Ara es mostren els items 1-20 de 42

  • A survey of repetitive control in varying frequency conditions 

    Fuentes, G.A.R.; Olm Miras, Josep Maria; Costa Castelló, Ramon (2011-08)
    Article
    Accés obert
    Digital repetitive control is a strategy that allows tracking/ rejecting periodic signals. Repetitive controllers are designed assuming that the exogenous signal period is constant and known, its main drawback being the ...
  • Adaptive Compensation Strategy For The Tracking/Rejection of Signals with Time-Varying Frequency in Digital Repetitive Control Systems 

    Ramos Fuentes, Germán Andrés; Olm Miras, Josep Maria; Costa Castelló, Ramon (2009-09)
    Text en actes de congrés
    Accés obert
    Digital repetitive control is a technique which al- lows to track periodic references and/or reject peri- odic disturbances. Repetitive controllers are usually de- signed assuming a fixed frequency for the signals to ...
  • An educational approach to the internal model principle for periodic signals 

    Costa Castelló, Ramon; Olm Miras, Josep Maria; Vargas, Hector; Ramos Fuentes, Germán Andrés (2012-08)
    Article
    Accés obert
    This article presents an educational approach to resonant control and repet- itive control, which are Internal Model Principle-based control techniques speci cally de- signed for the tracking/rejection of periodic signals. ...
  • Analysis and design of a robust odd-harmonic repetitive controller for an active filter under variable network frequency 

    Ramos Fuentes, Germán Andrés; Costa Castelló, Ramon; Olm Miras, Josep Maria (2012-09)
    Article
    Accés restringit per política de l'editorial
    Frequencyvariationsintheelectricalnetworkmaycauseadramaticperformancedecayinrepetitive controlledactivefiltersintendedtoremoveodd-harmonicdistortioninsingle-phaseACloads.This work presentsanodd-harmonicrepetitivecontro ...
  • Análisis de estabilidad de un sistema de control repetitivo digital con periodo de muestreo variable 

    Olm Miras, Josep Maria; Costa Castelló, Ramon; Ramos Fuentes, Germán Andrés (Universidad Carlos III de Madrid (UC3M), 2008)
    Text en actes de congrés
    Accés restringit per decisió de l'autor
  • Atenuación de perturbaciones periódicas mediante control MRAC con síntesis de controlador mínima 

    Larco Barros, Ciro Mauricio; Costa Castelló, Ramon; Olm Miras, Josep Maria (2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    El seguimiento/rechazo de perturbaciones periódicas en sistemas lineales es factible utilizando controladores basados en el principio del modelo interno. Sin embargo, cuando la frecuencia de la señal a seguir/rechazar es ...
  • Bifurcation analysis of a Lyapunov-based controlled boost converter 

    Spinetti Rivera, Mario de Jesús; Olm Miras, Josep Maria; Biel Solé, Domingo; Fossas Colet, Enric (2013-11)
    Article
    Accés restringit per política de l'editorial
    Lyapunov-based controlled boost converters have a unique equilibrium point, which is globally asymptotically stable, for known resistive loads. This article investigates the dynamic behaviors that appear in the system when ...
  • Bounded synchronization in resistive multi-terminal VSC-HVDC transmission systems 

    Dòria Cerezo, Arnau; Olm Miras, Josep Maria; di Bernardo, Mario; Quaglia, Massimiliano; Nuño, Emmanuel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Multi-terminal VSC-HVDC transmission is a promising solution to transport energy from the generating plants to the distribution stations, and the number and size of the corresponding power grids is expected to increase in ...
  • Control Adaptativo por Modelo de Referencia con Síntesis de Controlador Mínima 

    Olm Miras, Josep Maria (2012)
    Text en actes de congrés
    Accés obert
    En este trabajo se revisa la técnica de control adaptativo por modelo de referencia con síntesis de controlador mínima y se relacionan las diferentes extensiones del método que se encuentran en la literatura especializada.
  • Control adaptativo por modelo de referencia para un inversor basado en LCL con Síntesis de Controlador Mínima 

    Larco Barros, Ciro Mauricio; Costa Castelló, Ramon; Olm Miras, Josep Maria (Comité Español de Automática (CEA-IFAC), 2016)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Un Control Adaptativo por Modelo de Referencia MRAC con Síntesis de Controlador Mínima MCS, es desarrollado con el objetivo de controlar un Inversor monofásico basado en un Filtro LCL conectado a la Red Eléctrica y adaptar ...
  • Control en modo deslizante de un inversor trabajando a frecuencia de conmutación fija 

    Repecho del Corral, Víctor; Biel Solé, Domingo; Olm Miras, Josep Maria (2016)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    El presente trabajo propone un método para la regulación de frecuencia en controladores deslizantes trabajando en seguimiento de señales. La técnica incluye un lazo de control adicional con un comparador de histerésis ...
  • Control repetitivo digital de sistemas con frecuencia incierta o variante en el tiempo 

    Costa Castelló, Ramon; Ramos Fuentes, Germán Andrés; Olm Miras, Josep Maria (2012-07-01)
    Article
    Accés restringit per política de l'editorial
    El control repetitivo digital es una t´ecnica basada en el principio del modelo interno que permite seguir y/o rechazar se˜nales peri´odicas. Una hip´otesis clave en los dise˜nos tradicionales de control repetitivo es que ...
  • 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 ...
  • Digital repetitive control under non-uniform sampling: an LMI stability analysis 

    Ramos Fuentes, Germán Andrés; Olm Miras, Josep Maria; Costa Castelló, Ramon (2011-07-01)
    Article
    Accés obert
    Digital repetitive control is a technique which allows tracking periodic references and/or rejecting periodic disturbances. Repetitive controllers are usually designed assuming a fixed fundamental frequency for the signals ...
  • Discrete-time integral MRAC with minimal controller synthesis and parameter projection 

    Montanaro, Umberto; Olm Miras, Josep Maria (2015-09-25)
    Article
    Accés obert
    Model reference adaptive controllers with Minimal Control Synthesis are effective control algorithms to guarantee asymptotic convergence of the tracking error to zero not only for disturbance-free uncertain linear systems, ...
  • Existence of periodic solutions with nonconstant sign in a class of generalized abel equations 

    Olm Miras, Josep Maria; Ros Oton, Xavier (2013-04)
    Article
    Accés obert
    This article provides sufficient conditions for the existence of periodic solutions with nonconstant sign in a family of polynomial, non-auto-nomous, firrst-order diferential equations that arise as a generalization of the ...
  • Experimental validation of the discrete-time MCS adaptive strategy 

    di Bernardo, Mario; di Gaeta, Alessandro; Montanaro, Umberto; Olm Miras, Josep Maria; Santini, S. (2013-06)
    Article
    Accés obert
    This paper is concerned with the implementation and experimental validation of a discrete-time model reference adaptive control strategy, known as Minimal Control Synthesis(MCS)algorithm. After discussing the proof of ...
  • 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
    Accés restringit per política de l'editorial
    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 ...
  • 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
    Accés obert
    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 ...
  • Harmonic balance-based control of a boost DC/AC converter 

    Olm Miras, Josep Maria; Biel Solé, Domingo; Spinetti Rivera, Mario de Jesús; Fossas Colet, Enric (2012-08)
    Article
    Accés obert
    The achievement of step-up inversion with a boost DC/AC converter requires appropriate periodic references for inductor currents, which have to satisfy ordinary differential equations (ODE) of the Abel type. These are ...