Recent Submissions

  • Power quality enhancement in a grid-integrated photovoltaic system using hybrid techniques 

    Bandahalli Mallappa, Prasad Kumar; Martínez García, Herminio; Velasco Quesada, Guillermo (Multidisciplinary Digital Publishing Institute, 2021-10-28)
    Article
    Open Access
    In recent years, the photovoltaic (PV) system was designed to supply solar power through photovoltaic arrays. The PV generator exhibits nonlinear voltage–current characteristics and its maximum power point tracking (MPPT), ...
  • Feasibility of a full chalcopyrite tandem solar cell: a quantitative numerical approach 

    Tiwari, Kunal; Giraldo, Sergio; Placidi, Marcel Jose; Gon Medaille, Axel; Saucedo Silva, Edgardo Ademar; Jehl Li-Kao, Zacharie (Wiley, 2021-07-08)
    Article
    Open Access
    The potential of tandem solar cells combining two chalcopyrite absorbers is evaluated using numerical modeling based on an exhaustive set of experimental parameters, offering a high degree of confidence in the numerical ...
  • 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 ...
  • Dual-loop continuous control set model predictive control for a three-phase unity power factor rectifier 

    Alfaro Aragón, Carlos Arturo; Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2021-08-24)
    Article
    Restricted access - publisher's policy
    In this paper, a novel cascade model predictive control for a three-phase unity power factor rectifier is presented. Unlike the traditional control techniques for rectifiers, the proposed method uses a cascade dual-model ...
  • 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 ...
  • Hole Transport Layer based on atomic layer deposited V2Ox films: paving the road to semi-transparent CZTSe solar cells 

    Almache Hernández, Rosa Estefanía; Pusay Villarroel, Benjamín Andrés; Tiwari, Kunal; Ros, Eloi; Masmitjà Rusiñol, Gerard; Becerril Romero, Ignacio; Martín García, Isidro; Voz Sánchez, Cristóbal; Puigdollers i González, Joaquim; Saucedo Silva, Edgardo Ademar; Ortega Villasclaras, Pablo Rafael (2021-09-15)
    Article
    Restricted access - publisher's policy
    This work explores the use of very thin transparent vanadium oxide films deposited by atomic layer deposition (ALD) technique as hole transport layer for CZTSe solar cells as alternative of opaque molybdenum based contacts. ...
  • 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 ...
  • Dynamic analysis of a pendulum-type wave energy converter for oceanic drifters by means of a 4 DoF model 

    Ortiz de Haro, Joan; Carandell Widmer, Matias; Barjau Condomines, Ana (2021)
    Conference report
    Open Access
    A 4 DoF analytical model for a drifter with an embedded simple pendulum with energy harvesting purposes have been developed. The Lagrange equations have been used to obtain the motion model while Morrison and Airy’s theorems ...
  • 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 ...
  • 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 ...
  • Hardware-software co-design for efficient and scalable real-time emulation of SNNs on the edge 

    Oltra Oltra, Josep Angel; Madrenas Boadas, Jordi; Zapata Rodríguez, Mireya; Vallejo Mancero, Bernardo Javier; Mata Hernández, Diana; Sato, Shigeo (Institute of Electrical and Electronics Engineers (IEEE), 2021)
    Conference report
    Restricted access - publisher's policy
    This paper introduces a novel workflow for Distributed Spiking Neural Network Architecture (DSNA). As such, the hardware implementation of Single Instruction Multiple Data (SIMD)-based Spiking Neural Network (SNN) requires ...

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