Exploració per tema "localization"

Ara es mostren els items 1-20 de 24

    • A modification of DYMO routing protocol with knowledge of nodes’ position: proposal and evaluation 

      Zola, Enrica Valeria; Barceló Arroyo, Francisco; Martín Escalona, Israel (Springer, 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Knowledge of the physical location of the nodes is known to improve performance in wireless networks. This is especially true in MANETs, where routing protocols face a continuously changing topology. In the past, routing ...

    • A ranging method with IEEE 802.11 data frames for indoor localization 

      Ciurana Adell, Marc; Barceló Arroyo, Francisco; Izquierdo Moreno, Fernán (IEEE, 2007-03-15)
      Comunicació de congrés
      Accés obert
      IEEE 802.11 networks constitute a suitable infrastructure for accurate indoor positioning. However, existing approaches based on fingerprinting present drawbacks that make them not suitable for most of applications. This ...

    • A There Dimensional Setting for Strong Discontinuities Modelling in Failure Mechanics 

      Vieira Chaves, Eduardo Walter (Universitat Politècnica de Catalunya, 2003-04-01)
      Tesi
      Accés obert
      El estudio de la mecánica computacional de fallo ha ganado creciente popularidad en los últimos años. Modelizar el comportamiento poscrítico de estructuras puede alcanzar un grado elevado de complejidad, debido a la ...

    • Adaptive localization and tracking of objects in a sensor network 

      López Rodríguez, Adrian (Universitat Politècnica de Catalunya, 2014-12-18)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Northeastern University
      [ANGLÈS] Wireless Sensor Networks (WSNs) are used to monitor physical or environmental conditions, and to pass their data through the network to a central location. These networks have applications in diverse areas including ...

    • Adaptivity based on error estimation for viscoplastic softening materials 

      Díez, Pedro; Arroyo Balaguer, Marino; Huerta, Antonio (2000-02)
      Article
      Accés obert
      This paper focuses on the numerical simulation of strain softening mechanical problems. Two problems arise: (1) the constitutive model has to be regular and (2) the numerical technique must be able to capture the two scales ...

    • Aircraft tracking by means of the Acoustical Doppler Effect 

      Martín Román, Sara-Regina; Genesca Francitorra, Meritxell; Romeu Garbí, Jordi; Pàmies Gómez, Teresa (2013-07)
      Article
      Accés restringit per política de l'editorial
      The present paper presents a passive acoustic method for aircraft tracking. The Acoustical Doppler Effect, characteristic of signals received by a mesh of spatially distributed microphones is the basis of the method. A ...

    • Arbitrary lagrangian-eulerian finite element analysis of strain localization in transient problems 

      Pijaudier-Cabot, Gilles; Bode, L; Huerta, Antonio (John Wiley & Sons, 1995-10)
      Article
      Accés obert
      Non-local models guaranty that finite element computations on strain softening materials remain sound up to failure from a theoretical and computational viewpoint. The non-locality prevents strain localization with zero ...

    • Cooperative monocular-based SLAM for multi-UAV systems in GPS-denied environments 

      Trujillo, Juan Carlos; Munguía Alcalá, Rodrigo Francisco; Guerra Paradas, Edmundo; Grau Saldes, Antoni (Multidisciplinary Digital Publishing Institute (MDPI), 2018-04-26)
      Article
      Accés obert
      This work presents a cooperative monocular-based SLAM approach for multi-UAV systems that can operate in GPS-denied environments. The main contribution of the work is to show that, using visual information obtained from ...

    • Deep convolutional neural network architecture for effective Image analysis 

      Ros Martí, Marc (Universitat Politècnica de Catalunya, 2017)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Kungliga Tekniska högskolan
      This master thesis presents the process of designing and implementing a CNN-based architecture for image recognition included in a larger project in the field of fashion recommendation with deep learning. Concretely, the ...

    • Graph SLAM sparsification with populated topologies using factor descent optimization 

      Vallvé Navarro, Joan; Solà Ortega, Joan; Andrade-Cetto, Juan (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Article
      Accés obert
      Current solutions to the simultaneous localization and mapping (SLAM) problem approach it as the optimization of a graph of geometric constraints. Scalability is achieved by reducing the size of the graph, usually in two ...

