Exploració per tema "Electric circuits"

Ara es mostren els items 21-40 de 49

    • Design and implemantation of a resonant gate-drive circuit with capability of high frequency and high efficiency operation 

      Rius Rueda, Armand (Universitat Politècnica de Catalunya / Nagaoka University of Technology, 2011)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      This document deals with the design and implementation of a resonant gate-drive circuit capable of high frequency and high efficiency operation. This gate-drive circuit is characterized by a resonant inductor connected in ...

    • Diseño y fabricación del cuerpo y mástil de una guitarra elèctrica 

      Costa Ricós, Marc (Universitat Politècnica de Catalunya, 2021-09-27)
      Treball Final de Grau
      Accés obert
      Aquest treball de fi de grau consisteix en el disseny i fabricació d’un prototip de guitarra elèctrica de caràcter únic. Per tal de dur a terme el projecte s’han usat conceptes principalment del camp de les matemàtiques, ...

    • Electric systems 

      Riba Ruiz, Jordi-Roger (EUETII, UPC, 2010-09-15)
      Llibre
      Accés obert

    • Energía y parámetros en generadores de impulso de corriente para 100 kA 

      Montañá Puig, Juan (2001)
      Comunicació de congrés
      Accés restringit per decisió de l'autor
      En los equipos para ensayos de impulso de corriente, un parámetro fundamental para el dimensionamiento de estos es la energía aportada al ESE (Equipo Sometido a Ensayo) la cual tendrá que ser previamente almacenada en ...

    • Experimental investigation of memristance enhancement 

      Ntinas, Vasileios; Rubio Sola, Jose Antonio; Sirakoulis, Georgios; Rodriguez, Rosana; Nafría Maqueda, Montserrat (2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Memristor devices are two-terminal nanoscale circuit elements that exhibit nonvolatile information storing and can be manufactured in ultra-dense arrays with low-power operation. Although, theoretically, memristors are ...

    • Exploring the voltage divider approach for accurate memristor state tuning 

      Vourkas, Ioannis; Gomez, Jorge; Abusleme, Angel; Vasileiadis, Nikolaos; Sirakoulis, Georgios; Rubio Sola, Jose Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The maximum exploitation of the favorable properties and the analog nature of memristor technology in future nonvolatile resistive memories, requires accurate multilevel programming. In this direction, we explore the voltage ...

    • Generador d'energia elèctrica a partir del calor corporal 

      Cañadas Sánchez, Ismael (Universitat Politècnica de Catalunya, 2017-05)
      Treball Final de Grau
      Accés obert
      Aquest projecte pretén estudiar i desenvolupar el disseny i implementació d’un generador de voltatge a partir de la calor que desprèn l’ésser humà i aprofitar-la per a carregar dispositius com mòbils, smartphones, tabletes, ...

    • Hybrid passive junction box 

      Cano Salomó, Òscar (Universitat Politècnica de Catalunya, 2018-06-28)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Lear Corporation

    • Investigation of Power Saving Techniques in Signal Conditioning Circuits for Resistive Sensors 

      Rius Fuertes, Marc (Universitat Politècnica de Catalunya / Universität Karlsruhe, 2013)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      In structural health monitoring (SHM), strain gauges are often used to sense important points of a system. However, as they are resistive sensors, a lot of current is required and that may reduce the autonomy of the device ...

    • Low-cost positional tracking for virtual reality applications 

      Moreu, Enric (Universitat Politècnica de Catalunya, 2018-02)
      Treball Final de Grau
      Accés obert
      The aim of the project is the implementation of a tracking system able to follow a ping-pong paddle and represent it precisely, and in real-time in a virtual reality environment. The data is obtained by several optical ...

    • Método de los nudos ampliado y su aplicación a circuitos eléctricos 

      Vega Comet, Ferran (Universitat Politècnica de Catalunya, 2021-01-29)
      Treball Final de Grau
      Accés obert
      El presente proyecto consiste en la extensión del método de los nudos clásico con el fin de poder abordar la resolución de una gama más amplia de circuitos eléctricos incluyendo fuentes de corriente controladas por tensión, ...

    • Multi-sensor data analysis to support nursing home care management 

      Ortega Blasi, Andreu (Universitat Politècnica de Catalunya, 2018-06)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Katholieke Universiteit te Leuven
      This thesis focuses on incontinence nursing homes residents. As the society is aging as the population studies show, new problems are conceded: the older the population becomes, the more nursing homes are needed. One of ...

    • Navegación autónoma de drones y automatización de rutas aplicadas a la limpieza de edificios 

      Plaza Rey, Daniel (Universitat Politècnica de Catalunya, 2017-06)
      Treball Final de Grau
      Accés obert
      This thesis describes the process of analysis and implementation of a SW solution, based on a low cost HW, to automate routes in building cleaning operatives using UAVs. In the first part of the thesis there is a review ...

    • On the thermal noise introduced by a resistor in a circuit 

      Vargas Drechsler, Manuel; Pallàs-Areny, Ramon (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1996-02-01)
      Working paper
      Accés obert
      Comentari sobre l'article publicat anteriorment pels mateixos autors: Vargas, M; Pallás, R; The seemingly paradoxical noise behaviour some active circuits. IEEE Transactions on Instrumentation and Measurement. 1994, vol. ...

    • Optimal inductor current in boost DC/DC converters operating in burst mode under light-load conditions 

      Reverter Cubarsí, Ferran; Gasulla Forner, Manuel (2016-01-01)
      Article
      Accés obert
      This letter analyzes how the efficiency of boost dc/dc converters operating in burst mode under light-load conditions can be improved by an appropriate selection of the inductor current that transfers energy from the input ...

    • Passive devices in X-Band for space communications 

      Albajar Garduño, Marc (Universitat Politècnica de Catalunya, 2016-02-09)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Performance analysis and design optimization of a self-powered gate-driver supply circuit 

      Busquets Monge, Sergio; Boroyevich, Dushan; Burgos, Rolando; Chen, Zhen (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Comunicació de congrés
      Accés obert
      In this paper, the performance of a self-powered unipolar gate driver supply circuit for power devices is studied, with the aim of analyzing the viability of using such circuits in high voltage applications with discrete ...

    • Radiation of implanted antenna in the multi-layer spherical model of body tissues: RFID using the Frequency Splitting phenomenon 

      Carreras Mallol, Sergi (Universitat Politècnica de Catalunya, 2021-06)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   École polytechnique fédérale de Lausanne
      Electrical and Telecommunication Engineering is nowadays playing a fundamental role in biomedical research and its applications. Microwave and Antenna Group at EPFL are working resolutely to help in this vital field for ...

    • Realización de condensadores electrónicamente variables: lineal o inversamente controlados por tensión 

      Miguel López, José María; Puerta Notario, Antonio; Sanz Postils, Margarita (Unión Científica Internacional de Radio (URSI), 1986)
      Comunicació de congrés
      Accés obert

    • Resonance-based procedure for locating failed luminaires in AGL systems 

      Vidal, Daniel; Monjo, Luis; Sainz Sapera, Luis (2018-02)
      Article
      Accés obert
      IEEE Aeronautical ground lighting (AGL) systems provide a visual reference for aircraft during airport operations. Fast detection and location of failed luminaires is an important safety concern in AGL systems. In the event ...