Now showing items 21-40 of 82

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

    Orellana Barceló, Marcos; Griñó Cubero, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • Digital AFC control of a three-phase three-wire unity-power-factor PWM rectifier 

    Orellana Barceló, Marcos; Griñó Cubero, Robert (IEEE, 2013)
    Conference report
    Restricted access - publisher's policy
    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 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 ...
  • Discrete-time AFC control of a single-phase full-bridge LCL PWM rectifier 

    Orellana Barceló, Marcos; Griñó Cubero, Robert (2013)
    Conference report
    Restricted access - publisher's policy
    Controllers for ac/dc power converters are subject to many constraints: first, they must be reliable when working conditions are not ideal, i.e., when the grid voltages present sags or swells, big impedances, changes in ...
  • Diseño de un controlador para el rechazo selectivo de armónicos de tensión en un inversor CC-CA 

    Malo Barragán, Shane Leonardo; Griñó Cubero, Robert (Benemérita Universidad Autónoma de Puebla, 2007)
    Conference report
    Open Access
    Los inversores cc-ca (corriente continua-corriente alterna) son necesarios en numerosas aplicaciones. El inversor cc-ca de puente completo ha sido tratado ampliamente tanto en aplicaciones industriales como en la literatura. ...
  • Disturbance Observer based Repetitive Controller for Time-Delay Systems 

    Na, Jing; Costa Castelló, Ramon; Griñó Cubero, Robert; Xuemei, Ren (2009-09-22)
    Conference report
    Open Access
    This paper presents a discrete control design for time-delay systems subjected to the periodical command signal or exogenous disturbances. Unlike other deadtime compensators (DTC), we take profit of the system components ...
  • Duino-Based Learning (DBL) in control engineering courses 

    Lerma Macaya, Eneko; Costa Castelló, Ramon; Griñó Cubero, Robert; Sanchis, Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Conference report
    Open Access
    This document presents a project to develop freely redistributable materials to conduct educational lab projects with MATLAB, Simulink, Arduino and low-cost plants. This work materials introduce the fundamentals of Control ...
  • Duino-Based Learning (DBL) : Un proyecto para facilitar el uso de arduino y matlab en la docencia de la automática. 

    Lerma Macaya, Eneko; Costa Castelló, Ramon; Griñó Cubero, Robert; Sanchis, Carlos (2019)
    Conference report
    Open Access
    En este trabajo se presenta un conjunto de puntos de partida para llevar a cabo un aprendizaje basado en proyectos, ya que, normalmente, esta metodología suele ser difícil de implementarla desde cero. Duino-Based Learning ...
  • Dynamic energy router: energy management in electrical systems fed by multiple sources 

    Sanchez Squella, Antonio; Ortega, Romeo; Griñó Cubero, Robert; Malo Barragán, Shane Leonardo (2010-12)
    Article
    Open Access
    In this article we consider the objective of efficient transfer of electric energy between subsystems, where each subsystem can generate, store, or consume energy.
  • Dynamic study of a supercritical carbon dioxide power cycle for DEMO 

    Batet Miracle, Lluís; Linares, José Ignacio; Aulet Prieto, David; Cantizano González, Alexis; Griñó Cubero, Robert; Moratilla, Beatriz Y. (2016)
    Conference report
    Restricted access - publisher's policy
    In the framework of the research program undertaken by the EUROFusion consortium (within H2020), the feasibility has been analysed of using a supercritical carbon dioxide Brayton cycle as the power conversion system in a ...
  • G2V and V2G operation 20 kW battery charger 

    Escoda, Jordi; Fontanilles, Joan; Biel Solé, Domingo; Repecho del Corral, Víctor; Cardoner Parpal, Rafel; Griñó Cubero, Robert (2013)
    Conference report
    Restricted access - publisher's policy
    This paper presents a bidirectional on-board battery charger for Electric Vehicles designed to perform both Grid to Vehicle (G2V) and Vehicle to Grid (V2G) operation. The charger can also operate with single or three-phase ...
  • 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: 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: 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. ...
  • High performance control of a single-phase shunt active filter 

    Costa Castelló, Ramon; Griñó Cubero, Robert; Cardoner Parpal, Rafel; Fossas Colet, Enric (Institute of Electrical and Electronics Engineers, 2007)
    Conference report
    Open Access
    Shunt active power filters are devices connected in parallel with nonlinear and reactive loads which are in charge of compensating these characteristics in order to assure the quality of the distribution network. This ...
  • High-Performance Control of a Single-Phase Shunt Active Filter 

    Costa Castelló, Ramon; Griñó Cubero, Robert; Cardoner Parpal, Rafel; Fossas Colet, Enric (2009-11)
    Article
    Open Access
    Shunt active power filters are devices, connected in parallel with nonlinear and reactive loads, which are in charge of compensating these characteristics in order to assure the quality of the distribution network. This ...
  • Hinf current controller for input admittance shaping of VSC-based grid applications 

    Pérez, Jorge; Cóbreces Álvarez, Santiago; Griñó Cubero, Robert; Rodriguez Sanchez, Francisco Javier (2017-04-01)
    Article
    Open Access
    This paper presents a current controller that shapes, in the frequency domain, the input admittance of voltage-source converters connected to the grid. The controller is obtained by means of a H8 synthesis procedure, which ...
  • Hinf simultaneous admittance and tracking current controller of three-phase active grid front-ends 

    Pérez, Jorge; Cóbreces Álvarez, Santiago; Rodriguez Sanchez, Francisco Javier; Griñó Cubero, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    This paper proposes an H8 current controller that allows power converter input admittance shaping, both in modulus and in phase, in a three phase voltage source converter to grid connection through an L filter. In addition to ...