Ara es mostren els items 9997-10016 de 245420

    • Adaptive spectrum estimation with linear constrains 

      Vázquez Grau, Gregorio; Vallverdú Bayés, Sisco (1988)
      Text en actes de congrés
      Accés obert
      A general constrained adaptive metbod is developed to be applied to the spectral estimation problem. The method presented can be used in a wide range of situatious, this is, we can get different estimators wíth it. The ...
    • Adaptive storyline for multi-learner 3D 

      Ribera Altimir, Jordi (Universitat Politècnica de Catalunya, 2010-06)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat
    • Adaptive strategies for viscous simulations 

      Menier, Victorien; Loseille, Adrien; Alauzet, Fréderic (CIMNE, 2015)
      Text en actes de congrés
      Accés obert
      Capturing accurately the whole flow field around a complex geometry remains a challenge for viscous turbulent simulations. The use of quasi-structured boundary layer meshes is required in near-wall regions because of the ...
    • Adaptive surrogates of crashworthiness models for multi-purpose engineering analyses accounting for uncertainty 

      Rocas Alonso, Marc; García González, Alberto; Larráyoz Izcara, Xabier; Díez, Pedro (2022-06-01)
      Article
      Accés obert
      Uncertainty Quantification (UQ) is a booming discipline for complex computational models based on the analysis of robustness, reliability and credibility. UQ analysis for nonlinear crash models with high dimensional outputs ...
    • Adaptive synchronization of master-slave systems with mixed neutral and discrete time-delays and nonlinear perturbations 

      Karimi, Hamid Reza; Zapateiro, Mauricio; Luo, Ningsu (2012)
      Article
      Accés restringit per política de l'editorial
      This paper investigates the delay-dependent adaptive synchronization problem of the master and slave structure of linear systems with both constant neutral and time-varying discrete time-delays and nonlinear perturbations ...
    • Adaptive system identification based on higher-order statistics 

      Rodríguez Fonollosa, José Adrián; Masgrau Gómez, Enrique José (1991)
      Text en actes de congrés
      Accés obert
      The problem of estimating the autoregressive (AR) parameters of a causal AR moving average (ARMA) (p,q) process using higher-order statistic is addressed. It is shown that there is always a linear combination of p+1 slices ...
    • Adaptive task-oriented chatbots using feature-based knowledge bases 

      Campàs Gené, Carla; Motger de la Encarnación, Joaquim; Franch Gutiérrez, Javier; Marco Gómez, Jordi (Springer, 2023)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Task-oriented chatbots relying on a knowledge base for domain-specific content exploitation have been largely addressed in research and industry applications. Despite this, multiple challenges remain to be fully conquered, ...
    • Adaptive threshold generation in robust fault detection using interval models: Time-domain and frequency-domain approaches 

      Puig Cayuela, Vicenç; Montes de Oca Armeaga, Saul; Blesa Izquierdo, Joaquim (2013-10)
      Article
      Accés restringit per política de l'editorial
      In this paper, robust fault detection is addressed on the basis of evaluating the residual energy that it is compared against worst-case value (threshold) generated considering parametric modeling uncertainty using interval ...
    • Adaptive transfer functions: improved multiresolution visualization of medical models 

      Díaz García, Jesús; Brunet Crosa, Pere; Navazo Álvaro, Isabel; Pérez, Frederic; Vázquez Alcocer, Pere Pau (Springer, 2016-05-14)
      Article
      Accés obert
      Medical datasets are continuously increasing in size. Although larger models may be available for certain research purposes, in the common clinical practice the models are usually of up to 512x512x2000 voxels. These ...
    • Adaptive us-mrac for disturbance cancellation 

      Bertran Albertí, Eduardo; Montoro López, Gabriel (Institution of Electrical Engineers, 1995-01)
      Article
      Accés obert
      A variable structure, model reference adaptive control (VS-MRAC) devoted to cancel interferences without the requirement of an auxiliary input is proposed. This method is an improved alternative to the strategies recently ...
    • Adaptive vector control based wave-to-wire model of wave energy converters 

