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    • Obsea: a decadal balance for a cabled observatory deployment 

      Río Fernandez, Joaquín del; Nogueras Cervera, Marc; Toma, Daniel; Martínez Padró, Enoc; Artero Delgado, Carola; Bghiel, Ikram; Cadena Muñoz, Francisco Javier; Garcia Benadí, Albert; Sarriá Gandul, David; Aguzzi, Jacopo; Masmitjà Rusiñol, Ivan; Carandell Widmer, Matias; Olivé Duran, Joaquim; Gomáriz Castro, Spartacus; Santamaria, Josep; Manuel Lázaro, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2020-02-13)
      Article
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      The study of the effects of climate change on the marine environment requires the existence of sufficiently long time series of key parameters. The study of these series allows both to characterize the range of variability ...

    • Obsea: a test site to develop marine ecosystems monitoring techniques by acoustic devices 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Aguzzi, Jacopo (2019)
      Text en actes de congrés
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      Over the past years different activities related on marine ecosystems monitoring techniques have been carried out at OBSEA observatory. The OBSEA is a cabled observatory placed at 4 km from the coast of Vilanova i la ...

    • OBSEA: an acoustic-enabled observatory for underwater noise monitoring, sound source localization and tracking 

      Martínez Padró, Enoc; Masmitjà Rusiñol, Ivan; Garcia Benadí, Albert; Toma, Daniel; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del (2020)
      Comunicació de congrés
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      OBSEA is an underwater cabled observatory located 4 km off the coast of Vilanova i la Geltru, Barcelona, Spain at 20m depth. It has been continuously operating since 2009 providing multi-parametric data from a wide range ...

    • Observatorio Obsea y vehículo submarino Guanay II: Descripción de los proyectos y actividades de investigación actuales 

      Río Fernandez, Joaquín del; Gomáriz Castro, Spartacus (2017)
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      El grupo de investigación SARTI de la UPC opera desde el 2009 el observatorio submarino cableado Obsea que ofrece la posibilidad de realizar actividades de investigación y desarrollo de equipos y sensores submarinos. ...

    • Obstacle detection algorithm of low computational cost for Guanay II AUV 

      Galarza Bogotá, Cesar Mauricio; Prat Tasias, Jordi; Gomáriz Castro, Spartacus (Antoni Mànuel, 2016-10-26)
      Comunicació de congrés
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      Obstacle detection is one of the most important stages in the obstacle avoidance system. This work is focused to explain the operation of a designed and implemented for the overall detection of objects with low computational ...

    • Obstacle detection algorithm of low computational cost for Guanay II AUV 

      Galarza Bogotá, Cesar Mauricio; Prat Tasias, Jordi; Gomáriz Castro, Spartacus (2016)
      Text en actes de congrés
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      Obstacle detection is one of the most important stages in the obstacle avoidance system. This work is focused to explain the operation of a designed and implemented for the overall detection of objects with low computational ...

    • Obstacle detection algorithm of low computational cost for Guanay II AUV 

      Galarza Bogotá, Cesar Mauricio; Prat Tasias, Jordi; Gomáriz Castro, Spartacus (SARTI, 2016)
      Comunicació de congrés
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      Obstacle detection is one of the most important stages in the obstacle avoidance system. This work is focused to explain the operation of a designed and implemented for the overall detection of objects with low computational ...

    • Obstacle detection and avoidance system for Guanay II AUV 

      Galarza Bogotá, Cesar Mauricio; Masmitjà Rusiñol, Ivan; Prat Tasias, Jordi; Trullols Farreny, Enric; Gomáriz Castro, Spartacus (2016)
      Comunicació de congrés
      Accés obert

    • On-line measurement of water quality at Besòs estuary: effect s of storm and heavy rain episodes 

      Martí Gregorio, Vicenç; Toma, Daniel; Cadena Muñoz, Francisco Javier; Gomáriz Castro, Spartacus; de Pablo, Joan; Cortina Pallás, José Luís; Gibert Agulló, Oriol; Florido Pérez, Antonio; Auge, Xavier; Valderrama, Cesar A. (2021)
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      Only 40 % of European Union surface waters (rivers, lakes and transitional and coastal waters) are in good ecological status and only 38 % are in good chemical status (EEA, 2018). Ecological status is based on biological ...

    • 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
      Accés obert
      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 ...

    • Piezoelectric energy harvesting system for volcanic seismic acquisition equipment 

      Carreras Pons, Normandino; Toma, Daniel; Gomáriz Castro, Spartacus; Miquel Masalles, Jaume; Carbonell Ventura, Montserrat; Vidal Tomás, Jorge; Río Fernandez, Joaquín del (SARTI, 2015)
      Article
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      In this paper it is presented a volcanic seismic acquisition equipment that has been developed together with an energy harvesting system, based on piezoelectrics elements, in order to work in autonomous conditions. The ...

    • Piezoelectric energy harvesting system for volcanic seismic acquisition equipment 

      Carreras Pons, Normandino; Toma, Daniel; Gomáriz Castro, Spartacus; Carbonell Ventura, Montserrat; Vidal Morató, Jordi; Río Fernandez, Joaquín del (2015)
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      –In this paper it is presented a volcanic seismic acquisition equipment that has been developed together with an energy harvesting system, based on piezoelectric elements, in order to work in autonomous conditions. ...

    • Power system of the Guanay II AUV 

      Masmitjà Rusiñol, Ivan; González Agudelo, Julián; Masmitjà Rusiñol, Gerard; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del (2015-02-10)
      Article
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      Guanay II is an autonomous underwater vehicle (AUV) designed to perform measurements in a water column. In this paper the aspects of the vehicle’s power system are presented with particular ...

    • 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)
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      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 ...

    • Range-only benthic rover localization off the central California coast 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B; O'Reilly, Thomas C. (Antoni Mànuel, 2016-10-19)
      Article
      Accés obert
      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 can ...

    • Range-only benthic Rover localization off the central California coast 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B; O’Reilly, T (2016)
      Text en actes de congrés
      Accés obert
      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 ...

    • Range-only benthic rover localization off the central California coast 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, Brian; O'Reilly, Tom (SARTI, 2016)
      Comunicació de congrés
      Accés obert
      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 ...

    • 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
      Accés obert
      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 ...

    • Range-only underwater target localization : error characterization 

      Masmitjà Rusiñol, Ivan; Pallarés Valls, Oriol; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; O’Reilly, T; Kieft, B (2016)
      Text en actes de congrés
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      Locating a target from range measurements using only one mobile transducer has been increased over the last years. This method allows us to reduce the high costs of deployment and maintenance of traditional fixed systems ...

    • Range-only underwater target localization: path characterization 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B; O'Reilly, Thomas C. (2016)
      Text en actes de congrés
      Accés obert
      Underwater localization using acoustic signals is one of the main components in a navigation system for an AUV as a more accurate alternative to dead-reckoning techniques. While different methods based on the idea of ...