Ara es mostren els items 1-20 de 159

    • A dataset of microscopic peripheral blood cell images for development of automatic recognition systems 

      Acevedo, Andrea; Merino González, Anna; Alférez Baquero, Edwin Santiago; Molina Borrás, Ángel; Boldú Nebot, Laura; Rodellar Benedé, José (Elsevier, 2020-06)
      Article
      Accés obert
      This article makes available a dataset that was used for the development of an automatic recognition system of peripheral blood cell images using convolutional neural networks [1]. The dataset contains a total of 17,092 ...
    • A deep learning approach for segmentation of red blood cell images and malaria detection 

      Delgado Ortet, Maria; Molina Borrás, Ángel; Alférez Baquero, Edwin Santiago; Rodellar Benedé, José; Merino González, Anna (2020-06-13)
      Article
      Accés obert
      Malaria is an endemic life-threating disease caused by the unicellular protozoan parasites of the genus Plasmodium. Confirming the presence of parasites early in all malaria cases ensures species-specific antimalarial ...
    • A deep learning pproach for the morphological recognition of reactive lymphocytes in patients with COVID-19 infection 

      Rodellar Benedé, José; Barrera Llanga, Kevin Iván; Alférez Baquero, Edwin Santiago; Boldú Nebot, Laura; Laguna Moreno, Javier; Molina Borrás, Ángel; Merino González, Anna (2022-05-23)
      Article
      Accés obert
      Laboratory medicine plays a fundamental role in the detection, diagnosis and management of COVID-19 infection. Recent observations of the morphology of cells circulating in blood found the presence of particular reactive ...
    • A design procedure for overlapped guaranteed cost controllers 

      Palacios Quiñonero, Francisco; Rodellar Benedé, José; Rossell Garriga, Josep Maria (Elsevier, 2008)
      Comunicació de congrés
      Accés obert
      In this paper a quadratic guaranteed cost control problem for a class of linear continuous-time state-delay systems with norm-bounded uncertainties is considered. We will suppose that the systems are composed by two ...
    • 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 Hysteresis dynamic mathematical model approach to parametric estimation system 

      Ponce de León Puig, Nubia Ilia; Acho Zuppa, Leonardo; Rodellar Benedé, José (Hindawi, 2021-02-14)
      Article
      Accés obert
      The main contribution of this paper is the proposal of a recent hysteresis dynamic model which is successfully employed within a posited signal modulator. The modulation of signals is a commonly required stage in many ...
    • 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 ...
    • 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 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 ...
    • A velocity-based seismic control for base-isolated building structures 

      Pozo Montero, Francesc; Acho Zuppa, Leonardo; Rodellar Benedé, José; Rossell Garriga, Josep Maria (American Automatic Control Council, 2009-06-10)
      Text en actes de congrés
      Accés obert
      Passive, active and semi-active control have been extensively considered to improve the protection of base-isolated structures against earthquakes. This paper presents a strategy to apply control forces to the base of an ...
    • 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 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 ...
    • 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 ...
    • 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 ...