      Mir Cantarellas, Antonio; Remón Rodríguez, Daniel; Zhang, Weiyi; Rodríguez Cortés, Pedro (2017-03-29)
      Article
      Accés obert
      This study presents a complete wave-to-wire model in which a novel wave energy converter control approach based on adaptive vector control is introduced. The proposed control for maximum power absorption of the primary ...
    • Adaptive vector control of wave energy converters 

      Mir Cantarellas, Antonio; Remón Rodríguez, Daniel; Rodríguez Cortés, Pedro (2017-05-01)
      Article
      Accés restringit per política de l'editorial
      Many grid connection concerns, such as maximum power absorption and improved power quality, are increasingly gaining research interest in the wave energy sector, as several wave energy converter (WEC) concepts approach ...
    • Adaptive vector predictive speech coding with sample by sample update at 16 Kbps 

      Masgrau Gómez, Enrique José; Mariño Acebal, José Bernardo (1986)
      Text en actes de congrés
      Accés obert
      A vectorial generalization of the ADPCM system is introduced. Once the speech signal is grouped in vectors, they are coded using a vector predictor (VP) and a vector quantizer (VQ). Both subsystems are continously adaptive; ...
    • Adaptive video-streaming dissemination in realistic highway vehicular ad-hoc networks 

      Iza Paredes, Cristhian; Mezher, Ahmad Mohamad; Aguilar Igartua, Mónica (Association for Computing Machinery (ACM), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The dissemination of video information contents migth enhance the performances of safety-related applications in vehicular ah-hoc networks (VANETs). A major problem concerns the high sensitivity of the compressed video ...
    • Adaptive Volt-Var Control Algorithm to Grid Strength and PV Inverter Characteristics 

      Cantero, Toni; Colet Subirachs, Alba; Canals Casals, Lluc; Corchero García, Cristina; Domínguez García, José Luis; Álvarez de Sotomayor, Amelia; Martin, Williams; Stauffer, Yves; Alet, Pìère-Jean (2021-04-16)
      Article
      Accés obert
      The high-penetration of Distributed Energy Resources (DER) in low voltage distribution grids, mainly photovoltaics (PV), might lead to overvoltage in the point of common coupling, thus, limiting the entrance of renewable ...
    • Adaptive walking assistance based on human-orthosis interaction 

      Rajasekaran, Vijaykumar; Aranda López, Juan; Casals Gelpí, Alicia (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés obert
      An assistive rehabilitation strategy for a lower-limb wearable robot is proposed and evaluated. The control strategy monitors the human-orthosis interaction torques and modifies the orthosis operation mode depending on its ...
    • Adaptive, efficient, parallel execution of parallel programs 

      Sohi, Guri (Barcelona Supercomputing Center, 2016-09-10)
      Text en actes de congrés
      Accés obert
      Future parallel processors will be heterogeneous, be increasingly less reliable, and operate in dynamically changing operating conditions. This will result in a constantly varying pool of hardware resources which can greatly ...
    • An adaptive, fault-tolerant system for road network traffic prediction using machine learning 

      Mena-Yedra, Rafael (Universitat Politècnica de Catalunya, 2020-03-06)
      Tesi
      Accés obert
      This thesis has addressed the design and development of an integrated system for real-time traffic forecasting based on machine learning methods. Although traffic prediction has been the driving motivation for the thesis ...
    • 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 ...
    • Adaptively learning probabilistic deterministic automata from data streams 

      Balle Pigem, Borja de; Castro Rabal, Jorge; Gavaldà Mestre, Ricard (2014-07)
      Article
      Accés restringit per política de l'editorial
      Markovian models with hidden state are widely-used formalisms for modeling sequential phenomena. Learnability of these models has been well studied when the sample is given in batch mode, and algorithms with PAC-like ...