Ara es mostren els items 9882-9901 de 244456

    • Adaptive logspace and depth-bounded reducibilities 

      Balcázar Navarro, José Luis (1991-04)
      Report de recerca
      Accés obert
      We discuss a number of results regarding an important subject: the study of the computational power of depth-bounded reducibilities, their use to classify the complexity of computational problems, and their characterizations ...
    • Adaptive logspace reducibility and parallel time 

      Álvarez Faura, M. del Carme; Balcázar Navarro, José Luis; Jenner, Birgit (1991-11)
      Report de recerca
      Accés obert
      We discuss two notions of functional oracle for logarithmic space-bounded machines, which differ in whether there is only one oracle tape for both the query and the answer or a separate tape for the answer, which can still ...
    • Adaptive low and high-order hybridized methods for unsteady incompressible flow simulations 

      Karkoulias, Alexandros (Universitat Politècnica de Catalunya, 2020-06-17)
      Tesi
      Accés obert
      Realitzat a/amb:   Università degli Studi di Pavia
      Simulations of incompressible flows are performed on a daily basis to solve problems of practical and industrial interest in several fields of engineering, including automotive, aeronautical, mechanical and biomedical ...
    • Adaptive MapReduce scheduling in shared environments 

      Polo Bardés, Jordà; Becerra Fontal, Yolanda; Carrera Pérez, David; Torres Viñals, Jordi; Ayguadé Parra, Eduard; Steinder, Malgorzata (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés obert
      In this paper we present a MapReduce task scheduler for shared environments in which MapReduce is executed along with other resource-consuming workloads, such as transactional applications. All workloads may potentially ...
    • Adaptive media content architecture regarding users capabilities 

      Cuenca Gil, David (Universitat Politècnica de Catalunya, 2009-06-18)
      Projecte/Treball Final de Carrera
      Accés obert
    • Adaptive memory hierarchies for next generation tiled microarchitectures 

      Herrero Abellanas, Enric (Universitat Politècnica de Catalunya, 2011-07-05)
      Tesi
      Accés obert
      Les últimes dècades el rendiment dels processadors i de les memòries ha millorat a diferent ritme, limitant el rendiment dels processadors i creant el conegut memory gap. Sol·lucionar aquesta diferència de rendiment és un ...
    • Adaptive mesh refinement in marin’s viscous flow solver refresco: implementation and application to steady flow 

      Windt, Jaap; Klaij, Christiaan M. (CIMNE, 2011)
      Text en actes de congrés
      Accés obert
      Currently MARIN’s viscous flow solver ReFRESCO is being improved by adding an adaptive meshing strategy. The method considers the mesh as an unstructured collection of elements and works with a database that defines ...
    • Adaptive mesh refinement method for CFD applications 

      Antepara Zambrano, Oscar Luis (Universitat Politècnica de Catalunya, 2019-01-10)
      Tesi
      Accés obert
      The main objective of this thesis is the development of an adaptive mesh refinement (AMR) algorithm for computational fluid dynamics simulations using hexahedral and tetrahedral meshes. This numerical methodology is applied ...
    • Adaptive mesh simulations of compressible flows using stabilized formulations 

      Bayona Roa, Camilo Andrés (Universitat Politècnica de Catalunya, 2017-12-15)
      Tesi
      Accés obert
      This thesis investigates numerical methods that approximate the solution of compressible flow equations. The first part of the thesis is committed to studying the Variational Multi-Scale (VMS) finite element approximation ...
    • Adaptive messaging based on AoI for congestion control in VANETs 

      Marías I Parella, Jordi (Universitat Politècnica de Catalunya, 2022-02-15)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Illinois Institute of Technology
      Vehicular Ad-Hoc Networks (VANETs) are mostly used to support safety applications within mobility environments. But the nature of such communications, where the networks are highly dynamic, with messages usually broadcasted ...
    • Adaptive methods for efficient sampling in molecular dynamic simulations 

