephan; Riera, Jordi (Riera Colomer) (2012)
Article
Open AccessThe objective of this study is to describe the methodology used to isolate the main voltage loss indicators through a simple and effective treatment of a current interrupt and current sweep. The voltage loss indicators are ...