Ara es mostren els items 38-52 de 52

    • 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, ...
    • One-degree aerial device: control and experimental development 

      Acho Zuppa, Leonardo; Buenestado Caballero, Pablo; Pujol Vázquez, Gisela (Hindawi, 2024-02-10)
      Article
      Accés obert
      The ball and beam experimental platform is an unstable nonlinear system widely used as a benchmark control setup for testing different controller approaches, especially for beginners on automatic control to improve their ...
    • Optimal complementary matrices in systems with overlapping decomposition: a computational approach 

      Palacios Quiñonero, Francisco; Pujol Vázquez, Gisela; Rodellar Benedé, José; Rossell Garriga, Josep Maria (Institute of Electrical and Electronics Engineers (IEEE), 2006)
      Comunicació de congrés
      Accés obert
      The paper deals with linear quadratic (LQ) optimal control of linear time-invariant (LTI) systems which are decomposed into overlapped subsystems. A mathematical framework (inclusion principle) is available to formalize ...
    • 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.; 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 ...
    • Predictive speed control of a DC universal motor applied to monitor electric vehicle batteries 

      Buenestado Caballero, Pablo; Gibergans Bàguena, José; Acho Zuppa, Leonardo; Pujol Vázquez, Gisela (2023-07-14)
      Article
      Accés obert
      This article deals with the design of a simple predictive control algorithm applied to a bidirectional DC-DC power converter for the angular speed control of a DC motor. We used the dynamics of a DC motor but mathematically ...
    • 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 control design to the Furuta system under time delay measurement feedback and exogenous-based perturbation 

      Pujol Vázquez, Gisela; Mobayen, Saleh; Acho Zuppa, Leonardo (Multidisciplinary Digital Publishing Institute (MDPI), 2020-12)
      Article
      Accés obert
      When dealing with real control experimentation, the designer has to take into account several uncertainties, such as: time variation of the system parameters, exogenous perturbation and the presence of time delay in the ...
    • 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 ...
    • Robust polytopic-LPV body-weight-dependent control of blood glucose in type-1 diabetes 

      Vafamand, Navid; Asemani, Mohammad Hassan; Mobayen, Saleh; Pujol Vázquez, Gisela (Institute of Electrical and Electronics Engineers (IEEE), 2021-07)
      Article
      Accés obert
      This paper presents a robust H8 polytopic Linear Parameter Varying (LPV) controller to reg- ulate the blood glucose level in type-1 diabetes patients. The suggested approach utilizes an observer-based controller and polytopic ...
    • 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 obert
      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 ...
    • Semi-active control of flexible structures using acceleration information via peak-detector systems 

      Pujol Vázquez, Gisela; Acho Zuppa, Leonardo (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents an implementation of a novel semi-active controller that uses only acceleration information, via a magnetorheorological damper, on a flexible structure. This controller was motivated by the scheme of a ...
    • Semi-active magnetic levitation system for education 

      Pujol Vázquez, Gisela; Vargas do Nascimiento, Alessandro; Mobayen, Saleh; Acho Zuppa, Leonardo (Multidisciplinary Digital Publishing Institute, 2021-06)
      Article
      Accés obert
      This paper describes how to construct a low-cost magnetic levitation system (MagLev). The MagLev has been intensively used in engineering education, allowing instructors and students to learn through hands-on experiences ...
    • Stability of Markov jump systems with quadratic terms and its application to RLC circuits 

      Vargas, Alessandro; Pujol Vázquez, Gisela; Acho Zuppa, Leonardo (2016-10-05)
      Article
      Accés obert
      The paper presents results for the second moment stability of continuous-time Markov jump systems with quadratic terms, aiming for engineering applications. Quadratic terms stem from physical constraints in applications, ...
    • Stabilization of two-dimensional nonlinear systems through barrier-function-based integral sliding-mode control: application to a magnetic levitation system 

      Mobayen, Saleh; Vargas do Nascimiento, Alessandro; Acho Zuppa, Leonardo; Pujol Vázquez, Gisela; Caruntu, Constantin (2023-01)
      Article
      Accés obert
      The sliding-mode control (SMC) has been used successfully to stabilize nonlinear systems, yet a side effect of SMC is chattering, an undesired phenomenon. Researchers have then introduced the so called integral-type ...
    • Vibration control of hysteretic base-isolated structures: an LMI approach 

      Pozo Montero, Francesc; Pujol Vázquez, Gisela; Acho Zuppa, Leonardo (2016)
      Article
      Accés restringit per política de l'editorial
      Seismic isolation systems are essentially designed to preserve structural safety, prevent occupants injury and properties damage. An active saturated LMI-based control design is proposed to attenuate seismic disturbances ...