Ara es mostren els items 4-11 de 11

    • Precision timing in ocean sensor systems 

      Río Fernandez, Joaquín del; Toma, Daniel; Shariat Panahi, Shahram; Manuel Lázaro, Antonio; Geirinhas Ramos, Helena María (2011-12-16)
      Article
      Accés obert
      This paper discusses the use of the IEEE 1588 standard in ocean observatories. The performance result of prototype implementations of this standard in an Ethernet Marine Sensor Network (MSN) is presented. The performance ...
    • Precision timing in TDMA - based Wireless Sensor Network through IEEE 1588 standard 

      Toma, Daniel; Río Fernandez, Joaquín del; Manuel Lázaro, Antonio; Gomáriz Castro, Spartacus; Carreras Pons, Normandino (2013)
      Text en actes de congrés
      Accés obert
      This paper proposes an energy-efficient time synchronization scheme for Wireless Sensor Networks(WSNs) based on the IEEE 1588 standard. Although a number of methods have been studied for time synchronization of WSNs, some ...
    • Sistema de cronometraje para la Barcelona Smart Moto Challenge 

      Costa Vargas, Daniel (Universitat Politècnica de Catalunya, 2017-06-15)
      Treball Final de Grau
      Accés obert
      Sistema de cronometraje para la Barcelona Smart Moto Challenge es un proyecto dedicado al diseño, construcción y verificación de un sistema de cronometraje semiautomático que efectúe la medición temporal de las pruebas ...
    • Sistema para cronometraje deportivo basado en tecnología NFC 

      Laaroussi, Sadik (Universitat Politècnica de Catalunya, 2019-10-30)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Gracias a la tecnología NFC “Near Field Communication” es posible realizar una comunicación simple, intuitiva y segura sin necesidad de cables entre dos dispositivos que se encuentran a una pequeña distancia. NFC es una ...
    • Smart IEEE-1588 GPS clock emulator for cabled ocean sensors 

      Río Fernandez, Joaquín del; Toma, Daniel; Shariat Panahi, Shahram; Auffret, Yves; Manuel Lázaro, Antonio (2014-04-02)
      Article
      Accés restringit per política de l'editorial
      Today, cabled seafloor observatories are installed at many sites around the globe, gathering different types of sensors in the marine environment where a Global Positioning System (GPS) signal is not accessible. Accurate ...
    • Time-domain electromagnetic interference measurement system for intermittent disturbances 

      Costa Godo, Gerard; Pous Solà, Marc; Atienza Picola, Andreu; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In Electromagnetic Compatibility emission measurements, a common problem takes place when equipment producing intermittent disturbances are measured according to standard procedures. In many cases, it is impossible to ...
    • Variation tolerant self-adaptive clock generation architecture based on a ring oscillator 

      Pérez Puigdemont, Jordi; Calomarde Palomino, Antonio; Moll Echeto, Francisco de Borja (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Comunicació de congrés
      Accés obert
      In this work we propose a self-adaptive clock based on a ring oscillator as the solution for the increasing uncertainty in the critical path delay. This increase in uncertainty forces to add more safety margins to the ...
    • Voltage balancing of a five-level flying capacitor converter using optimum switching transitions 

      Ghias, Amer M.Y.M.; Pou Félix, Josep; Ciobotaru, M.; Agelidis, Vassilios (2012)
      Text en actes de congrés
      Accés obert
      The flying capacitor (FC) multilevel converter requires a capacitor voltage balancing mechanism for proper operation. This paper proposes a voltage balancing scheme for a five-level FC converter based on phase disposition ...