Now showing items 21-40 of 89

  • Control en modo deslizante para un convertidor reductor multifase en entrelazado con ecualización de corriente 

    Ramos Lara, Rafael Ramón; Biel Solé, Domingo; Fossas Colet, Enric (2011)
    Conference lecture
    Open Access
    La presente comunicación aplica la técnica de control en modo de deslizamiento para la obtención de robustez frente a variaciones de la tensión de entrada, de la carga y de la tensión de referencia en un convertidor ...
  • Control of a Stand-Alone Wound Rotor Synchronous Generator: Two Sliding Mode Approaches via Regulation of the d-Voltage Component 

    Dòria Cerezo, Arnau; Utkin, Vadim; Muñoz Aguilar, Raúl Santiago; Fossas Colet, Enric (2011-05-16)
    Article
    Open Access
    In this brief two sliding mode control alternatives to regulate the stator voltage amplitude for a stand alone wound rotor synchronous generator are presented. Both controllers use the stator voltage -component error ...
  • 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
    Open Access
    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 ...
  • 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
    Open Access
    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 ...
  • Diseño de un convertidor CC-CC doble boost acoplado 

    González, Sergio; Puleston, Paul; Fossas Colet, Enric (2012)
    Conference report
    Open Access
    El convertidor de CC a CC doble boost acoplado (C2B) es de interés en aplicaciones emergentes que demandan alto rendimiento y alta relación de conversión, evitando valores extremos del ciclo de trabajo de la llave. El C2B ...
  • Energy-based modelling and control of a multi-domain energy storage and management system 

    Batlle Arnau, Carles; Dòria Cerezo, Arnau; Fossas Colet, Enric; Ortega, Romeo (Inge Troch, Felix Breitenecker, 2006-02)
    Conference report
    Open Access
    We give an overview of part of the chapter of the Geoplex book devoted to examples, specifically the one which deals with electromechanical systems. We study a rather complex example of a port Hamiltonian system made of ...
  • Experimental results on an IDA-PBC controller for a full-bridge boost converter 

    Batlle Arnau, Carles; Dòria Cerezo, Arnau; Fossas Colet, Enric (2006-04)
    External research report
    Open Access
    Experimental results of a new controller able to support bidirectional power flow in a full-bridge rectifier with boost-like topology are obtained. The controller is computed using port Hamiltonian passivity techniques for ...
  • Experiments on generation and conversion 

    Batlle Arnau, Carles; Dòria Cerezo, Arnau; Fossas Colet, Enric (2006-04)
    External research report
    Open Access
    Experimental results of the flywheel energy storage systems are presented. This report finalizes the work of the UPC in the context of the GeoPlex European Project. This document contains only the experimental results of ...
  • Extended SMC for a stand-alone wound rotor synchronous generator 

    Muñoz Aguilar, Raúl Santiago; Dòria Cerezo, Arnau; Fossas Colet, Enric (2017-01-01)
    Article
    Open Access
  • Feedback control of limit cycles: a switching control strategy based on nonsmooth bifurcation theory 

    Angulo García, Fabiola; Bernardo, Mario di; Fossas Colet, Enric; Olivar, Gerard (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-02)
    Article
    Open Access
    In this paper, we present a method to control limit cycles in smooth planar systems making use of the theory of nonsmooth bifurcations. By designing an appropriate switching controller, the occurrence of a corner-collision ...
  • Feedback passivity of nonlinear discrete-time systems with direct input-output link 

    Navarro López, Eva María; Fossas Colet, Enric (Elsevier, 2004-03)
    Article
    Open Access
    This paper is devoted to the study of the feedback passivity property in nonlinear discrete-time systems. The relative degree and zero dynamics of the non-passive system are related to the feedback passivity of the system. ...
  • Fixed frequency sliding mode-based robust inversion with a full-bridge current DC-link buck-boost 

    Olm Miras, Josep Maria; Biel Solé, Domingo; Fossas Colet, Enric; Cardoner Parpal, Rafel (2014-01)
    Article
    Restricted access - publisher's policy
    The substitution of the original switches by a full bridge in a Non-Inverting Buck-Boost converter results in an inverter capable of carrying out step-down and step-up tasks as well under sliding mode control. The control ...
  • Fixed switching frequency sliding mode control using an hysteresis band controller 

    Repecho del Corral, Víctor; Biel Solé, Domingo; Fossas Colet, Enric (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    This paper presents a hysteresis band controller in charge of fixing the switching frequency of a sliding mode controller. The proposed control measures the switching period of the control signal and modifies the hysteresis ...
  • Galerkin method and approximate tracking in a non-minimum phase bilinear system 

    Fossas Colet, Enric; Olm Miras, Josep Maria (American Institute of Mathematical Sciences, 2007-01)
    Article
    Open Access
    The tracking control of non-minimum phase systems is nowadays an open and challenging field, because a general theory is still not available. This article proposes an indirect control strategy in which a key role is played ...
  • Generalized Discontinuous Conduction Modes in the Complementarity Formalism 

    Batlle Arnau, Carles; Fossas Colet, Enric; Merillas Santos, Iván; Miralles de la Asunción, Alicia (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-08)
    Article
    Open Access
    We model dc–dc power converters using the complementarity formalism. For each position of the switches, the dynamics is given by a linear complementarity system which incorporates, in a natural way, the description of ...
  • GEOPLEX: Back-to-back converter for an electrical machine application 

    Batlle Arnau, Carles; Dòria Cerezo, Arnau; Fossas Colet, Enric; Gaviria, César; Griñó Cubero, Robert (Universitat Politècnica de Catalunya. Institut d'Organització i Control de Sistemes Industrials, 2004-10)
    External research report
    Open Access
    The architecture of a back-to-back converter, needed to feed the rotor windings of a 3-phase doubly-fed induction machine and such that power can flow both ways, is described, from both the modelling and experimental ...
  • GEOPLEX: Benchmark Demonstration 

    Batlle Arnau, Carles; Dòria Cerezo, Arnau; Fossas Colet, Enric (Universitat Politècnica de Catalunya. Institut d'Organització i Control de Sistemes Industrials, 2004-10)
    External research report
    Open Access
    In this section, we describe the development of a complex multi-domain electromechanical system as an interconnection of simpler subsystems. We first give a global overview of the total system to be modelled, then describe ...
  • GEOPLEX: Control and analysis of GSSA and VSS models 

    Batlle Arnau, Carles; Fossas Colet, Enric; Gaviria, César; Griñó Cubero, Robert (2004-07)
    External research report
    Open Access
    Two studies about a full-bridge boost rectifier are reported in this deliverable. In the first one the converter is analysed in the frame of Variable Structure Systems and Sliding Mode. In the section 2 of the deliverable, ...
  • GeoPlex experimental setup: generator and converter 

    Dòria Cerezo, Arnau; Batlle Arnau, Carles; Fossas Colet, Enric (2006-01)
    External research report
    Open Access
    The experimental setup of the Flywhell Energy Storage System is presented. The system is made of a doubly-fed induction machine coupled to a flywheel and a back-to-back converter
  • GEOPLEX: GSSA and VSS models 

    Batlle Arnau, Carles; Biel Solé, Domingo; Gaviria, César; Griñó Cubero, Robert; Fossas Colet, Enric; Martínez, Sònia (2006-05-24T10:50:14Z)
    External research report
    Open Access
    This report describes some aspects of the theory of Variable Structure Systems (VSS). It starts with the state-of-the-art classical methods of control and evolves to a description based on average port Hamiltonian models. ...