Ara es mostren els items 21-34 de 34

    • 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 ...
    • On the anode pressure and humidity regulation in PEM fuel cells: a nonlinear predictive control approach 

      Rosanas Boeta, Noe; Ocampo-Martínez, Carlos; Kunusch, Cristian (2015)
      Text en actes de congrés
      Accés obert
      In this paper, a nonlinear model predictive control (NMPC) strategy is proposed to regulate the humidity in a Proton Exchange Membrane Fuel Cell (PEMFC) anode. The proposed control strategy uses two controllers in cascade ...
    • On the implementation of an adaptive extremum seeking algorithm for hydrogen minimization in PEM fuel cell based systems 

      Kunusch, Cristian; Castaños Luna, Fernando (2013)
      Text en actes de congrés
      Accés obert
      This work presents initial experimental results of an adaptive sliding-mode extremum seeker that minimizes the hydrogen consumption in a fuel cell based system. The extremum seeker is based on the classical steepest-descent ...
    • On the implementation of gain-scheduled LPV control for oxygen stoichiometry regulation in PEM fuel cells 

      Bianchi, Fernando Daniel; Kunusch, Cristian; Ocampo-Martínez, Carlos; Sánchez Peña, Ricardo Salvador (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés obert
      The article addresses the LPV control of a Polymer Electrolyte Membrane Fuel Cell (PEMFC) facing oxygen stoichiometry regulation. In order to optimize efficiency, PEMFCs require reliable control systems ensuring stability ...
    • Online identification of time varying parameters in PEM fuel cells 

      Kunusch, Cristian (2013)
      Text en actes de congrés
      Accés obert
      This article tackles some ideas about parameters identification in the anode line of a typical PEM fuel cell test station. The approach is focused in the nonlinear model structure and solves an observation problem using a ...
    • Optimization-based thermal control strategy for auxiliary cooling circuits in fuel cell vehicles 

      Eldigair, Yousif; Kunusch, Cristian; Ocampo-Martínez, Carlos (2022-01-01)
      Article
      Accés obert
      In this research work, a thermal management concept for the auxiliary components in fuel cell vehicles is discussed. A control-oriented model of the subsystem under analysis is developed and then used as basis for controller ...
    • Sliding mode anti-windup strategy for mass flow-rate regulation of compressors with rate-limited motors 

      Eldigair, Yousif; Kunusch, Cristian; Ocampo-Martínez, Carlos; Camocardi, Pablo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      In this paper, the control of the mass flow-rate for a centrifugal compressor is discussed. The compressor is driven by a rate-limited actuating motor. To avoid integral windup, a sliding mode control (SMC) based anti-windup ...
    • Sliding Mode Strategy for PEM Fuel Cells Stacks Breathing Control Using a Super-Twisting Algorithm 

      Kunusch, Cristian; Puleston, Paul; Mayosky, M A; Riera, Jordi (Riera Colomer) (2009-01)
      Article
      Accés obert
      A second-order sliding mode strategy to control the breathing subsystem of a polymer electrolyte membrane fuel cell stack for transportation applications is presented. The controller is developed from a design model of ...
    • Thermal modelling approach and model predictive control of a water-cooled PEM fuel cell system 

      Rojas Fernández, José David; Ocampo-Martínez, Carlos; Kunusch, Cristian (2013)
      Text en actes de congrés
      Accés obert
      In this paper, a modular thermal modelling approach for a water-cooled Proton Exchange Membrane fuel cell (PEM-FC) stack is proposed. The resultant model is based on the heat flux inside the stack and has been validated ...
    • Traffic flow-oriented design and analysis of an adaptive cruise control system 

      Benedito Benet, Ernest; Dòria Cerezo, Arnau; Kunusch, Cristian; Olm Miras, Josep Maria (2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper we present a state feedback-based adaptive cruise control strategy for an autonomous vehicle able to operate in an effective and safe manner between speed regulation and position control, depending on the ...