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  • On the boundary layer development and heat transfer from a sphere at moderate Reynolds numbers 

    Rodríguez Pérez, Ivette María; Lehmkuhl, Oriol; Soria Guerrero, Manel; Gómez, Samuel; Domínguez Pumar, Manuel; Kowalski, Lukasz (2018)
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    Direct and large-eddy numerical simulations have been performed for a heated sphere at Reynolds numbers 200, 300, 500, 750, 1000 and 104, in the context of the development of a spherical wind sensor for Mars atmosphere ...
  • Passivity-based control of active and reactive power in single-phase PV inverters 

    Biel Solé, Domingo; Scherpen, Jacquelien (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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    This work presents the control design guidelines of a passivity-based control of the active and the reactive power in single-phase PV inverters. The control ensures global asymptotic convergence of the tracking error ...
  • Memristive cellular automata for modeling of epileptic brain activity 

    Karamani, Rafallia; Fyrigos, Iosif; Ntinas, Vasileios; Vourkas, Ioannis; Sirakoulis, Georgios Ch.; Rubio Sola, Jose Antonio (2018)
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    Cellular Automata (CA) is a nature-inspired and widespread computational model which is based on the collective and emergent parallel computing capability of units (cells) locally interconnected in an abstract brain-like ...
  • Coupled physarum-inspired memristor oscillators for neuron-like operations 

    Ntinas, Vasileios; Vourkas, Ioannis; Sirakoulis, Georgios Ch.; Adamatzky, Andrew; Rubio Sola, Jose Antonio (2018)
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    Unconventional computing has been studied intensively, even after the appearance of CMOS technology. Currently, it has returned to the spotlight because CMOS is about to reach its physical limits, given that the constant ...
  • Millimeter-wave propagation within a computer chip package 

    Timoneda, Xavier; Abadal Cavallé, Sergi; Cabellos Aparicio, Alberto; Manessis, Dionyssios; Zhou, Jin; Franques, Antonio; Torrellas, Josep; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Texto en actas de congreso
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    Wireless Network-on-Chip (WNoC) appears as a promising alternative to conventional interconnect fabrics for chip-scale communications. The WNoC paradigm has been extensively analyzed from the physical, network and architecture ...
  • Programmable metasurfaces: state of the art and prospects 

    Liu, Fu; Pitilakis, Alexandros; Mirmoosa, Mohammad Sajjad; Tsilipakos, Odysseas; Wang, Xuchen; Tasolamprou, Anna; Abadal Cavallé, Sergi; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José; Liaskos, Christos; Kantartzis, Nikolaos V.; Kafesaki, Maria; Economou, Eleftherios; Soukoulis, Costas; Tretyakov, Sergei (Institute of Electrical and Electronics Engineers (IEEE), 2018)
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    Metasurfaces, ultrathin and planar electromagnetic devices with sub-wavelength unit cells, have recently attracted enormous attention for their powerful control over electromagnetic waves, from microwave to visible range. ...
  • Intercell wireless communication in software-defined metasurfaces 

    Tasolamprou, Anna; Mirmoosa, Mohammad Sajjad; Tsilipakos, Odysseas; Pitilakis, Alexandros; Liu, Fu; Abadal Cavallé, Sergi; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José; Liaskos, Christos; Kantartzis, Nikolaos V.; Tretyakov, Sergei; Kafesaki, Maria; Economou, Eleftherios; Soukoulis, Costas (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Texto en actas de congreso
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    Tunable metasurfaces are ultra-thin, artificial electromagnetic components that provide engineered and externally adjustable functionalities. The programmable metasurface, the HyperSurFace, concept consists in integrating ...
  • Effect of angle errors in conical tip buffer rods 

    García Álvarez, Javier; García Hernández, Miguel J.; Chávez Domínguez, Juan Antonio; Turó Peroy, Antonio; Salazar Soler, Jorge (Institute of Electrical and Electronics Engineers (IEEE), 2011)
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    Buffer rods are usually plastic or metallic solid cylinders of known acoustic properties, which are placed between the ultrasonic transducer and the sample under study. For some applications, the buffer rod end in contact ...
  • Electronically tunable switch-mode high-efficiency adaptive band-pass filters for energy harvesting applications 

    Gomez Cid-Fuentes, Raül; Martínez García, Herminio; Poveda López, Alberto; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2012)
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    Wireless Sensor Networks (WSN) present a pending challenge for a complete deployability due to energy requirements. The Self-Powered WSN approach aims to extend the sensor node life by means of Energy Harvesting. The ...
  • Material-dependencies of the THz emission from plasmonic graphene-based photoconductive antenna structures 

    Suessmeier, Christoph; Abadal Cavallé, Sergi; Stock, Daniel; Schaeffer, Stephan; Alarcón Cot, Eduardo José; Hosseininejad, Seyed Ehsan; Wigger, Anna K.; Wagner, Stefan; Cabellos Aparicio, Alberto; Lemme, Max; Bolívar, Peter Haring (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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    Graphene supports surface plasmon polaritons with comparatively slow propagation velocities in the THz region, which becomes increasingly interesting for future communication technologies. This ability can be used to realize ...
  • A graphene based plasmonic antenna design for communication in the THz regime 

    Suessmeier, Christoph; Schaeffer, Stephan; Abadal Cavallé, Sergi; Alarcón Cot, Eduardo José; Hosseininejad, Seyed Ehsan; Wigger, Anna K.; Stock, Daniel; Wagner, Stefan; Cabellos Aparicio, Alberto; Lemme, Max; Bolívar, Peter Haring (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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    Acceso restringido por política de la editorial
    We show the first THz emission of a graphene based plasmonic antenna structure. Furthermore we present the minimum material requirements for an operational graphene antenna in terms of chemical potential µc and relaxation time t.
  • Method to reduce THD and improve efficiency in SiC power converter. 

    Fernández Palomeque, Efrén Esteban; Paredes Camacho, Alejandro; Sala Caselles, Vicenç; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Texto en actas de congreso
    Acceso abierto
    This paper presents a method to reduce total harmonic distortion (THD) and improve efficiency of a topology of power converter using SiC devices. The method consists of two parts: the first part finds the optimum offset ...

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