Now showing items 1-20 of 37

    • 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)
      Conference report
      Restricted access - publisher's policy
      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 ...
    • 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)
      Conference lecture
      Open Access
    • 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
      Open Access
      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 recent electronic control circuit to a throttle device 

      Acho Zuppa, Leonardo; Pujol Vázquez, Gisela; Gibergans Bàguena, José (2020-01)
      Article
      Open Access
      The main objective of this paper is to conceive a recent electronic control circuit to the throttle device. The throttle mechanical actuator is the most important part in an automotive gasoline engine. Among the different ...
    • A robust LMI approach on nonlinear feedback stabilization of continuous state-delay systems with Lipschitzian nonlinearities : experimental validation 

      Mobayen, Saleh; Pujol Vázquez, Gisela (2019-09)
      Article
      Open Access
      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 ...
    • 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)
      Conference report
      Open Access
    • 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
      Open Access
      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 ...
    • 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 (2019-07)
      Article
      Open Access
      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
      Open Access
      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 ...
    • Asymetric modelling and control of an electronic throttle 

      Pujol Vázquez, Gisela; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Vargas, Alessandro N. (2016-03)
      Article
      Open Access
      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 ...
    • Contribució al control fiable de sistemes interconnectats amb incerteses 

      Pujol Vázquez, Gisela (Universitat Politècnica de Catalunya, 2004-11-19)
      Doctoral thesis
      Open Access
      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 ...
    • Decentralised reliable guaranteed cost control of uncertain systems: an LMI design 

      Pujol Vázquez, Gisela; Rodellar Benedé, José; Rossell Garriga, Josep Maria; Pozo Montero, Francesc (2007-05)
      Article
      Open Access
      The problem of designing a decentralised control scheme for a class of linear large scale interconnected systems with norm-bounded time-varying parameter uncertainties under a class of control failures is addressed. These ...
    • Fault detection algorithm for wind turbines’ pitch actuator systems 

      Pujol Vázquez, Gisela; Acho Zuppa, Leonardo; Gibergans Bàguena, José (2020-06-04)
      Article
      Open Access
      A fault detection innovation to wind turbines’ pitch actuators is an important subject to guarantee the efficiency wind energy conversion and long lifetime operation of these rotatory machines. Therefore, a recent and ...
    • Fault detection based on Lyapunov exponents estimation for stabilized mechanical systems 

      Puzzyrov, Volodymyr; Acho Zuppa, Leonardo; Pujol Vázquez, Gisela; Rodellar Benedé, José (2019-04)
      Article
      Open Access
      We study a stabilizable mechanical system in the vicinity of an equilibrium position. This position, as a rule, is unstable, and the system is underactuated. It is assumed that faults affect the technical process and its ...
    • 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 ...
    • LMI control design on structural systems with experimental study 

      Pujol Vázquez, Gisela; Acho Zuppa, Leonardo (2012)
      Conference lecture
      Open Access
      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)
      Conference report / Conference lecture
      Open Access
      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)
      Conference lecture
      Open Access
      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 ...
    • MÈTODES MATEMÀTICS I (Examen 1r quadrimestre, 1r parcial) 

      Pujol Vázquez, Gisela (Universitat Politècnica de Catalunya, 2016-11-04)
      Exam
      Restricted access to the UPC academic community
    • MÈTODES MATEMÀTICS I (Examen 1r quadrimestre, 2n parcial) 

      Pujol Vázquez, Gisela (Universitat Politècnica de Catalunya, 2017-01-11)
      Exam
      Restricted access to the UPC academic community