Ara es mostren els items 40044-40063 de 89225

  • Flexible grid connection and islanding of SPC-based PV power converters 

    Rodríguez Cortés, Pedro; Citro, Costantino; Candela García, José Ignacio; Rocabert Delgado, Joan; Luna Alloza, Álvaro (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Text en actes de congrés
    Accés obert
    Photovoltaic power plants (PV) are equipped with anti-islanding algorithms, embedded in the converters controller, to avoid the island operation. However, the current trends in the development of the future electrical ...
  • Flexible hardware for fingerprint image processing 

    Fons Lluis, Francesc; Fons Lluis, Mariano; Canto Navarro, Enrique Fernando; López García, Mariano (2007)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Reconfigurable computing adds to the traditional hardware/software design flow a new degree of freedom in the development of electronic systems. In a system-on-chip platform, the fact that a MCU makes evolve at run-time ...
  • Flexible housing: the role of spatial organization to achieve functional efficiency 

    Hosseini Raviz, Seyez Reza; Nik Eteghad, Ali; Usón Guardiola, Ezequiel; Armesto Aira, Antonio (2015-07-10)
    Article
    Accés restringit per política de l'editorial
    According to inhabitants’ dimensions and various aspects of human life, flexible spaces are used as a solution in social housing due to the lack of space that architects always confront. In fact, flexible housing responds ...
  • Flexible information retrieval: some research trends 

    Pasi, Gabriella (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2002)
    Article
    Accés obert
    In this paper some research trends in the field of Information Retrieval are presented. The focus is on the definition of flexible systems, i.e. systems that can represent and manage the vagueness and uncertainty which is ...
  • Flexible Job-Shop Problem minimizando los costes en función de la fecha de entrega y el instante de realización 

    Faura Gatius, Oriol (Universitat Politècnica de Catalunya, 2016-09-05)
    Projecte Final de Màster Oficial
    Accés obert
    El siguiente Trabajo de Fin de Máster consiste en resolver el problema de programación flexible Job-Shop donde el índice de eficiencia a minimizar está formado por la suma de los costes de la energía eléctrica necesaria ...
  • Flexible joint scheduling DBA to promote the fair coexistence in 1G and 10G EPONs 

    Gutiérrez González, Lluís; Garfias Hernandez, Paola; Sallent Ribes, Sebastián (IEEE, 2011)
    Text en actes de congrés
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    The Next Generation Access Networks (NGAN) are the new step forward to deliver broadband services and to facilitate the integration of different technologies. The real challenge faced by 10GEPON new standard IEEE 803.3av ...
  • Flexible media transport framework based on service composition for future network 

    Miguélez Ortiz, Xavier; González Cela, Alberto José; Iglesias, Francisco; Alcober Segura, Jesús Ángel (2011-03)
    Article
    Accés obert
    This work introduces common guidelines defined in several standardization organisms towards future networks based on the actual mechanisms and protocols used to treat the multimedia data, most of them placed in the ...
  • Flexible microwave satellite payload using a software defined radio 

    Miguélez Gómez, Noemí (Universitat Politècnica de Catalunya, 2017-01)
    Treball Final de Grau
    Accés obert
    Cada vez resulta más obvio que los nanosatélites están siendo el impulso para diseñar todo tipo de experimentos que puedan llegar a desarrollar sistemas mucho más potentes, una vez probados y especializados los anteriores. ...
  • Flexible MIMO architectures: guidelines in the design of MIMO parameters 

    Payaró Llisterri, Miquel; Pascual Iserte, Antonio; Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A. (2005)
    Text en actes de congrés
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    One of the multiple advantages of communicating through MIMO systems is their inherent ability to provide flexible configurations. Following this line of thought, in this paper we present a generic framework to study ...
  • Flexible PIFA antenna design for wireless sensor networks in wearable healthcare applications 

    Gil Galí, Ignacio; Fernández García, Raúl (The Electromagnetics Academy., 2006)
    Comunicació de congrés
    Accés obert
    In this work a flexible wearable PIFA antenna has been designed in order to operate according to the Bluetooth v4 standard (2400-2483.5 MHz) in healthcare applications designed for wireless sensor networks. The substrate ...
  • Flexible PON Key technologies: digital advanced modulation formats and devices 

    Lázaro Villa, José Antonio; Altabas, Jose Antonio; Vairavel, S.; Karthikeyan, Subburayan; Sridharan, Madanagurusamy; Garces, Ignacio; Junyent Giralt, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Flexible PON are future paradigm in parallel with flexible and elastic optical networks are under research for core networks. In the same way as those backbone optical networks can be significantly improved by following ...
  • Flexible quantile regression models: application to the study of the purple sea urchin 