      Lelièvre, T. (CIMNE, 2015)
      Text en actes de congrés
      Accés obert
      I will present some numerical challenges raised by the simulation of materials at the atomistic level. One of the main difficulties is related to a timescale problem: at the molecular level, the typical timescale is much ...
    • Adaptive methods for the simulation of multiscale fluid dynamic phenomena using vortex particle methods with applications to civil structures 

      Milani, Dario; Morgenthal, Guido (CIMNE, 2015)
      Text en actes de congrés
      Accés obert
      Wind effects on long-span bridges and slender buildings constitute a major criterion during the design phase. These effects are very important in certain cases, be- cause they can lead to strong dynamic excitations of the ...
    • Adaptive modality selection algorithm in robot-assisted cognitive training 

      Taranovic, Aleksandar; Jevtic, Aleksandar; Torras, Carme (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      Interaction of socially assistive robots with users is based on social cues coming from different interaction modalities, such as speech or gestures. However, using all modalities at all times may be inefficient as it can ...
    • Adaptive modeling and numerical approximation for a simple example of multiscale hyperbolic relaxation system 

      Coquel, F.; Godlewski, E.; Haddaout, K.; Marmignon, C.; Renac, F. (CIMNE, 2015)
      Text en actes de congrés
      Accés obert
      The present work considers the mathematical and numerical analysis of a new adaptive goal-oriented strategy based on local hpm discontinuous Galerkin (DG) method (h for grid, p for accuracy of shape function and m ...
    • Adaptive monitoring for autonomous vehicles using the HAFLoop architecture 

      Zavala Rodríguez, Edith Berenice; Franch Gutiérrez, Javier; Marco Gómez, Jordi; Berger, Christian (2021)
      Article
      Accés obert
      Current Self-Adaptive Systems (SASs) such as Autonomous Vehicles (AVs) are systems able to deal with highly complex contexts. However, due to the use of static feedback loops they are not able to respond to unanticipated ...
    • Adaptive monitoring: A systematic mapping 

      Zavala Rodríguez, Edith Berenice; Franch Gutiérrez, Javier; Marco Gómez, Jordi (Elsevier, 2019-01)
      Article
      Accés obert
      Context: Adaptive monitoring is a method used in a variety of domains for responding to changing conditions. It has been applied in different ways, from monitoring systems’ customization to re-composition, in different ...
    • Adaptive motion planning for a mobile robot 

      Gifre Oliveras, Clara (Universitat Politècnica de Catalunya / University of Oulu, 2012)
      Projecte/Treball Final de Carrera
      Accés obert
      Historically, trapezoidal velocity profiles have been widely used to control engines. Nevertheless, the evolution of robots and their uses has led to the need of using smoother profiles, due to the demand of high precision ...
    • Adaptive multi agent system for guiding groups of people in urban areas 

      Garrell Zulueta, Anais; Sandoval Torres, Óscar; Sanfeliu Cortés, Alberto (Springer, 2011)
      Text en actes de congrés
      Accés obert
      This article presents a new approach for guiding a group of people using an adaptive multi agent system. For the simulations of the group of people we use social forces, with theses forces human motion is controlled ...
    • Adaptive multilevel neuro-fuzzy model predictive control for drinking water networks 

      Grosso Pérez, Juan Manuel; Ocampo-Martínez, Carlos; Puig Cayuela, Vicenç (2012)
      Text en actes de congrés
      Accés restringit per acord de confidencialitat
      This paper presents a constrained Model Predictive Control (MPC) strategy enriched with soft-control techniques as neural networks and fuzzy logic, to incorporate self-tuning capabilities and reliability aspects for drinking ...
    • Adaptive Multistage Vector Quantization 

      Rodríguez Fonollosa, José Adrián; Masgrau Gómez, Enrique José (1989)
      Text en actes de congrés
      Accés obert
      The authors present a novel multiple-stage vector-quantization method that allows the adaptation of the quantizer to the signal to be coded. This adaptation is computationally very simple and is made with no increase in ...