Now showing items 3882-3901 of 78749

  • Adaptive localization and tracking of objects in a sensor network 

    López Rodríguez, Adrian (Universitat Politècnica de Catalunya, 2014-12-18)
    Master thesis (pre-Bologna period)
    Open Access
    [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 ...
  • Adaptive MapReduce scheduling in shared environments 

    Polo, Jordà; Becerra Fontal, Yolanda; Carrera Pérez, David; Torres Viñals, Jordi; Ayguadé Parra, Eduard; Steinder, Malgorzata (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    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)
    Master thesis (pre-Bologna period)
    Open Access
  • Adaptive memory hierarchies for next generation tiled microarchitectures 

    Herrero Abellanas, Enric (Universitat Politècnica de Catalunya, 2011-07-05)
    Doctoral thesis
    Open Access
  • Adaptive motion planning for a mobile robot 

    Gifre Oliveras, Clara (Universitat Politècnica de Catalunya / University of Oulu, 2012)
    Master thesis (pre-Bologna period)
    Open Access
    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)
    Conference report
    Open Access
    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, J.M.; Ocampo-Martínez, Carlos; Puig Cayuela, Vicenç (2012)
    Conference report
    Restricted access - confidentiality agreement
    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)
    Conference report
    Open Access
    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 ...
  • Adaptive neural network state predictor and tracking control for nonlinear time-delay systems 

    Na, Jing; Ren, Xuemei; Gao, Yan; Griñó Cubero, Robert; Costa Castelló, Ramon (2010-02)
    Article
    Restricted access - publisher's policy
    A new adaptive nonlinear state predictor (ANSP) is presented for a class of unknown nonlinear systems with input time-delay. A dynamical identification with neu- ral network (NN) is constructed to obtain NN weights and ...
  • Adaptive observer for switching linear parameter-varying (LPV) systems 

    Rotondo, Damiano; Reppa, Vasso; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha (2014)
    Conference report
    Restricted access - publisher's policy
    In this paper, the problem of joint state and parameter estimation in switching Linear Parameter-Varying (LPV) systems is considered. The proposed solution relies on an adaptive observer, which is designed finding a solution ...
  • Adaptive on-line software aging prediction based on machine learning 

    Alonso López, Javier; Torres Viñals, Jordi; Berral García, Josep Lluís; Gavaldà Mestre, Ricard (IEEE Computer Society Publications, 2010)
    Conference report
    Open Access
    The growing complexity of software systems is resulting in an increasing number of software faults. According to the literature, software faults are becoming one of the main sources of unplanned system outages, and have ...
  • Adaptive on-the-fly molecular ribbons generation 

    Hermosilla, Pedro; Guallar, Víctor; Vinacua Pla, Álvaro; Vázquez Alcocer, Pere Pau (European Association for Computer Graphics (Eurographics), 2015)
    Conference lecture
    Open Access
    Molecular dynamics simulations are of key importance in the drug design field. One common used representation to visualize these simulations is the Ribbons representation, which gives to the expert a good overview of the ...
  • Adaptive optics without wave-front sensor using the APHEFIS (Adaptive Optics by Phase Estimation from Focal Intensity Speckles) algorithm 

    Muñoz Fuentes, Manuel (Universitat Politècnica de Catalunya, 2012-07-19)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] Compensation of the distorsions introduced to the optical wavefronts by the atmosphere using the algorithm APHEFIS, developed by Dr. Dirk Giggenbach.
  • Adaptive packet scheduling for the support of QoS over DVB-S2 satellite systems 

    Rendón Morales, Elizabeth; Mata Diaz, Jorge; Alins Delgado, Juan José; Muñoz Tapia, José Luis; Esparza Martín, Óscar (Springer Verlag, 2011)
    Conference report
    Restricted access - publisher's policy
    This paper presents an adaptive algorithm for managing the weights of a weighted round robin (WRR) scheduler. The weights calculation depends on the capacity variations present in a Digital Video Broadcasting-Second ...
  • Adaptive parameter-free learning from evolving data streams 

    Bifet Figuerol, Albert Carles; Gavaldà Mestre, Ricard (2009-03)
    External research report
    Open Access
    We propose and illustrate a method for developing algorithms that can adaptively learn from data streams that change over time. As an example, we take Hoeffding Tree, an incremental decision tree inducer for data streams, ...
  • Adaptive power control of wave energy converters for maximum power absorption under irregular sea-state conditions 

    Mir Cantarellas, Antonio; Remón, D.; Koch-Ciobotaru, Cosmin; Rodríguez Cortés, Pedro (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Open Access
    This paper proposes a novel wave energy converter (WEC) control technique based on an adaptive vector controller for maximum power absorption of the wave energy resource. The proposed controller arises as a suitable solution ...
  • Adaptive pre-distortion for nonlinear high power amplifiers in OFDM systems 

    Durney Wasaff, Hugo Ivan (Universitat Politècnica de Catalunya, 2004-07-22)
    Doctoral thesis
    Open Access
  • Adaptive prediction and bit-assignment in subband coding of speech 

    Mariño Acebal, José Bernardo; Martí Ros, Jaume (1985)
    Conference report
    Open Access
    The combination of time-domain harmonic scaling (TDHS) and sub-band coding (SBC) provides an encoding approach which allows 9.6 Kb/s speech encoding with good communication quality. Starting from this structure, this paper ...
  • Adaptive predictive robust control for fuel cells hybrid vehicles 

    Degliuomini, Lucas Nieto; Zumoffen, David; Basualdo, Marta; Feroldi, Diego Hernán; Riera Colomer, Jordi (2010)
    Conference report
    Open Access
    The transient behavior of a Polymer Electrolyte Membrane Fuel Cell System (PEMFCS) under an efficient Adaptive Predictive Control with Robust Filter (APCWRF) is analyzed. This control scheme is tested to evaluate its ...
  • Adaptive proactive reconfiguration: a technique for process variability and aging aware SRAM cache design 

    Pouyan, Peyman; Amat Bertran, Esteve; Rubio Sola, Jose Antonio (2014)
    Article
    Open Access
    Nanoscale circuits are subject to a wide range of new limiting phenomena making essential to investigate new design strategies at the circuit and architecture level to improve its performance and reliability. Proactive ...