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Ara es mostren els items 1-20 de 23

  • A boundary control technique to the string-tip-mass system based on a non-symmetric peak-detector model 

    Acho Zuppa, Leonardo; Pujol Vázquez, Gisela (2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper presents a vibration control design to the string-tip-mass system by using a non-symmetric peakdetector mechanism. Previously, this peak-detector system was used as an easy algorithm to mitigate vibration on ...

  • Adaptive finite-time stabilization of chaotic flow with a single unstable node using a nonlinear function-based global sliding mode 

    Mobayen, Saleh; Ma, Jun; Pujol Vázquez, Gisela; Acho Zuppa, Leonardo; Zhu, Quanmin (2018)
    Article
    Accés restringit per política de l'editorial
    This article presents a novel adaptive finite-time stabilization technique based on global sliding mode for disturbed chaotic flow with a single unstable node. The considered chaotic flow has unusual characteristics ...

  • Adaptive-smith predictor for controlling an automotive electronic throttle over network 

    Caruntu, Constantin; Vargas, Alessandro; Acho Zuppa, Leonardo; Pujol Vázquez, Gisela (Elsevier, 2018-04)
    Article
    Accés obert
    The paper presents a control strategy for an automotive electronic throttle, a device used to regulate the power produced by spark-ignition engines. Controlling the electronic throttle body is a difficult task because ...

  • A new device laboratory: Experimental validation 

    Pujol Vázquez, Gisela; Acho Zuppa, Leonardo; Nápoles Alberro, Amelia; Estrada, J.; Santos, D.; Pérez Gracia, María de la Vega (2013)
    Comunicació de congrés
    Accés obert

  • A nonlinear damping control for the vibration mitigation of the benchmark highway bridge 

    Pujol Vázquez, Gisela; Acho Zuppa, Leonardo; Pozo Montero, Francesc; Rodellar Benedé, José (2009-08)
    Article
    Accés obert
    Active, passive and semi-active controls have been extensively considered to improve the protection of structures against earthquakes. In this paper, we present a new nonlinear damper, which is then applied to a three-dimensional ...

  • A robust LMI approach on nonlinear feedback stabilization of continuous state-delay systems with Lipschitzian nonlinearities : experimental validation 

    Mobayen, Saleh; Pujol Vázquez, Gisela (2018-07-14)
    Article
    Accés restringit per política de l'editorial
    This paper suggests a novel nonlinear state-fe edback stabilization control law using linear matrix inequalities for a class oftime-delayed nonlinear dynamic systems with Lipschitz nonlinearity conditions. Based on the ...

  • Asymetric modelling and control of an electronic throttle 

    Pujol Vázquez, Gisela; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Vargas, Alessandro N. (2016-03)
    Article
    Accés obert
    This paper presents an improved model for an automotive electronic throttle inspired on the behavior observed in real-time experiments. Due to a number of issues, particularly the return-spring, the performance of the ...

  • A velocity based active vibration control of hysteretic systems 

    Pozo Montero, Francesc; Pujol Vázquez, Gisela; Acho Zuppa, Leonardo; Rodriguez Tsouroukdissian, Arturo; Vidal Seguí, Yolanda (2011)
    Text en actes de congrés
    Accés obert

  • A velocity based active vibration control of hysteretic systems 

    Pujol Vázquez, Gisela; Acho Zuppa, Leonardo; Pozo Montero, Francesc; Rodriguez, Arturo; Vidal Seguí, Yolanda (2011-01)
    Article
    Accés obert
    Hysteresis is a property of systems that do not instantly follow the forces applied to them, but react slowly, or do not return completely to their original state. A velocity based active vibration control, along with a ...

  • Contribució al control fiable de sistemes interconnectats amb incerteses 

    Pujol Vázquez, Gisela (Universitat Politècnica de Catalunya, 2004-11-19)
    Tesi
    Accés obert
    En aquesta tesi, presentem una solució per a dos problemes rellevants en la teoria de control: el problema del cost quadràtic garantit i el problema del control H∞, per a un cert tipus de sistemes. Considerem els ...

  • H8 control design for mechanisms with backlash 

    Pujol Vázquez, Gisela; Ikhouane, Fayçal; Acho Zuppa, Leonardo (2009)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    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 ...

