Ara es mostren els items 1-20 de 122

  • Acceleration-based fault-tolerant control design of offshore fixed wind turbines 

    Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Rodellar Benedé, José; Acho Zuppa, Leonardo (2016)
    Article
    Accés obert
    Wind turbines (WTs) are basically controlled by varying the generator load torque (with the so-called torque control) and the blade pitch angles (with the so-called pitch control) based on measurement of the generator shaft ...
  • Active-passive control strategy for adjacent buildings 

    Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Rodellar Benedé, José; Karimi, Hamid Reza (2011)
    Comunicació de congrés
    Accés obert
    In this paper, a control strategy to mitigate the vibrational response of adjacent buildings under seismic excitation is presented. The proposed strategy combines interbuilding passive actuators with active actuators ...
  • Active-passive decentralized H-infinity control for adjacent buildings under seismic excitation 

    Palacios Quiñonero, Francisco; Rossell Garriga, Josep Maria; Rodellar Benedé, José; Karimi, Hamid Reza (2011)
    Comunicació de congrés
    Accés obert
    In this paper, a control strategy to reduce the vibrational response of adjacent buildings under seismic excitation is presented. The proposed strategy combines passive linking elements with an active decentralized ...
  • Active piezoelectric system using PCA 

    Tibaduiza Burgos, Diego Alexander; Mujica Delgado, Luis Eduardo; Güemes Gordo, Alfredo; Rodellar Benedé, José (2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In previous work by the authors, an aircraft turbine blade was used to show that T and Q-statistics formulation based in Principal Components Analysis (PCA) are successful indices to detect and distinguish damages. In ...
  • Adaptive backstepping control of a class of hysteretic systems 

    Ikhouane, Fayçal; Mañosa Fernández, Víctor; Rodellar Benedé, José (SPIE Press. The International Society for Optical Engineering, 2003-08-01)
    Capítol de llibre
    Accés obert
    A backstepping-based adaptive control is designed for a class of one degree of freedom hysteretic system. The true hysteretic behavior does not need to be known for the controller design. A polynomial description is assumed ...
  • Adaptive backstepping control of some uncertain nonlinear oscillators 

    Ikhouane, Fayçal; Mañosa Fernández, Víctor; Rodellar Benedé, José (IEEE Press. Institute of Electrical and Electronics Engineers, 2003-12)
    Capítol de llibre
    Accés obert
    A backstepping-based adaptive controller is designed for a class of uncertain second orded nonlinear systems under the strict-feedback form. It is shown that the closed loop is globally uniformly ultimately bounded and we ...
  • Adaptive predictive control of a base-isolated hysteretic system 

    Ponce de León Puig, Nubia Ilia; Acho Zuppa, Leonardo; Rodellar Benedé, José (2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This article proposes an adaptive predictive control design technique to mitigate the displacement in a hysteretical base-isolated system seismically perturbed. The obtained predictive control law is based on the ...
  • Advanced vibration control of large structures with distributed multi-actuator system and partial state information 

    Palacios Quiñonero, Francisco; Rubió Massegú, Josep; Rossell Garriga, Josep Maria; Rodellar Benedé, José (International Centre for Numerical Methods in Engineering (CIMNE), 2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In this paper, the design and performance of partial-state controllers with incomplete multi-actuation systems for the seismic protection of tall buildings is investigated. The proposed approach considers a partially ...
  • A fault detection method for hysteretic base-isolation systems 

    Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Rodellar Benedé, José; Pozo Montero, Francesc (Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada III (MA3), 2011-02)
    Capítol de llibre
    Accés obert
  • A fault detection method for pitch actuators faults in wind turbines 

    Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Rodellar Benedé, José (2015)
    Text en actes de congrés
    Accés obert
    The paper presents a model-based fault detection method for pitch actuators faults using the normalized gradient method to estimate the parameters of the pitch actuator. One major difficulty is that the input signal to the ...
  • A hybrid approach of knowledge-based reasoning for structural assessment 

