Now showing items 1-17 of 17

  • Advances in HOSM Control Design and Implementation for PEM Fuel Cell Systems 

    Kunusch, Cristian; Puleston, Paul; Mayosky, Miguel Angel; Serra, Maria (2009)
    Conference report
    Open Access
    A second order sliding mode strategy to control the air supply and oxygen stoichiometry of a fuel cell based generation system is presented. The control design is accomplished from a complete model of a experimental plant ...
  • Controlling a Quadrotor with a Robotic Arm using Nonlinear Model Predictive Control 

    Chávez-Ferrer Marcos, Sebastián (Universitat Politècnica de Catalunya, 2015-01)
    Master thesis
    Open Access
    This thesis designs a method to control a quadrotor equipped with a robotic arm. The arm has been developed in Institut de Rob otica i Inform atica Industrial (CSIC-UPC), namely here IRI. During the project, an algorithm ...
  • Control no lineal d’un dispositiu Twin rotor 

    Barrero Castro, Joel (Universitat Politècnica de Catalunya, 2019-07-16)
    Bachelor thesis
    Open Access
    En aquest projecte es presenta l’aplicació d’una tècnica de control anomenada Control per modes lliscants a un equip de laboratori amb una dinàmica semblant a la d’un helicòpter anomenat Twin Rotor MIMO System creat per ...
  • Corrigendum to 'On the control of non-linear processes: an IDA-PBC approach' (H. Ramírez et al., Journal of Process Control 19 (1) (2009) 405¿414) 

    Batlle Arnau, Carles; Ortega, Romeo; Sbarbaro, Daniel; Ramírez, Héctor (2010-01)
    Article
    Restricted access - publisher's policy
    In a recent paper [1], the Interconnection and Damping Assignment Passivity-based Control (IDA-PBC) method [2] is studied in the case when the key matching equation is not satisfied. The paper proposes to fix a desired ...
  • Design of an unknown input observer for fault diagnosis of non-linear systems with state constraints 

    Witczak, Marcin; Puig Cayuela, Vicenç; Dziekan, L. (2012)
    Conference report
    Restricted access - author's decision
    The paper deals with the problem of designing observers for a class of discrete-time nonlinear systems with an unknown input. In particular, with the use of the Lyapunov method, a design procedure of an asymptotically ...
  • Exact Linearization Nonlinear Neutral-Point Voltage Control for Single-Phase Three-Level NPC Converters 

    Cobreces, Santiago; Bordonau Farrerons, José; Salaet Pereira, Juan Fernando; Bueno, Emilio J.; Rodríguez, Francisco J. (2009-10)
    Article
    Open Access
    This letter proposes a new control scheme for the neutral-point (NP) balance in single-phase three-level NP-clamped converters. The control is addressed considering the plant under study, a nonlinear time-variant system. ...
  • 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 ...
  • Guaranteed cost estimation and control for nonlinear system using LMI optimization 

    Buciakowski, Mariusz; Puig Cayuela, Vicenç (2016)
    Conference report
    Restricted access - publisher's policy
    In the paper, a methodology for the guaranteed cost estimation and control for nonlinear system discretetime systems is proposed. To solve such a challenging problem, the article starts with a general description of the ...
  • H8 control design for mechanisms with backlash 

    Pujol Vázquez, Gisela; Ikhouane, Fayçal; Acho Zuppa, Leonardo (2009)
    Conference lecture
    Restricted access - publisher's policy
    An H∞ output feedback control design is presented for mechanisms with backlash, under the presence of external perturbation. Using the static dead-zone model as a simpler model for backlash, the non-linear problem is cast ...
  • Hands on laboratory for classical nonlinear control systems : the dead-zone case. 

    Lampon Diestre, Cristina; Costa Castelló, Ramon; Dormido Bencomo, Sebastián (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Restricted access - publisher's policy
    Although many control systems are influenced by static non-linearities, most current hands-on laboratories will not show this type of behavior. An analog board module, along with the classic setup plants, would provide a ...
  • Integration of modelica-based models with the JModelica Platform 

    Kraus Cabo, Daniel (Universitat Politècnica de Catalunya / Universität des Saarlandes, 2013)
    Bachelor thesis
    Open Access
    Covenantee:  Universität des Saarlandes
    In this thesis, an introduction to Nonlinear Model Predictive Control (NMPC) combining both theory and application is presented. The basis of the NMPC is described to give a general idea how this process control strategy ...
  • Nonlinear control design and averaging analysis of a full-bridge boost rectifier 

    Abouloifa, A; Giri, F.; Lachkar, I.; Chaoui, F.Z.; Griñó Cubero, Robert (2010-01)
    Article
    Open Access
    We are considering the problem of controlling AC/DC full bridge converters. The control objectives are twofold:(i) guaranteeing a regulated voltage for the supplied load, (ii) enforcing power factor correction (PFC) with ...
  • Non-linear model predictive control applied to PEM Fuel Cells: Anode pressure and humidity regulation 

    Rosanas Boeta, Noè (Universitat Politècnica de Catalunya, 2015-06)
    Master thesis
    Open Access
    In this thesis, a nonlinear model predictive control (NMPC) strategy is proposed to regulate the humidity and pressure in a Proton Exchange Membrane Fuel Cell (PEMFC) anode. The proposed control strategy uses two controllers ...
  • Novel airplane roll mechanism implementation in a wind tunnel 

    Ventura Siches, Jordi (Universitat Politècnica de Catalunya, 2019-09-25)
    Bachelor thesis
    Open Access
    Covenantee:  University of California, Irvine
    According to recent research conducted by professor Haithem E. Taha and Ahmed M. Hasan, there is a loss in the control capabilities of the ailerons when flying at stall regime. Not only the sensitivity of this control ...
  • Output-feedback IDA stabilisation of an SMIB system using a TCSC 

    Espinosa Pérez, Gerardo; Maya Ortiz, Paul; Dòria Cerezo, Arnau; Moreno, Jaime A. (2010-12-12)
    Article
    Open Access
    Interconnection and damping assignment (IDA) passivity-based control (PBC) is currently a well-known viable alternative for solving regulation control problems of a wide class of nonlinear systems. However, a distinctive feature ...
  • Position tracking in delayed bilateral teleoperators without velocity measurements 

    Sarras, Ioannis; Nuño, Emmanuel; Basañez Villaluenga, Luis; Kinnaert, Michel (2016-05-10)
    Article
    Open Access
    This work considers the control of nonlinear bilateral teleoperators with variable time delays without the need of velocity measurements. The recently proposed Immersion and Invariance observer is used to obtain an ...
  • Robust fault detection based on adaptive threshold generation using interval LPV observers 

    Montes de Oca, Saúl; Puig Cayuela, Vicenç; Blesa Izquierdo, Joaquim (2012)
    Article
    Open Access
    In this paper, robust fault detection based on adaptive threshold generation of a non-linear system described by means of a linear parameter-varying (LPV) model is addressed. Adaptive threshold is generated using an ...