    Martínez-Silva, Isabel; Roca-Pardiñas, Javier; Lustres-Pérez, Vicente; Lorenzo-Arribas, Altea; Cadarso-Suárez, Carmen (Institut d'Estadística de Catalunya, 2013)
    Article
    Accés obert
    In many applications, it is often of interest to assess the possible relationships between covariates and quantiles of a response variable through a regression model. In some instances, the effects of continuous covariates ...
  • Flexible rod design for educational wind balance 

    Raush Alviach, Gustavo Adolfo; Castilla López, Roberto; Gámez Montero, Pedro Javier; Wojciechowski, Jakub; Codina Macià, Esteban (2016-03-07)
    Article
    Accés obert
    This article provides a technical description of a flexible hinge for wind tunnel rigs. For academic purposes, the device was integrated into several rod flexures to build a home-made external wind balance system. The ...
  • Flexible system integration and advanced hierarchical control architectures in the microgrid research laboratory of Aalborg University 

    Meng, Lexuan; Luna, Adriana C.; Diaz, Enrique; Sun, Bo; Tomislav Dragicevic, Mehdi; Vasquez Quintero, Juan Carlos; Guerrero, Josep M.; Graells Sobré, Moisès; Andrade, Fabio (2015-12)
    Article
    Accés obert
    This paper presents the system integration and hierarchical control implementation in an inverter-based microgrid research laboratory (MGRL) in Aalborg University, Denmark. MGRL aims to provide a flexible experimental ...
  • Flexible VNE algorithms analysis using ALEVIN 

    Botero Vega, Juan Felipe; Hesselbach Serra, Xavier; Duelli, Michael; Schlosser, Daniel; Fischer, A.; de Meer, Hermann (2011)
    Text en actes de congrés
    Accés obert
    Network virtualization is recognized as an enabling technology for the Future Internet that overcomes network ossification. However, it introduces a set of challenges. In any network virtualization environment, the problem ...
  • Flexible voltage support control for three-phase distributed generation inverters under grid fault 

    Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Vasquez, Juan C.; Alarcón Gallo, Eduardo (Institute of Electrical and Electronics Engineers (IEEE), 2013-04)
    Article
    Accés restringit per política de l'editorial
    Ancillary services for distributed generation (DG)systems become a challenging issue to smartly integrate renewable-energy sources into the grid. Voltage control is one of these ancillary services which can ride through ...
  • Flexible WDM-PON with Nyquist-FDM and 31.25 Gbit/s per wavelength channel using colorless, low-speed ONUs 

    Schindler, Philipp C.; Schmogrow, Rene M.; Dreschmann, Michael; Meyer, Joachim; Hillerkuss, David; Tomkos, Ioannis; Prat Gomà, Josep Joan; Krimmel, Heinz-Georg; Pfeiffer, Thomas; Kourtessis, Pandelis; Becker, Juergen; Koos, Christian; Freude, Wolfgang; Leuthold, Juerg (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    A remotely seeded flexible WDM network solution with 31.25 Gbit/s based on Nyquist sinc-pulses is demonstrated. The low-speed, colorless ONUs use remote heterodyne detection with electrical up- and down-conversion and SOAs ...
  • Flexible WDM/FTDM passive optical network with RZ-seeded all-optical sub-wavelength grid engine 

    Schrenk, Bernhard; Katopodis, Vasilis; Bauwelinck, Johan; Lázaro Villa, José Antonio; Yin, Xin; Bakopoulos, Paraskevas; Spyropoulou, Maria; Qiu, Xing Z.; Avramopoulos, Hércules (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    All-optical FDM grid generation and channel selection is experimentally demonstrated through optical signal processing. Full-duplex 10G/2×10G transmission with reflective ONUs is validated for 20dB budget and 25km reach. ...
  • Flexible, transparent electrodes using carbon nanotubes 

    Ferrer Anglada, Núria; Iqbal, Muhammad Zahir; Pérez Puigdemont, Jordi; Figueras, Jordi; Roth, Segmar (2012-12-10)
    Article
    Accés obert
    We prepare thin single-walled carbon nanotube networks on a transparent and flexible substrate with different densities, using a very simple spray method. We measure the electric impedance at different frequencies Z(f) in ...
  • Flexión termoelástica de placas ortótropas 

    Rossit, Carlos A.; Laura, Patricio A. A. (Universitat Politècnica de Catalunya, 1999)
    Article
    Accés obert
    En el presente trabajo se analiza la flexión termoelástica de placas ortótropas delgadas bajo la hipótesis de pequeñas deformaciones. Se aproxima la deflexión de la placa en términos de funciones coordenadas polinómicas ...