Exploració per tema "Power"

Ara es mostren els items 1-20 de 48

    • Achievable hierarchies in voting games with abstention 

      Freixas Bosch, Josep; Tchantcho, Bertrand; Tedjeugang, Narcisse (Elsevier, 2014-07-01)
      Article
      Accés obert
      It is well known that he influence relation orders the voters the same way as the classical Banzhaf and Shapley-Shubik indices do when they are extended to the voting games with abstention (VGA) in the class of complete ...

    • Amplificador de potencia para excitación de arrays de ultrasonidos de media intensidad 

      Seijas Hernández, Daniel (Universitat Politècnica de Catalunya, 2020-07)
      Treball Final de Grau
      Accés obert
      The objective of this Final Degree Project is framed within a line of work for the generation of acoustic fields through a grouping of transducers, excited by controlled amplitude and phase signals, with medium and high ...

    • An adaptive controller to save dynamic energy in LP-NUCA 

      Suárez Gracía, Dario; Monreal Arnal, Teresa; Viñals Yúfera, Víctor (Universidad de La Laguna. Servicio de Publicaciones, 2011)
      Text en actes de congrés
      Accés obert
      Portable devices often demand powerful processors to run computing intensive applications, such as video playing or gaming, and ultra low en-ergy consumption to extend device uptime. Such con-flicting requirements are hard ...

    • An axiomatic characterization of the potential decisiveness index 

      Freixas Bosch, Josep; Pons Navarro, Montserrat (2015-03-01)
      Article
      Accés obert
      Let us consider that somebody is extremely interested in increasing the probability of a proposal to be approved by a certain committee and that to achieve this goal he/she is prepared to pay off one member of the committee. ...

    • An optimized predication execution for SIMD extensions 

      Barredo Ferreira, Adrián; Cebrián González, Juan Manuel; Moretó Planas, Miquel; Casas, Marc; Valero Cortés, Mateo (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Comunicació de congrés
      Accés obert
      Vector processing is a widely used technique to improve performance and energy efficiency in modern processors. Most of them rely on predication to support divergence control. However, performance and energy consumption ...

    • Babilonia, ida y vuelta: del rey arquitecto al arquitecto rey 

      Sanmartín, Joaquín (Departamento de Composición Arquitectónica (UPC Barcelona TECH), 2013-12)
      Article
      Accés obert
      Los (pocos) reyes-arquitecto mesopotámicos que –para acercarse a los dioses– recurrieron al signo DINGIR “estrella” coinciden en un vértice con los (muchos)arquitectos-rey del (post)modernismo: su vocación estelar. El star ...

    • Comparison of model order reduction techniques for digital predistortion of power amplifiers 

      Gilabert Pinal, Pere Lluís; Montoro López, Gabriel; Wang, Teng; Ruiz, Nieves; García García, José Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés obert
      This paper compares and discusses four techniques for model order reduction based on compressed sensing (CS), less relevant basis removal (LRBR), principal component analysis (PCA) and partial least squares (PLS). CS and ...

    • Desarrollo en visual basic de una herramienta de cálculo de inductivos y etapas de potencia de fuentes de alimentación conmutadas 

      Prieto Bonilla, Sergio (Universitat Politècnica de Catalunya, 2016-02)
      Projecte/Treball Final de Carrera
      Accés obert
      The aim of this project is to automate the components design for differents isolated and not isolated DC-DC switching mode power supply topologies, as well as DC-AC converter topologies.

    • Design and Implementation of a Controller for a Wireless Power Transfer Demonstrator 

      Perich Ibáñez, Daniel (Universitat Politècnica de Catalunya, 2019-06)
      Treball Final de Grau
      Accés obert
      This thesis describes the design and implementation of a controller for a wireless power transfer (WPT) demonstrator. First, the system was simulated to examine the feasibility. Then, an analog control was designed and ...

