Ara es mostren els items 20-39 de 95

    • Comparison of first- and second-order sliding-mode controllers for a dc-dc dual active bridge 

      Dòria Cerezo, Arnau; Serra, Federico; Esteban, Francisco Daniel; Biel Solé, Domingo; Griñó Cubero, Robert (Institute of Electrical and Electronics Engineers (IEEE), 2022-04-12)
      Article
      Accés obert
      This paper compares four sliding-mode control strategies for a dual active bridge. The proposed control algorithms define different switching functions resulting in first-and second-order controllers, and using both ...
    • Comprehensive high speed automotive SM-PMSM torque control stability analysis including novel control approach 

      Arias Pujol, Antoni; Ibarra Basabe, Edorta; Trancho, Elena; Griñó Cubero, Robert; Kortabarria, Iñigo; Caum Aregay, Jesús (2019-07-01)
      Article
      Accés obert
      Permanent magnet synchronous machines (PMSM) are widely used in the automotive industry for electric vehicle (EV) and hybrid electric vehicle (HEV) propulsion systems, where the trend is to achieve high mechanical speeds. ...
    • Conceptes i eines matemàtiques en automàtica 

      Griñó Cubero, Robert (2019-05-22)
      Audiovisual
      Accés obert
    • Conditions for existence of equilibria of systems with constant power loads 

      Sanchez Acevedo, Santiago; Ortega, Romeo; Griñó Cubero, Robert; Bergna, Gilbert; Molinas Cabrera, Marta (2014-07-01)
      Article
      Accés restringit per política de l'editorial
      In this paper we investigate the sine qua non condition of existence of equilibria for electrical systems with external (AC or DC) sources furnishing constant power to the loads, which is a scenario encountered in modern ...
    • Conditions for existence of equilibrium points of systems with constant power loads 

      Sanchez, Santiago; Ortega, Romeo; Bergna, Gilbert; Molinas, Marta; Griñó Cubero, Robert (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper we investigate the sine qua non condition of existence of equilibria for electrical systems with external sources furnishing constant power to the loads, which is a scenario encountered in modern applications. ...
    • Contribución a la identificación de sistemas dinámicos mediate métodos conexionistas 

      Griñó Cubero, Robert (Universitat Politècnica de Catalunya, 1997-10-24)
      Tesi
      Accés obert
      El presente trabajo de tesis doctoral propone una clase de modelos, con estructura de red neuronal con dinámica aditiva evolucionando en tiempo continuo, para la identificación de sistemas dinámicos.<br/><br/>Para la clase ...
    • Control adaptativo de un convertidor DC-DC multipuerto para vehículos electrificados 

      Olm Miras, Josep Maria; Fossas Colet, Enric; Repecho del Corral, Víctor; Dòria Cerezo, Arnau; Griñó Cubero, Robert (2021)
      Text en actes de congrés
      Accés obert
      Este artículo presenta una estrategia adaptativa para regular la tension de salida de un convertidor dc-dc ´ multipuerto acoplado magneticamente destinado a aplicaciones áutomotrices. El algoritmo propuesto brinda solidez ...
    • Control digital basado en AFC de un rectificador trifásico PWM 

      Orellana Barceló, Marcos; Griñó Cubero, Robert (2013)
      Text en actes de congrés
      Accés obert
      La operación de los convertidores de potencia conectados a la red eléctrica está sometida cada vez a más condicionantes (reducción de armónicos, funcionamiento en presencia de sags y swells, altas impedancias de red, etc.). ...
    • Control y análisis de la dinámica cero en inversores trifásicos de fuente de corriente mediante un modelo de variables de estado complejas 

      Rahimi, Leila; Dòria Cerezo, Arnau; Griñó Cubero, Robert (2023)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Este trabajo analiza la dinámica cero de inversores de fuente de corriente trifásicos alimentados desde una fuente de tensión y conectados a una carga resistiva local o a la red eléctrica. El análisis de la dinámica cero ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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 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 ...
    • Discrete-time AFC control of a single-phase full-bridge LCL PWM rectifier 

      Orellana Barceló, Marcos; Griñó Cubero, Robert (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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)
      Text en actes de congrés
      Accés obert
      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)
      Text en actes de congrés
      Accés obert
      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) : 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)
      Text en actes de congrés
      Accés obert
      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 ...
    • 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)
      Text en actes de congrés
      Accés obert
      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 ...