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Browsing by Subject "Proton exchange membrane fuel cells"
Now showing items 1-20 of 42
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A hybrid control-oriented PEMFC model based on echo state networks and gaussian radial basis functions
(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 new nonlinear observer for liquid water estimation in fuel cells
(Institute of Electrical and Electronics Engineers (IEEE), 2024-05)
Article
Restricted access - publisher's policyFuel cells are electrochemical devices with some internal variables that cannot be measured, but have to be monitored in real-time. That is the case for the liquid water inside the fuel cell catalyst layer. This motivates ... -
A virtual sensor for a cell voltage prediction of a Proton-Exchange Membranes based on intelligent techniques
(Springer Link, 2021)
Conference report
Restricted access - publisher's policyThe use of Proton-Exchange Membranes Fuel Cells is presented as a key alternative to face the increasing and concerning problems related to global warming. The international expansion of green policies, has resulted in the ... -
Adaptive nonlinear parameter estimation for a proton exchange membrane fuel cell
(Institute of Electrical and Electronics Engineers (IEEE), 2022-08)
Article
Open AccessParameter estimation is vital for modeling and control of fuel cell systems. However, the nonlinear parameterization is an intrinsic characteristic in the fuel cell models such that classical parameter estimation schemes ... -
Chattering free high order sliding mode observer for estimation of liquid water fraction in a proton exchange membrane fuel cell
(2018)
Conference report
Restricted access - publisher's policyIn this work, a methodology for the estimation of the liquid fraction of a proton exchange membrane fuel cell (PEMFC) is developed. Specifically, a model-based chattering- free high order sliding mode (CHOSM) observer is ... -
CO removal at the nanoscale: A 1-cent gold prox reactor
(2010)
Conference report
Restricted access - author's decision -
Comparative LCA of stand-alone power systems applied to remote cell
(Universitat Politècnica de Catalunya, 2014-06-27)
Master thesis
Open Access
Covenantee: Purdue UniversityRemote cell towers need on-site power generation or stand-alone power systems for operation and, traditionally, diesel electric generators have been used as backup power systems in combination with renewable energies. ... -
Control adaptatiu d'una pila PEM de càtode obert
(Universitat Politècnica de Catalunya, 2017-06-15)
Bachelor thesis
Open AccessEn aquest projecte es dissenya un observador capaç d’estimar la saturació d’aigua líquida a la capa catalítica d’una pila de combustible de tipus PEM. En els primers apartats es presenta al lector la idea de la pila de ... -
Control-oriented estimation of the exchange current density in PEM fuel cells via stochastic filtering
(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 ... -
Development of control systems and state observers for efficiency and durability improvement in PEM fuel cell based systems
(Universitat Politècnica de Catalunya, 2017-02-27)
Doctoral thesis
Open AccessProton exchange membrane (PEM) fuel cells, which use hydrogen as fuel, provide high power densities while operating at lower temperatures, reducing the cost of materials and maintenance. PEM fuel cells are suitable for a ... -
Diseño y fabricación de una pila de combustible de hidrógeno de baja potencia
(Universitat Politècnica de Catalunya, 2010-01)
Master thesis (pre-Bologna period)
Open Access -
Disseny i model dinàmic del sistema de calefacció d’un habitatge alimentat amb una pila PEM d’alta temperatura
(Universitat Politècnica de Catalunya, 2017-01-12)
Bachelor thesis
Open AccessEn aquest projecte es dissenya i es fa un model dinàmic de simulació d’un sistema de calefacció domèstic, corresponent a un habitatge de la ciutat de Barcelona, que s’alimenta amb un sistema de cogeneració basat en una ... -
Efficient Predictive Control for polytopic systems: application to the four-tank system
(Universitat Politècnica de Catalunya, 2014-06)
Master thesis
Restricted access - author's decisionThe present work proposes to develop a Fault Tolerant Control strategy based on Robust Efficient Predictive Control for non-linear systems that can be modeled using a polytopic model. The proposed Efficient Predictive ... -
Energy management strategy for a bioethanol isolated hybrid system: simulations and experiments
(2018-05-28)
Article
Open AccessRenewable energy sources have significant advantages both from the environmental and the economic point of view. Additionally, renewable energy sources can contribute significantly to the development of isolated areas that ... -
Fault estimation using a Takagi-Sugeno interval observer: Application to a PEM fuel cell
(2017)
Conference report
Restricted access - publisher's policyFault estimation plays an important role in the fault diagnosis system since provides information about the fault magnitude and temporal evolution. In this paper, we present an approach that allows to obtain a simultaneous ... -
Fault tolerant control of a PEM fuel cell using qLPV virtual actuators
(International Federation of Automatic Control (IFAC), 2015)
Conference report
Open AccessThis paper proposes a fault tolerant control (FTC) strategy based on the use of quasi-linear parameter varying (qLPV) virtual actuators approach for proton exchange membrane (PEM) fuel cells. The overall solution relies ... -
High temperature proton exchange membrane fuel cells control for combined heat and power applications
(Universitat Politècnica de Catalunya, 2018-09-10)
Bachelor thesis
Open AccessThe aim of this project is designing and implementing control strategies for high temperature proton exchange membrane ( 1,2 ) fuel cells to be used in residential applications generating both heat and electrical power. ... -
Inkjet printing in polymer electrolyte membrane electrolysis
(Universitat Politècnica de Catalunya / University of Alberta, 2016)
Master thesis
Open AccessIn proton exchange membrane fuel cells (PEFCs), the catalyst and electrolyte loading have been shown to have an important effect in the performance and efficiency of the device. On the contrary, literature analyzing ... -
LPV model-based fault diagnosis using relative fault sensitivity signature approach in a PEM fuel cell
(IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
Conference report
Restricted access - publisher's policyIn this paper, a model-based fault diagnosis methodology for PEM fuel cell systems is presented. The methodology is based on computing residuals using a LPV observer. Fault detection is based on using adaptive threshold ... -
LPV Observer design for PEM fuel cell system: Application to fault detection
(2011-02-01)
Article
Restricted access - publisher's policyIn this paper, the modelling of an energy generation system based on polymer electrolyte membrane fuel cell (PEMFC) system through a parameter varying approach (LPV model), that takes in to account model parameter variation ...