    • Design of a power amplifier for capacitive loads 

      Janer I Serramià, Arnau (Universitat Politècnica de Catalunya, 2019-10)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor

    • Design of Class D Audio Amplifier 

      Salvia Folguera, Gerard (Universitat Politècnica de Catalunya, 2021-05-19)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      L’objectiu principal del projecte és entendre, dissenyar, implementar i estudiar el comportament d’un amplificador d’àudio de classe D implementat amb transistors GaN. Un dels objectius és implementar un prototip que ...

    • Design, implementation, and verification of an FPGA-based control system for a permanent-magnet motor drive built upon a three-phase four-level active-clamped inverter 

      García Rojas, Gabriel (Universitat Politècnica de Catalunya, 2015-05)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] The present work summarizes the work and knowledge acquired by the author during its Master’s Thesis in the Research Group in Power Electronics, GREP. The development is based on the Multilevel Active-Clamped (MAC) ...

    • Ducted fan propulsion system study for ONAerospace eVTOL 

      De Vehí Perich, Miquel Carlos (Universitat Politècnica de Catalunya, 2023-02-14)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   ONAerospace
      In recent years, the relentless advance of climate change forces society to adapt to more sustainable modes of transportation. In a not so distant future, urban transport is envisioned to expand to the skies with new ...

    • Energy efficiency of elastic frequency grids in multilayer IP/MPLS-over-flexgrid networks 

      Ricciardi, Sergio; Palmieri, Francesco; Castiglione, Aniello; Careglio, Davide (2015-10)
      Article
      Accés obert
      Flexgrid Optical Networks provide higher spectrum efficiency and flexibility in comparison to traditional wavelength switched optical networks (WSON) due to the finer granularity in managing communication channels at the ...

    • Energy-oriented denial of service attacks: an emerging menace for large cloud infrastructures 

      Palmieri, Francesco; Ricciardi, Sergio; Fiore, Ugo; Ficco, Massimo; Castiglione, Aniello (2015-05-01)
      Article
      Accés obert
      This work analyzes a new and very subtle kind of security threat that can affect large-scale cloud-based IT service infrastructures, by exploiting the computational resources of their component data center to waste as much ...

    • Estudio de viabilidad para la implantación de una planta fotovoltaica en el municipio Arnes, en la Terra Alta (Tarragona) 

      Olmo Sánchez, Luis del (Universitat Politècnica de Catalunya, 2020-07-14)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Según estima la IPCC (Intergovernmental Panel on Climate Change), la sociedad tiene 12 años para actuar antes de que las consecuencias medioambientales causadas por el cambio climático sean irreparables. En el momento en ...

    • Estudio luminotécnico y auditoria energética en el Instituto Miquel Martí i Pol de Cornellá de Llobregat 

      Alvarez Molina, Sergio (Universitat Politècnica de Catalunya, 2018-02)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      [CASTELLÀ] En el presente documento se realiza el estudio sobre el Instituto Miquel Martí i Pol de Cornellá de Llobregat, analizando la instalación actual de iluminación y mediante la herramienta DIALux Evo se propone ...

    • High voltage shore connections. Application in piers and power supply ships 

      Pons Roser, Aina (Universitat Politècnica de Catalunya, 2016-06)
      Treball Final de Grau
      Accés obert
      The High-Voltage Shore Connections (HVSC) are an efficient way to reduce air pollution in ports and its surroundings, as it allows ships to connect themselves to a shore source of energy and shut down their engines, thus ...

    • Highly reliable central power supply unit for multipurpose aerospace applications 

      Muñoz Gayet, Joan (Universitat Politècnica de Catalunya, 2017-12)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat

    • Indoor monitoring system based on ARQ signaling generated by a Visible Light Communication link 

      Bas, Joan; Ortega Redondo, Juan Antonio; Busquets González, Martí; Dowhuszko, Alexis (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Visible Light Communications (VLC) is a candidate technology that complements the benefits of radio communication networks, particularly in those situations where a low-cost solution using license-free spectrum is required ...