Exploració per altres contribucions "Universitat Politècnica de Catalunya. ACES - Control Avançat de Sistemes d'Energia"

Ara es mostren els items 115-134 de 454

    • DAE Methods in Constrained Robotic System Simulation: 

      Costa Castelló, Ramon; Griñó Cubero, Robert; Basañez Villaluenga, Luis (Centro de Investigación en Computación, 1998-03)
      Article
      Accés obert
      In this paper a DAE formulation is used to model the behaviour of constrained robotic systems. This formulation allows to specify in an easy and clear way the constrained behaviour of a robotic system. In order to better ...

    • De la mecánica clásica y las leyes de Kirchhoff a los sistemas hamiltonianos con puertos 

      Batlle Arnau, Carles; Dòria Cerezo, Arnau (2010)
      Article
      Accés obert
      En este artículo exponemos los orígenes conceptuales de la teoría PHS (port-Hamiltonian systems), empezando por las leyes de Kirchhoff y enlazando con las ecuaciones de la mecánica clásica, para acabar con la estructura ...

    • Decoupled DC-Link capacitor voltage control of DC-AC multilevel multileg converters 

      Busquets Monge, Sergio; Griñó Cubero, Robert; Nicolás Apruzzese, Joan; Bordonau Farrerons, José (Institute of Electrical and Electronics Engineers (IEEE), 2015-10-27)
      Article
      Accés obert
      This paper studies the coupling between the capacitor voltage control loops of diode-clamped (or functionally equivalent) multilevel multileg (multiphase) dc-ac converters. From a complete model of the plant revealing the ...

    • Decoupled inputs sliding mode controllers for a fuel cell-supercapacitor module in hybrid generation applications 

      Moré, Jerónimo José; Puleston, Paul Federico; Fossas Colet, Enric; Kunusch, Cristian (Springer, 2019-01-01)
      Article
      Accés obert
      The development of Multiple Input/Multiple Output (MIMO) sliding mode control setups for a fuel cell/supercapacitor module is presented in this paper. The main objective of the proposed controllers consists in simultaneously ...

    • Demonstration of the Internal Model Principle by Digital 

      Costa Castelló, Ramon; Nebot, Jordi; Griñó Cubero, Robert (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-02)
      Article
      Accés obert
      A key topic in classical control theory is the Internal Model Principle (IMP). A particular case of the IMP for tracking periodic references or attenuating periodic disturbances in closed-loop control systems is a technique ...

    • 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 analysis of fuel-cell hybrid systems oriented to automotive applications 

      Feroldi, Diego Hernán; Serra, Maria; Riera, Jordi (Riera Colomer) (2009-11)
      Article
      Accés obert
      Hybridization 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 and Analysis Strategies for Digital Repetitive Control Systems with Time-Varying Reference/Disturbance Period 

      Costa Castelló, Ramon; Olm Miras, Josep Maria; Ramos Fuentes, Germán Andrés (2009-12)
      Text en actes de congrés
      Accés obert
      This article introduces and analyzes the performance features of different design schemes for digital repetitive control systems subject to references/disturbances that exhibit non-uniform frequency. Aiming for the ...

    • Design of controllers for electrical power systems using a complex root locus method 

      Dòria Cerezo, Arnau; Bodson, Marc (2016-06-01)
      Article
      Accés obert
      A large class of three-phase electrical power systems possess symmetry conditions that make it possible to describe their behavior using single-input single-output transfer functions with complex coefficients. In such ...

    • Design of discrete-time finite-gain resonators in AFC control 

      Orellana Barceló, Marcos; Griñó Cubero, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The control technique based on infinite-gain resonators also called Adaptive Feedforward Cancellation (AFC) has been used for some years, mainly in continuous time. In this article, finite-gain resonators in discrete time ...

    • Design of linear controllers applied to an ethanol steam reformer for PEM fuel cell applications 

      García, Vanesa Mariel; Serra, Maria; Llorca Piqué, Jordi; Riera, Jordi (Riera Colomer) (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This 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 

      García, Vanesa Mariel; Serra, Maria; Llorca, J.; Riera, Jordi (Riera Colomer) (2013)
      Article
      Accés restringit per política de l'editorial
      This 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 ...

    • 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
      Accés obert
      Water 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 ...

    • Diagnosis tools for PEMFC using humidification interruption tests 

      Primucci, Mauricio Ariel; Serra, Maria; Riera, Jordi (Riera Colomer) (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This 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 

      Escobet Canal, Teresa; Feroldi, Diego Hernán; Quevedo Casín, Joseba Jokin; De Lira Ramírez, Salvador; Puig Cayuela, Vicenç; Riera, Jordi (Riera Colomer); Serra, Maria (APPICE, 2008)
      Text en actes de congrés
      Accés obert
      En 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 ...

    • Differential flatness of a class of n-DOF planar manipulators driven by 1 or 2 actuators 

      Franch Bullich, Jaume; Agrawal, Sunil K.; Sangwan, Vivek (2010-02)
      Article
      Accés obert
      A fully actuated system can execute any joint trajectory. However, if a system is under-actuated, not all joint trajectories are attainable. The authors have actively pursued novel designs of under-actuated robotic arms ...

    • Differential flatness of a class of n—DOF planar manipulators driven by an arbitrary number of actuators 

      Franch Bullich, Jaume; Reyes Jimenez, Alejandro; Agrawal, Sunil K. (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper deals with the problem of feedback linearization, either by dynamic or static feedback, of a planar robot manipulator with n links and m inputs. The robot is pro-vided with a particular inertia distribution in ...

    • Digital AFC control of a three-phase three-wire unity-power-factor PWM rectifier 

      Orellana Barceló, Marcos; Griñó Cubero, Robert (IEEE, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Nowadays, ac/dc power converters must fulfill more and more design constraints with respect to the electrical grid: harmonics reduction, operation with sags and swells and/or high grid impedances, etc. This is a challenge ...

    • Digital control of multiphase series capacitor buck converter prototype for the powering of HL-LHC inner triplet magnets 

      Ibarra Basabe, Edorta; Arias Pujol, Antoni; Martínez de Alegría, Iñigo; Otero, Alberto; de Mallac, Louis (Institute of Electrical and Electronics Engineers (IEEE), 2022-10-01)
      Article
      Accés obert
      A major upgrade will be conducted in the Large Hardon Collider (LHC) at CERN. This high-luminosity (HL) version of the LHC will increase the nominal luminosity by a factor of five. One of the key technologies of the HL-LHC ...

    • Digital Repetitive Control of a Three-Phase Four-Wire Shunt Active Filter 

      Griñó Cubero, Robert; Cardoner Parpal, Rafel; Costa Castelló, Ramon; Fossas Colet, Enric (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2007-06-30)
      Article
      Accés obert
      Shunt active power filters have been proved as useful elements to correct distorted currents caused by nonlinear loads in power distribution systems. This paper presents an all-digital approach based on a particular ...