Listar por autor "Riera, Jordi (Riera Colomer)"
Mostrando ítems 1-20 de 33
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Adaptive predictive robust control for fuel cells hybrid vehicles
(2010)
Texto en actas de congreso
Acceso abiertoThe transient behavior of a Polymer Electrolyte Membrane Fuel Cell System (PEMFCS) under an efficient Adaptive Predictive Control with Robust Filter (APCWRF) is analyzed. This control scheme is tested to evaluate its ... -
Analyses of energy management strategies for a PEMFC/UC electric vehicle
(2012)
Texto en actas de congreso
Acceso restringido por política de la editorialIn this paper, two energy management strategies considering the hydrogen consumption of hybrid power sources using a PEM Fuel Cell (FC) and Ultracapacitors (UC) are described and compared. First, the Hybrid Electric ... -
Characterisation of fuel cell state using Electrochemical Impedance Spectroscopy analysis
(2008)
Texto en actas de congreso
Acceso abierto -
Characterisation of fuel cell state using Electrochemical Impedance Spectroscopy analysis
(EHU, 2008)
Texto en actas de congreso
Acceso abiertoOne of the most demanding research topics related to the Polymer Electrolyte Membrane Fuel Cell (PEMFC) concerns its reliability. Apart from the security aspects, it is basic to have a diagnosis of the internal state of ... -
Control de temperatura en pilas de combustible tipo PEM de cátodo abierto
(2014)
Texto en actas de congreso
Acceso restringido por política de la editorialEn 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 ... -
Design and analysis of fuel-cell hybrid systems oriented to automotive applications
(2009-11)
Artículo
Acceso abiertoHybridization with high specific energy-storage devices such as supercapacitors (SCs) has important advantages in fuel-cell (FC)-based systems. This paper presents an approach for the design and analysis of FC hybrid systems ... -
Design of linear controllers applied to an ethanol steam reformer for PEM fuel cell applications
(2011)
Texto en actas de congreso
Acceso restringido por política de la editorialThis paper focuses on the design of a controller for a low temperature ethanol steam reformer for the production of hydrogen to feed a Protonic Exchange Membrane (PEM) fuel cell. It describes different control structures ... -
Design of linear controllers applied to an ethanol steam reformer for PEM fuel cell applications
(2013)
Artículo
Acceso restringido por política de la editorialThis paper focuses on the design of a controller for a low temperature ethanol steam reformer for the production of hydrogen to feed a Protonic Exchange Membrane (PEM) fuel cell. It describes different control structures ... -
Diagnosis tools for PEMFC using humidification interruption tests
(2012)
Texto en actas de congreso
Acceso restringido por política de la editorialThis article presents different diagnosis tools for Proton Exchange Membrane Fuel Cells based on the analysis of their dynamic evolution when the humidification of the inlet gases is interrupted. The diagnosis is aimed ... -
Diagnóstico de fallos en sistemas de generación de energía basados en pilas de combustible
(APPICE, 2008)
Texto en actas de congreso
Acceso abiertoEn este trabajo se presenta una metodología de diagnóstico de fallos basada en modelos para sistemas de generación de energía basados en pilas de combustible. La novedad de la metodología se basa en la caracterización de ... -
Diseño e implementación de un control supervisor para sistemas híbridos de generación basado en pilas de combustible
(2012)
Texto en actas de congreso
Acceso abiertoEn el presente artículo se muestra el desarrollo, implementación y resultados experimentales de un control supervisor para un sistema híbrido de generación de energía eléctrica basado en una pila de combustible tipo PEM. ... -
Dynamic modeling and controllability analysis of an ethanol reformer for fuel cell application
(2010-09)
Artículo
Acceso abiertoThis work presents a controllability analysis of a low temperature ethanol reformer based on a cobalt catalyst for fuel cell application. The study is based on a nonlinear dynamic model of ... -
Dynamic water management test station for open-cathode PEMFC systems
(2009)
Texto en actas de congreso
Acceso abierto -
Energy management strategies based on efficiency map for fuel cell hybrid vehicles
(2009-05)
Artículo
Acceso abiertoThe addition of a fast auxiliary power source like a supercapacitor bank in fuel cellbased vehicles has a great potential because permits a significant reduction of the hydrogen consumption and an improvement of the vehicle ... -
Energy management strategies for fuel cell-hybrid vehicles
(2008)
Texto en actas de congreso
Acceso abiertoThis paper presents an analysis and a comparative study between three new proposed Energy Management Strategies oriented to Fuel Cell-Hybrid Vehicles (FCHVs). The vehicle in study is powered by a fuel cell and a supercapacitor ... -
Ethanol catalytic membrane reformer for direct PEM FC feeding
(2013)
Artículo
Acceso restringido por política de la editorialIn this paper an ethanol reformer based on catalytic steam reforming with a catalytic honeycomb loaded with RhPd/CeO2 and palladium separation membranes with an area of 30.4 cm2 has been used to generate a pure hydrogen ... -
Experimental characterization and identification of the voltage losses in an open cathode PEM fuel cell stack
(2011)
Texto en actas de congreso
Acceso abiertoFor 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
(2012)
Artículo
Acceso abiertoThe 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 ... -
Experimental methodology for modeling water diffusion transport in a PEMFC stack with respect to membrane temperature and resistance
(Elsevier, 2008)
Texto en actas de congreso
Acceso abiertoThis work proposes an experimental methodology for modeling water diffusion transport in a PEMFC, which is applied to a commercially available fuel cell stack. The effective water vapor diffusion coefficient and its dynamical ... -
Experimental study of hydrogen purge effects on performance and efficiency of an open-cathode proton exchange membrane fuel cell system
(2013)
Artículo
Acceso abiertoThe performance and efficiency of an open-cathode PEM fuel cell system in dead-ended anode (DEA) configuration and hydrogen purges is analyzed in this work. Excess water and crossed-over nitrogen in the anode decrease the ...
