Now showing items 1-12 of 12

  • Accuracy and precision studies for range-only underwater target tracking in shallow waters 

    Masmitjà Rusiñol, Ivan; Bouvet, Pierre-Jean; Gomáriz Castro, Spartacus; Aguzzi, Jacopo; Río Fernandez, Joaquín del; Toma, Daniel (2017)
    Conference report
    Open Access
    This paper studies the precision, and the accuracy, of an underwater target tracking system, using range-only and single-beacon methods, in shallow waters environments. For this study, different field tests have been ...
  • Acoustic TAG tracking: First experiments 

    Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B; O’Reilly, T; Aguzzi, Jacopo; Bouvet, Pierre-Jean (Centro de Desarrollo Tecnológico de Sistemas de Adquisición Remota y Tratamiento de la Información (SARTI), 2018)
    Conference report
    Open Access
    Nowadays, the use of autonomous vehicles for ocean research has increased, since these vehicles have a better cost/performance ratio than crewed vessels or oceanographic ships. For example, autonomous surface vehicles ...
  • Area-only method for underwater tagged animals tracking usign autonomous vehicles 

    Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B; O'Reilly, Thomas C.; Aguzzi, Jacopo; Bouvet, Pierre-Jean; Fannjiang, Clara; Katija, Kakani (2019)
    Conference report
    Open Access
    The use of autonomous underwater vehicles for ocean research has increased as they have a better cost/performance ratio than crewed oceanographic vessels. For example, autonomous vehicles (e.g. a Wave Glider) can be used ...
  • Hybrid time synchronization for Underwater Sensor Networks 

    Pallarés Valls, Oriol; Bouvet, Pierre-Jean; Río Fernandez, Joaquín del (2014)
    Conference lecture
    Open Access
    Time synchronization is an important part of distributed applications over a sensor network. In this work we investigate time synchronization problems over a shallow UWSN, taking into account all main communication challenges ...
  • Hybrid time synchronization for Underwater Sensor Networks 

    Pallarés Valls, Oriol; Bouvet, Pierre-Jean; Río Fernandez, Joaquín del (2015-09-30)
    Article
    Open Access
    Time synchronization is a critical part of distributed applications over a sensor network. In this work we investigate time synchronization problems over UWSN deployed in shallow water, taking into account all main ...
  • Optimal path shape for range-only underwater target localization using a Wave Glider 

    Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B; O'Reilly, Thomas C.; Bouvet, Pierre-Jean; Aguzzi, Jacopo (2018-10-03)
    Article
    Open Access
    Underwater localization using acoustic signals is one of the main components in a navigation system for an autonomous underwater vehicle (AUV) as a more accurate alternative to dead-reckoning techniques. Although different ...
  • Range-only single-beacon tracking of underwater targets from an autonomous vehicle: from theory to practice 

    Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B; O'Reilly, Thomas C.; Bouvet, Pierre-Jean; Aguzzi, Jacopo (Institute of Electrical and Electronics Engineers (IEEE), 2019-07-17)
    Article
    Open Access
    Underwater localisation is one of the main problems which must be addressed in subsea exploration, where no Global Positioning System (GPS) is available. In addition to the traditional underwater localisation systems, such ...
  • Time synchronization accuracy refinement for mobile shallow water acoustic sensor network 

    Pallarés Valls, Oriol; Río Fernandez, Joaquín del; Bouvet, Pierre-Jean (2016)
    Conference report
    Restricted access - publisher's policy
    Time synchronization is an important factor to take into account when performing collaborative and distributed tasks along a sensor network. Message exchange based time synchronization algorithms ported to underwater ...
  • Underwater acoustic communication messaging time stamp applied to global time synchronization 

    Pallarés Valls, Oriol; Río Fernandez, Joaquín del; Bouvet, Pierre-Jean (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Restricted access - publisher's policy
    This paper presents a new approach to time stamp messages in underwater acoustic communication. Message time stamping is a widely used method for synchronizing two clocks over a cabled or wireless communication, by ...
  • Underwater acoustic slant range measurements related to weather and sea state 

    Masmitjà Rusiñol, Ivan; Carandell Widmer, Matias; Bouvet, Pierre-Jean; Aguzzi, Jacopo; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del (Institute of Physics (IOP), 2018)
    Conference report
    Open Access
    Underwater range measurements are key factor in underwater acoustic positioning, used in Long Base-Line (LBL) or Ultra Short Base-Line (USBL) computing techniques. These measurements are commonly carried out through acoustic ...
  • Underwater mobile target tracking with particle filter using an autonomous vehicle 

    Masmitjà Rusiñol, Ivan; Bouvet, Pierre-Jean; Gomáriz Castro, Spartacus; Aguzzi, Jacopo; Río Fernandez, Joaquín del (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Conference report
    Open Access
    This paper describes an underwater mobile target localization and tracking by using an autonomous surface vehicle for which the successive ranges between the target and the reference are the only information. In a dynamic ...
  • Underwater multi-target tracking with particle filters 

    Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Bouvet, Pierre-Jean; Aguzzi, Jacopo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference lecture
    Open Access
    Robotic platforms communication and interoperability is of relevance for marine science and industrial monitoring. We present results of a particle filter study based on underwater Multi-Target Tracking (MTT) using Autonomous ...