  • LMI control design on structural systems with experimental study 

    Pujol Vázquez, Gisela; Acho Zuppa, Leonardo (2012)
    Comunicació de congrés
    Accés obert
    A nonlinear robust control is developed for active mass damper system subject to external perturbation. This nonlinear controller is composed by the sum of a linear term plus a chattering component. The linear term is ...

  • Matemàtiques per a l’enginyeria a l’Espai Europeu d’Educació Superior: Me4s 

    Pujol Vázquez, Gisela; Gibergans Bàguena, José; Buenestado Caballero, Pablo; Guerrero, Joaquin (2009-02-12T16:32:47Z)
    Text en actes de congrés / Comunicació de congrés
    Accés obert
    Aquest projecte ha permès generar material docent en l’àrea de matemàtiques, basat en l’ús del software matemàtic Maple. S’ha publicat un llibre amb Edicions UPC, titulat Matemáticas para la Ingeniería con Maple, a ...

  • Me4s: Mathematics for engineering in the context european higher 

    Pujol Vázquez, Gisela; Buenestado Caballero, Pablo; Gibergans Bàguena, José (Universiteit van Amsterdam, 2008)
    Comunicació de congrés
    Accés obert
    En base a los cambios motivados por la aprobación de los nuevos títulos de grado, este trabajo presenta los resultados del proyecto de innovación docente denominado “ME4s: Matemáticas para la Ingeniería en el Espacio Europeo ...

  • Minor loops of the Dahl and LuGre models 

    Ikhouane, Fayçal; Mañosa Fernández, Víctor; Pujol Vázquez, Gisela (2018-12-01)
    Report de recerca
    Accés obert
    Hysteresis is a special type of behavior encountered in physical systems: in a hysteretic system, when the input is periodic and varies slowly, the steady-state part of the output-versus-input graph becomes a loop called ...

  • On the stability in probability of Markov jump systems with quadratic terms 

    Vargas, Alessandro N.; Pujol Vázquez, Gisela; Acho Zuppa, Leonardo; do Val, Joao B.R. (2015)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    The note presents conditions to assure the stability in probability for a class of continuoustime quadratic Markov jump systems. From the viewpoint of the state-space evolution, the system has two parts: (i) a linear term, ...

  • Output feedback of Markov jump linear systems with no mode observation: An automotive throttle application 

    Vargas, Alessandro N.; Acho Zuppa, Leonardo; Pujol Vázquez, Gisela; Costa, Eduardo F.; Ishihara, João Y.; João B. R. do Val, João B. R. (2015-07-30)
    Article
    Accés restringit per política de l'editorial
    The note presents an output feedback control strategy for Markov jump linear systems with no mode observation. Based on minimizing a finite-time quadratic cost, we derive an algorithm that generates output feedback gains ...

  • Reliable guaranteed cost control for parameterized interconnected systems with LMI characterization 

    Pujol Vázquez, Gisela; Rodellar Benedé, José; Rossell Garriga, Josep Maria (2005)
    Text en actes de congrés
    Accés obert
    This paper presents the design of a reliable decentralized state feedback control for a class of uncertain interconnected polytopic continous systems. A model of failures in actuators is adopted which considers outages ...

  • Robust H2 static output feedback to control an autmomotive throttle valve 

    Vargas, Alessandro; Acho Zuppa, Leonardo; Pujol Vázquez, Gisela; Oliveira, Ricardo C.L.F.; do Val, Joao B.R.; Peres, Pedro L.D. (2014)
    Comunicació de congrés
    Accés obert
    The paper presents a control strategy for an automotive electronic throttle body, a device largely used into vehicles to increase the efficiency of the combustion engines. The synthesis of the proposed controller is based ...

  • Rotary inverted pendulum with magnetically external perturbations as a source of the pendulum’s base navigation commands 

    Pujol Vázquez, Gisela; Acho Zuppa, Leonardo; Mobayen, Saleh; Nápoles Alberro, Amelia; Perez Gracia, Vega (2018-07)
    Article
    Accés restringit per política de l'editorial
    The main objective of this paper is to drive a rotary inverted pendulum by following a desired navigation instruction. This navigation is commanded by the user through a new electromagnetic device which is allowed to perturb ...