    • Implementación del sistema de localizacion y obtencion del mapa de un robot movil 

      Arandes Miralles, Ramon Jaime (Universitat Politècnica de Catalunya, 2015-10)
      Projecte/Treball Final de Carrera
      Accés obert
      Este proyecto abarca todo el proceso de configuración de un robot comercial (Neato XV-Essential) para poder controlarlo de forma remota mediante conexión inalámbrica y la implementación de diversos entornos de control para ...

    • Indoor positioning with probabilistic WkNN Wi-Fi fingerprinting 

      De Nadal Borras, Santiago (Universitat Politècnica de Catalunya, 2016-07-11)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Università degli studi di Roma "La Sapienza"
      This work is focused on a probabilistic approach to implement Wi-Fi fingerprinting Weighted k-Nearest Neighbors (WkNN) algorithms in indoor position estimation. Still, deterministic approach is compared with the probabilistic ...

    • Indoor tracking in WLAN location with TOA measurements 

      Ciurana Adell, Marc; Barceló Arroyo, Francisco; Cugno, Sebastiano (ACM, 2006-10-01)
      Text en actes de congrés
      Accés obert
      Authors presented recently an indoor location technique based on Time Of Arrival (TOA) obtained from Round-Trip-Time (RTT) measurements at data link level and trilateration. This new approach uses the existing IEEE 802.11 ...

    • Investigació e integració d'eines de localització de strings 

      Cardona Alsina, Oriol (Universitat Politècnica de Catalunya, 2023-06-28)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   HP Printing and computing
      En aquest document s'explica el procés per solucionar el problema de localització de HP, pel qual es va investigar el mercat, es va realitzar un estudi més profund sobre tres tools destacades post investigació al mercat i ...

    • Mixed stabilized finite element methods in nonlinear solid mechanics. Part III: compressible and incompressible plasticity 

      Cervera Ruiz, Miguel; Chiumenti, Michele; Benedetti, Lorenzo; Codina, Ramon (2015-03)
      Article
      Accés obert
      This paper presents the application of a stabilized mixed strain/displacement finite element formulation for the solution of nonlinear solid mechanics problems involving compressible and incompressible plasticity. The ...

    • Navigational system for mobile outdoor robots 

      Rovira Forgas, Elisabet (Universitat Politècnica de Catalunya, 2010-04-28)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Oulun Yliopisto

    • Position estimation for IR-UWB systems using compressive sensing 

      Floriach Pigem, Genís (Universitat Politècnica de Catalunya, 2016-07-12)
      Treball Final de Grau
      Accés obert
      Ultra-Wideband (UWB) technology, thanks to its high time resolution, arises as an excellent candidate to provide accurate positioning information in cluttered environments. However, the dense multipath and strong attenuation ...

    • Radio Frequency communication for modular robots 

      Arimany Castells, Guillem (Universitat Politècnica de Catalunya / Syddansk universitet, 2011)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Syddansk universitet
      We explore the suitability of Wireless Radio Frequency (RF) inter-module communication for modular robots. Our hypothesis is that, instead of using Infrared (IR) and wired links, RF could be used for module localization ...

    • SecUAV - A Uni_ed testbed for the evaluation of secure state estimators 

      Ploder, Oliver (Universitat Politècnica de Catalunya, 2018-07)
      Projecte Final de Màster Oficial
      Accés obert
      Rapidly evolving technology and tight coupling of physical sensors and actuation with the system behind it in Cyber Physical Systems (CPS) have opened up new forms of security vulnerabilities to adversaries. These new types ...

    • Sensor Fusion of Raw GPS Measurements for Autonomous Vehicle Localization 

      Tirindelli, Pier (Universitat Politècnica de Catalunya, 2016-04-21)
      Projecte Final de Màster Oficial
      Accés obert
      We developed a software able to establish geometric constraints for a localization problem from raw GPS measurements. Then we integrated it in Wolf, a software framework for managing SLAM, enriching its sensor fusion ...