Ara es mostren els items 3-22 de 28

  • Control of an active rectifier with an inductive-capacitive-inductive filter using a twisting based algorithm 

    Dòria Cerezo, Arnau; Puleston, Paul; Kunusch, Cristian (2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents a novel controller for an active rectifier with an inductive-capacitive-inductive filter. The proposed control scheme comprises two levels. The internal level, is a current controller based on the ...
  • Control-oriented modeling and experimental validation of a PEMFC generation system 

    Kunusch, Cristian; Puleston, Paul; Mayosky, Miguel Angel; Husar, Attila Peter (2011-09)
    Article
    Accés restringit per política de l'editorial
    An 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 ...
  • Control-oriented thermal modeling methodology for water-cooled PEM fuel-cell-based systems 

    Rojas Fernández, José David; Kunusch, Cristian; Ocampo-Martínez, Carlos; Puig Cayuela, Vicenç (Institute of Electrical and Electronics Engineers (IEEE), 2015-02-24)
    Article
    Accés obert
    In this paper, a new control-oriented modeling methodology for the thermal dynamics of water-cooled Proton Exchange Membrane Fuel Cells (PEMFCs) is presented and validated. This methodology is not only useful for control ...
  • Description of gasket failure in a 7 cell PEMFC stack 

    Husar, Attila Peter; Serra, Maria; Kunusch, Cristian (Elsevier S.A., 2007)
    Article
    Accés obert
    This 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, ...
  • Design and implementation of LQR/LQG strategies for oxygen stoichiometry control in PEM fuel cells based systems 

    Niknezhadi, Ali; Allué Fantova, Miguel; Kunusch, Cristian; Ocampo-Martínez, Carlos (2011)
    Article
    Accés obert
    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 ...
  • Development and implementation of a supervisor strategy and sliding mode control setup for fuel-cell-based hybrid generation systems 

    More, Jerónimo Jose; Puleston, Paul Federico; Kunusch, Cristian; Allué Fantova, Miguel (2015)
    Article
    Accés obert
    This paper presents the development and experimental results of a supervisor strategy and a sliding mode control setup to improve the performance of hybrid generation systems. The topology in this study is conformed by a ...
  • Diseño de controladores LQR/LQG para su aplicación en sistemas de pilas de combustible tipo PEM 

    Niknezhadi, Ali; Kunusch, Cristian; Ocampo-Martínez, Carlos (2010)
    Text en actes de congrés
    Accés obert
    Se presentan aportes y soluciones de control en el campo de sistemas de celdas de combustible PEM (Proton Exchange Membrane). Con base en el estudio de un modelo dinámico no lineal de un sistema de celdas de combustible ...
  • Diseño e implementación de un control supervisor para sistemas híbridos de generación basado en pilas de combustible 

    More, J.J.; Puleston, Paul; Kunusch, Cristian; Riera, Jordi (Riera Colomer) (2012)
    Text en actes de congrés
    Accés obert
    En 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. ...
  • Ditherless extremum seeking for hydrogen minimization in PEM fuel cells 

    Castaños Luna, Fernando; Kunusch, Cristian (Institute of Electrical and Electronics Engineers (IEEE), 2015-08-01)
    Article
    Accés obert
    This paper presents a nonsmooth adaptive extremum seeker that minimizes the hydrogen consumption in a fuel-cell system. The extremum seeker operates by estimating the gradient of the objective ...
  • Efficiency optimisation of an experimental PEM fuel cell system via super twisting control 

    Kunusch, Cristian; Puleston, Paul; Mayosky, Miguel Angel; Dávila, Alejandro (2010)
    Text en actes de congrés
    Accés obert
    A robust control solution is proposed to solve the air supply control problem in autonomous polymer electrolyte membrane fuel cells (PEMFC) based systems. Different second order sliding mode (SOSM) controllers are designed ...
  • Estudio de la viabilidad del algoritmo super-twisting de ganancias variables para el control de pilas de combustible PEM 