    Mujica Delgado, Luis Eduardo; Vehí Casellas, Josep; Rodellar Benedé, José; Kolakowski, P (2005-11)
    Article
    Accés restringit per política de l'editorial
    A hybrid reasoning system is developed for damage assessment of structures. The system combines the use of a model of the structure with a knowledge-based reasoning scheme to evaluate if damage is present, its severity ...
  • A mathematical framework for structural control integration 

    Rossell Garriga, Josep Maria; Rodellar Benedé, José; Palacios Quiñonero, Francisco; Rubió Massegú, Josep (Trans Tech Publications, 2012)
    Text en actes de congrés
    Accés obert
    In this paper, some control strategies to design decentralized controllers are developed and discussed. These strategies are based on the Inclusion Principle, a very useful mathematical framework to obtain decentralized ...
  • An adaptive predictive approach for river level forecasting 

    Aguilar, Jose Vicente; Langarita, Pedro; Linares, Lorenzo; Gómez Valentín, Manuel; Rodellar Benedé, José (IEEE, 2011)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Efficient flood management requires accurate real time forecasts to allow early warnings, real time control of hydraulics structures or other actions. Commercially available computing tools typically use, for flow or level ...
  • An isolation device for near-fault ground motions 

    Abdel Kareem Moustafa, Mohamed Ismail; Rodellar Benedé, José; Pozo Montero, Francesc (2013-04)
    Article
    Accés restringit per política de l'editorial
    Seismic isolation is an appreciable control strategy that reduces the vibrations of structural and nonstructural systems induced by strong ground motions. However, under near-fault (NF) ground motion, the seismic isolation ...
  • 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 ...
  • Aplicación del algoritmo «GoRoSo» en el cálculo del cierre de emergencia del Canal de la Margen Izquierda del Delta del Ebro en caso de llegada de una avenida contaminada 

    Soler Guitart, Joan; Gómez Valentín, Manuel; Rodellar Benedé, José (2009-10)
    Text en actes de congrés
    Accés restringit per política de l'editorial
  • A review of impact damage detection in structures using strain data 

    Mujica Delgado, Luis Eduardo; Rodellar Benedé, José; Vehí Casellas, José (2010)
    Article
    Accés obert
    This paper aims to provide a state-of-the-art review on impact damage detection techniques in structures using strain data. An overview of impact detection systems is provided. These include sensors, specimens, and impact ...
  • A robust procedure for Damage detection from strain measurements based on Principal Component Analysis 

    Güemes Gordo, Alfredo; Sierra Pérez, Julián; Rodellar Benedé, José; Mujica Delgado, Luis Eduardo (2013-04-17)
    Article
    Accés restringit per política de l'editorial
    FBGs are excellent strain sensors, because of its low size and multiplexing capability. Tens to hundred of sensors may be embedded into a s tructure, as it has already been demonstrated. Nevertheless, they only afford ...
  • Automatic classification of atypical lymphoid B cells using digital blood image processing 

    Alférez Baquero, Edwin Santiago; Merino, Ana; Mujica Delgado, Luis Eduardo; Ruiz Ordóñez, Magda; Bigorra, Laura; Rodellar Benedé, José (2013-12)
    Article
    Accés restringit per política de l'editorial
    Introduction: There are automated systems for digital peripheral blood (PB) cell analysis, but they operate most effectively in nonpathological blood samples. The objective of this work was to design a methodology to improve ...
  • Automatic damage classification based on wave cluster and principal component analysis 

    Garibnezhad, Fahit; Mujica Delgado, Luis Eduardo; Rodellar Benedé, José; Fritzen, Claus-Peter (2013)
    Comunicació de congrés
    Accés obert
    Principal Component Analysis (PCA) plays a significant role in SHM field. There are plenty of algorithms that use PCA either directly or indirectly to detect damages in structures. Although PCA shows a successful role ...