Enviaments recents

  • Feasibility analysis of bluetooth 5 for real-time data transmission in high-voltage AC and DC substations 

    Kadechkar, Akash; Moreno Eguilaz, Juan Manuel; Riba Ruiz, Jordi-Roger (2018)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    In the past, there have been some practical experiments to study the effect of radio interference and high impulse noise affecting some selected wireless communications protocols in substation environments. However, in the ...
  • Simulation study of tandems of perovskite and IBC c-Si solar cells 

    Silvestre Bergés, Santiago; Mas-Marza, Elena; Puigdollers i González, Joaquim; Fabregat Fillet, Jaume; Ortega Villasclaras, Pablo Rafael; Serra, Danielle (WIP Renewable Energies, 2018)
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    In this work, the simulation results obtained for a tandem configuration of perovskite, as top cell, and Interdigitated Back-Contacted (IBC) c-Si as bottom cell are presented. Two different models were used for the modelling ...
  • On the effects of free-stream turbulence intensity in the fluid flow and heat transfer from a sphere at subcritical Reynolds numbers 

    Rodríguez Pérez, Ivette María; Lehmkuhl, Oriol; Soria Guerrero, Manel; Gomez, Samuel; Domínguez Pumar, Manuel; Kowalski, Lukasz (2018)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    In this work, the effect of the free-stream turbu-lence on the heat transfer and the near wake behind a sphere is studied at moderate Reynolds numbers of ¿¿ ¿ ¿¿¿¿ and ¿¿ ¿ ¿¿¿. Turbulence delays the sep-aration of the ...
  • Data-driven operation performance evaluation of multi-chiller system using self-organizing maps 

    Cirera Balcells, Josep; Quiles Zaguirre, Maria; Cariño Corrales, Jesús Adolfo; Zurita Millán, Daniel; Ortega Redondo, Juan Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    Industrial plants performance evaluation has become a difficult task due to the machinery complexity. Multi-chiller systems take up big proportion of energy in food and beverage companies. Complex refrigeration generation ...
  • Implementation of a low cost prototype for electrical impedance tomography based on the integrated circuit for body composition measurement AFE4300 

    Mosquera, V.H.; Arregui, A.; Bragós Bardia, Ramon; Rengifo, C. F (Scitepress, 2018)
    Text en actes de congrés
    Accés obert
    Electrical impedance tomography (EIT) is a technique of image reconstruction of the electrical conductivity distribution in a tissue or region under observation. An electrical system for EIT comprises complex hardware and ...
  • Performance characterization of spark workloads on shared NUMA Systems 

    Baig, Shuja Ur Rehman; Amaral, Marcelo; Polo Cantero, José; Carrera Pérez, David (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    As the adoption of Big Data technologies becomes the norm in an increasing number of scenarios, there is also a growing need to optimize them for modern processors. Spark has gained momentum over the last few years among ...
  • A machine learning-based approach for virtual network function modeling 

    Mestres Sugrañes, Albert; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    Recent trends in networking are proposing the use of Machine Learning (ML) techniques for the control and operation of the network. The application of ML to networking brings several use-cases as well as challenges. The ...
  • Delfos, un recurs interactiu per l'estudi de dispositius electrònics 

    Calderer Cardona, Josep; Prat Viñas, Lluís; Jimenez Serres, Vicente; Pons Nin, Joan (Universitat de Barcelona. Edicions i Publicacions, 2006)
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    Accés obert
    Es presenta un programa interactiu per a un curs bàsic de dispositius semiconductors suportat per ordinador personal. Els destinataris primers són els alumnes de la titulació de segon cicle en Enginyeria Electrònica de la ...
  • Medidas sísmicas instantaneas del fondo marino 

    Roset Juan, Francesc Xavier; Trullols Farreny, Enric; Prat Farran, Joana d'Arc; Río Fernandez, Joaquín del; Massana Hugas, Immaculada; Carbonell Ventura, Montserrat; Toma, Daniel (International Centre for Numerical Methods in Engineering (CIMNE), 2018)
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    El proyecto INMARSIS ha desarrollado y desplegado un equipo marino anclado que suministra datos sísmicos en tiempo real. El sistema se basa en un sismómetro submarino, una boya de superficie y un cable de amarre que ...
  • Multi-layer active power and frequency control strategy for industrial microgrids 

    Rey, Juan Manuel; Solano, Javier; Torres Martínez, Javier; Miret Tomàs, Jaume; Ghahderijani, Mohammad Moradi; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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    Industrial microgrids require control strategies that guarantee high reliability and power quality. In this paper a multi-layer active power and frequency control strategy for industrial microgrids is presented. It is ...
  • A communication-less control scheme for a variable air-gap wireless energy transfer system using current source resonant converter 

    Ghahderijani, Mohammad Moradi; Castilla Fernández, Miguel; Rey López, Juan Manuel; Torres Martínez, Javier; Garnica López, Miguel Andrés (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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    This paper presents a robust control method for wireless energy transfer systems using current source resonant converter without any communication network. The proposed control strategy is valid even for systems with ...
  • Experimental study of clock drift impact over droop-free distributed control for industrial microgrids 

    Torres Martínez, Javier; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Ghahderijani, Mohammad Moradi; Rey López, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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    It is well-know that in systems composed of several digital processors, clock signals of individual units differ from each other due to clock drifts. This paper investigates the effect of clock drifts from voltage source ...

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