    Evangelista, Carolina; Kunusch, Cristian; Puleston, Paul Federico (2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    En este trabajo se presenta el diseño de un controlador paramaximizar la eficiencia de una pila de combustible, en base a un algoritmo Supertwisting (ST) con ganancias variables. La estrategia consiste en regular la relación ...
  • Experimental results applying second order sliding mode control to a PEM fuel cell based system 

    Kunusch, Cristian; Puleston, Paul; Mayosky, Miguel Angel; Fridman, Leonid (2013)
    Article
    Accés obert
    A robust control solution is proposed to solve the air supply control problem in autonomous polymer electrolyte membrane fuel cells (PEMFC) based systems. A Super Twisting controller is designed using a nonlinear model of ...
  • Extremum seeking algorithms for minimal hydrogen consumption in PEM fuel cells 

    Kunusch, Cristian; Castaños Luna, Fernando (2013)
    Text en actes de congrés
    Accés obert
    We present an adaptive sliding-mode extremum seeker that minimizes an unknown function that is subject to an unknown static constraint. The same algorithm can be applied when the static constraint is replaced by a dynamic ...
  • Fault-tolerant unfalsified control for PEM fuel cell systems 

    Bianchi, Fernando Daniel; Ocampo-Martínez, Carlos; Kunusch, Cristian; Sánchez Peña, Ricardo Salvador (2015)
    Article
    Accés obert
    The article addresses the implementation of a data-driven control strategy in a real test bench based on proton exchange membrane fuel cells (PEMFCs). The proposed control scheme is based on Unfalsified Control (UC), which ...
  • Identification and observation in the anode line of PEM fuel cell stacks 

    Kunusch, Cristian; Moreno Pérez, Jaime; Angulo, M. (2013)
    Text en actes de congrés
    Accés obert
    In this work, some potential identification/observation problems that arise in the anode line of a typical Polymer Electrolyte Membrane (PEM) fuel cell based system are highlighted and then solved. They involve estimating ...
  • Linear identification and model adjustment of a PEM fuel cell stack 

    Husar, Attila Peter; Kunusch, Cristian; Puleston, Paul; Mayosky, Miguel Á.; Moré, J.J. (Elsevier, 2008)
    Article
    Accés obert
    In the context of fuel cell stack control a mayor challenge is modeling the interdependence of various complex subsystem dynamics. In many cases, the states interaction is usually modeled through several look-up tables, ...
  • Modelado dinámico y validación experimental de una pila de combustible PEM 

    Husar, Attila Peter; Kunusch, Cristian; Puleston, Paul; Mayosky, Miguel Á. (2008)
    Text en actes de congrés
    Accés obert
    Resumen: En el presente trabajo se desarrolla un modelo dinámico apto para el diseño de control de un sistema de celdas de combustible experimental tipo PEM (Polymer Electrolyte Membrane). El sistema bajo análisis está ...
  • Modeling, diagnosis and control of fuel-cell-based technologies and their integration in smart-grids and automotive systems 

    Kunusch, Cristian; Ocampo-Martínez, Carlos; Valla, María Inés (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Article
    Accés obert
    The main objective of the current Special Section is to collect, formally present and discuss the most recent and relevant advances in control-oriented modeling and validation, system diagnosis and advanced control design ...
  • Multi input sliding mode control of an autonomous fuel cell-supercapacitor hybrid system 

    Moré, Jerónimo José; Puleston, Paul; Kunusch, Cristian; Fossas Colet, Enric (2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents the design of a sliding mode control strategy through an input decoupling of an hybrid fuel cell based system. The hybrid system is composed by a fuel cell stack and a Supercapacitors module, connected ...
  • Observation of the internal states of a PEMFC anode gas channel 

    Luna Pacho, Julio Alberto; Batlle Arnau, Carles; Kunusch, Cristian; Riera, Jordi (Riera Colomer); Sarmiento Carnevali, María Laura; Serra, Maria (2013)
    Text en actes de congrés
    Accés obert
    In this work a non-linear, model-based state observer is developed. Dynamics of the system described by a distributed parameter, partial differential equations model. Forward and backward discretization of the model to ...