Recent Submissions

  • Sliding mode control of a dc-dc dual active bridge using the generalized space-state averaging description 

    Dòria Cerezo, Arnau; Martin Serra, Federico; Biel Solé, Domingo; Griñó Cubero, Robert (2021)
    Conference report
    Open Access
    This paper presents a sliding mode control strategy for a dc-dc dual active bridge converter. The controller is based on a truncated model obtained using the generalized state space averaging method that transforms the ...
  • Contributions to the pendulum-type wave energy converter system for oceanic drifter applications 

    Carandell Widmer, Matias; Toma, Daniel; Gasulla Forner, Manuel; Río Fernandez, Joaquín del (2021)
    Conference report
    Open Access
    Lagrangian Drifters are autonomous floating passive devices that provide oceanographic surface data. They are low-cost, versatile and easy-deployable marine instrumentation used in climate research. One of the main challenges ...
  • Nonlinear dynamic analysis of pendulum-type Wave Energy Converter for low-power marine monitoring applications 

    Carandell Widmer, Matias; Toma, Daniel; Alevras, Panagiotis; Gasulla Forner, Manuel; Río Fernandez, Joaquín del; Barjau Condomines, Ana (European Wave and Tidal Energy Conference (EWTEC), 2021)
    Conference report
    Open Access
    A model for a double pendulum Wave Energy Converter (WEC) for drifter applications has been developed and validated. The WEC is composed by an articulated arm, a gear train, a flywheel, a one-way bearing and a DC generator. ...
  • High-frequency spread-spectrum modulations for wide-bandgap voltage source converters 

    Lumbreras Carrasco, David; Zaragoza Bertomeu, Jordi; Berbel Artal, Néstor; Mon González, Juan; Galvez Moreno, Eduardo; Collado Escolano, Alfonso (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference lecture
    Restricted access - publisher's policy
    The high efficiency and the electromagnetic com- patibility of wide-bandgap (WBG) power converters can be further improved using spread-spectrum (SS) modulations. This paper evaluates and compares the impact of SS techniques ...
  • Miniaturised bidirectional acoustic tag to enhance marine animal tracking studies 

    Masmitjà Rusiñol, Ivan; Corregidor, Daniel; López Navarro, Juan Manuel; Martínez Padró, Enoc; Navarro, Joan; Gomáriz Castro, Spartacus (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Restricted access - publisher's policy
    Acoustic underwater tags are key devices to study marine animals and comprehend their patterns, which provide essential behavioural information for applying new conservation policies. At present, all the acoustic tags have ...
  • Analysis and initial design of bidirectional acoustic tag modulation schemes and communication protocol 

    Corregidor, Daniel; Masmitjà Rusiñol, Ivan; López Navarro, Juan Manuel; Gomáriz Castro, Spartacus; Navarro, Joan; De Arcas Castro, Guillermo (2021)
    Conference report
    Restricted access - publisher's policy
    Acoustic underwater tags are key devices to study marine animals and obtain information regarding their behaviour. This information is essential to increase our knowledge of oceanic species and implement efficient conservation ...
  • Real-time wave monitoring on coastal areas using LPWAN-based embedded systems 

    Carandell Widmer, Matias; Toma, Daniel; Artero Delgado, Carola; Gasulla Forner, Manuel; Río Fernandez, Joaquín del (2021)
    Conference report
    Restricted access - publisher's policy
    A new embedded system is presented for real-time wave monitoring on coastal areas using SigFox communication. SigFox is a Low-Power Wide-Area Network technology that has been rarely used in coastal marine monitoring. The ...
  • An interoperable architecture for in situ ocean noise monitoring 

    Martínez Padró, Enoc; Masmitjà Rusiñol, Ivan; Garcia Benadí, Albert; Toma, Daniel; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del (2021)
    Conference report
    Open Access
    Anthropogenic noise in the oceans has been significantly raising in the past decades due to an increment of human activities, adversely affecting the marine habitat. In order to assess and limit this impact, the long -term ...
  • An integrated biogeochemistry observation system at Besòs estuary 

    Toma, Daniel; Artero Delgado, Carola; Martínez Padró, Enoc; Cadena Muñoz, Francisco Javier; Nogueras Cervera, Marc; Carandell Widmer, Matias; Río Fernandez, Joaquín del; Gomáriz Castro, Spartacus (2021)
    Conference report
    Open Access
    Estuaries are coastal indentations where freshwater mixes with seawater (Pritchard 1967), and are found everywhere in the world. Moreover, the estuarine ecosystems are usually characterized by high biological productivity ...
  • Developing an acoustic tag with bidirectional communications capabilities 

    Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Bouvet, Pierre-Jean; Aguzzi, Jacopo; Río Fernandez, Joaquín del (2021)
    Conference report
    Open Access
    The study of marine animal behaviour is crucial to manage fisheries stocks and to understand the climate change effect on them, especially their moving patterns. In order to achieve that, different methods have been developed ...
  • Underwater light estimation using the OBSEA camera 

    Nogueras Cervera, Marc; Río Fernandez, Joaquín del (2021)
    Conference report
    Open Access
    This is a description of the method used in the OBSEA observatory to obtain a value for the amount of light present in the seafloor using the existing video surveillance camera.
  • Evaluation of two MPPT techniques in low-power pendulum-type wave energy converters 

    Carandell Widmer, Matias; Toma, Daniel; Gasulla Forner, Manuel; Río Fernandez, Joaquín del (2021)
    Conference report
    Open Access
    Two Maximum Power Point Tracking (MPPT) techniques have been tested on a Power Management Unit (PMU) which efficiently controls the generated energy of a Kinetic Energy Harvester (KEH) for drifter applications. Tests have ...

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