Exploració per autor "Fossas Colet, Enric"Més informacióMés informació

Ara es mostren els items 51-70 de 111

    • 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 ...

    • 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
      Accés obert
      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 experimental setup: generator and converter 

      Dòria Cerezo, Arnau; Batlle Arnau, Carles; Fossas Colet, Enric (2006-01)
      Report de recerca
      Accés obert
      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: 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)
      Report de recerca
      Accés obert
      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)
      Report de recerca
      Accés obert
      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)
      Report de recerca
      Accés obert
      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)
      Report de recerca
      Accés obert
      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. ...

    • 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 ...

    • Herramienta interactiva para el aprendizaje del control en modo de deslizamiento en R22 

      Carrero Candelas, Niliana Andreina; Costa Castelló, Ramon; Dormido Bencomo, Sebastián; Fossas Colet, Enric (2010-06-01)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      En este trabajo se presenta una herramienta interactiva en 2D para ilustrar los conceptos teoricos de control en modo de deslizamiento en sistemas dinamicos lineales. El objetivo final es facilitar a los alumnos la posibilidad ...

    • 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)
      Text en actes de congrés
      Accés obert
      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
      Accés obert
      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 ...

    • Hybrid model of a double-fed induction machine and back-to-back converter 

      Batlle Arnau, Carles; Dòria Cerezo, Arnau; Fossas Colet, Enric (2005-01)
      Report de recerca
      Accés obert
      This report details the port interconnection of two subsystems: a power electronics subsystem (a back-to-back AC/AC converter (B2B), coupled to a phase of the power grid), and an electromechanical subsystem (a doubly-fed ...

    • Hybrid model of a doubly-fed induction machine and back-to-back converter 

      Batlle Arnau, Carles; Dòria Cerezo, Arnau; Fossas Colet, Enric (2005-03)
      Report de recerca
      Accés obert
      This report details the port interconnection of two subsystems: a power electronics subsystem (a back-to-back AC/AC converter (B2B), coupled to a phase of the power grid), and an electromechanical subsystem (a doubly-fed ...

    • Improving the robustness of Hamiltonian passive control 

      Batlle Arnau, Carles; Dòria Cerezo, Arnau; Fossas Colet, Enric (2006-03)
      Report de recerca
      Accés obert
      Interconnection and damping assignment passivity based control (IDA-PBC) is a well know technique for port Hamiltonian dissipative systems (PHDS). In this paper we point out the kind of problems that can appear in the ...

    • Interleaving quasi-sliding-mode control of parallel-connected buck-based inverters 

      Ramos Lara, Rafael Ramón; Biel Solé, Domingo; Fossas Colet, Enric; Guinjoan Gispert, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2008-11)
      Article
      Accés obert
      An interleaving fixed-switching-frequency quasi-sliding control algorithm based on the zero average dynamics approach is reported and applied to the design of a modular system of parallel-connected single-phase inverters. ...

    • Iterative approximation of unstable limit cycles for a class of Abel equations 

      Fossas Colet, Enric; Olm Miras, Josep Maria; Sira-Ramírez, Hebertt (2007)
      Report de recerca
      Accés obert
      This report considers the analytical approximation of unstable limit cycles that may appear in Abel equations written in the normal form. The procedure uses an iterative approach that takes advantage of the contraction ...

    • Leonhard Euler: quatre lIiçons escollides 

      Fossas Colet, Enric (2014-01-31)
      Altres
      Accés obert
      L'FME dedica el curs acadèmic 2006-2007 a la figura del matemàtic suís Leonhard Euler, una de les ments més importants de la història, comparable a Gauss o Arquímedes. La lliçó inaugural va anar a càrrec d'Enric Fossas, ...

    • Leonhard Euler: quatre lliçons escollides 

      Fossas Colet, Enric (Societat Catalana de Matemàtiques, 2007-12)
      Article
      Accés obert
      Aprofitant la commemoració durant el curs 2006-2007 del tricentenari del naixement d’Euler, es presenten quatre temes d’entre els seus treballs: els logaritmes, la fórmula d’Euler, el problema de Basilea i el disseny d’un ...

    • Llicó inaugural : Leonhard Euler 

      Fossas Colet, Enric (2006-09-20)
      Audiovisual
      Accés obert
      L'FME dedica el curs acadèmic 2006-2007 a la figura del matemàtic suís Leonhard Euler, una de les ments més importants de la història, comparable a Gauss o Arquímedes. La lliçó inaugural va anar a càrrec d'Enric Fossas, ...

    • Modeling a coupled-inductor boost converter in the complementarity framework 

      Carrero Candelas, Niliana Andreina; Batlle Arnau, Carles; Fossas Colet, Enric (2013)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      We consider the modeling of switching circuits, consisting of passive elements, independent sources, which are subject both to externally induced switches (time events) and to state events. We focus on the use of the ...