Now showing items 1-20 of 85

  • Agents-oriented platform to discriminate activity patterns 

    Franco Genis, Oscar (Universitat Politècnica de Catalunya, 2009-08-10)
    Master thesis (pre-Bologna period)
    Open Access
    The aim of this project is to de ne a platform to diagnose behaviours or activities. The main idea is to create a system endowed with sensors able to identify the status of the subject who wears it through the sensors signals.
  • Amplificació d'àudio en classe D 

    Ràfols Soler, Pere (Universitat Politècnica de Catalunya, 2007-06)
    Master thesis (pre-Bologna period)
    Open Access
    Amplificar és el procés d’augmentar l’amplitud d’un senyal. Existeixen diferents mètodes per amplificar àudio. Cadascuna d’aquestes tècniques aporta els seus avantatges i inconvenients, no obstant l’evolució tecnologia ...
  • Amplificador Clase E para la Banda ISM 

    De Joz Rodriguez, Carlos Francisc (Universitat Politècnica de Catalunya, 2010-07-23)
    Bachelor thesis
    Open Access
    Es tracta de dissenyar un amplificador de RF classe E que treballi a 900 Mhz, utilitzant un transistor MOS. S'ha de dissenyar l'amplificador, escollir el transistor, dissenyar les xarxes d'accès, les xarxes d'adaptació, ...
  • Análisis eléctrico del altavoz dinámico mediante modelado de anomalías mecánicas de fricción 

    Ruiz Illana, Germán; Sala Caselles, Vicenç; Ortega Redondo, Juan Antonio; Romeral Martínez, José Luis (2010)
    Conference report
    Open Access
    El presente trabajo busca caracterizar el efecto de la fricción del conjunto móvil con el polo o el núcleo de la estructura magnética sobre la corriente absorbida por el altavoz, una de las más relevantes anomalías mecánicas ...
  • An immersed boundary method to conjugate heat transfer problems in complex geometries. Application to an automotive antenna 

    Favre, F.; Antepara Zambrano, Óscar; Oliet Casasayas, Carles; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David (2019-02-05)
    Article
    Restricted access - publisher's policy
    Considering that the most common reason for electronic component failure is the excessive temperature level, an efficient thermal management design can prolong the operating life of the equipment, while also increasing its ...
  • A novel active gate driver for improving SiC MOSFET switching trajectory 

    Paredes Camacho, Alejandro; Sala Caselles, Vicenç; Ghorbani, Hamidreza; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2017-11-01)
    Article
    Open Access
    The trend in power electronic applications is to reach higher power density and higher efficiency. Currently, the wide band-gap devices such as silicon carbide MOSFET (SiC MOSFET) are of great interest because they can ...
  • Bajo digital: diseño y contrucción de un circuito electrónico que emule digitalmente un bajo 

    Fandos Jahrsetz, Alexander (Universitat Politècnica de Catalunya, 2013-01-08)
    Bachelor thesis
    Open Access
    El projecte present consisteix en el disseny i implementació d'un circuit electrònic que sigui capaç d'emular un baix elèctric sintetitzant el so del mateix. A més haurà de ser capaç d'afegir efectes sonors al so sintetitzat. ...
  • Caracterización de electrodos textiles en sensores integrados en ropa deportiva 

    Ortuño López, Aurora de la Concepción (Universitat Politècnica de Catalunya, 2018-01)
    Bachelor thesis
    Open Access
    The purpose of this project is to use electrodes with textile technology to measure an electrocardiogram (ECG) signal during physical activity. During intense exercise, changes in the heart rate (it is increased) and ...
  • Characterization of radio propagation channel in industrial systems 

    Cuesta Muñoz, Jesús (Universitat Politècnica de Catalunya, 2014-09-12)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Universität Freiburg im Breisgau
    [ANGLÈS] Wireless sensing is increasingly demanded, especially in harsh industrial environments. Within the presented work a measurement prototype to check the feasibility of wireless sensing in harsh industrial environments ...
  • CMOS BEOL-embedded z-axis accelerometer 

    Michalik, Piotr Jozef; Sánchez Chiva, José María; Fernández Martínez, Daniel; Madrenas Boadas, Jordi (Institution of Electrical Engineers, 2015-05-28)
    Article
    Open Access
    A first reported complementary metal-oxide semiconductor (CMOS)-integrated acceleration sensor obtained through isotropic inter-metal dielectric (IMD) etching of a back-end-of-line (BEOL) integrated circuit interconnection ...
  • Components electrònics 

    Amat Girbau, Josep (Asociación de Técnicos de Informática, 1980)
    Article
    Open Access
  • Comunicació Joystick amb emissora RC 

    Flores Menacho, Roberto (Universitat Politècnica de Catalunya, 2017-06-22)
    Bachelor thesis
    Restricted access - author's decision
  • Desarrollo de un prototipo para la monitorización de la temperatura periférica en la muñeca 

    Lozano Rubau, Óscar (Universitat Politècnica de Catalunya, 2017-06)
    Bachelor thesis
    Open Access
    During the last past years, with the fast advance of the technology, our interest in monitoring daily activities and well-being habits have increased. Nowadays, there are a large number of portable devices in the market ...
  • Desenvolupament del firmware d'un "Arbitrary Waveform Generator" per PXI express 

    Mir Boada, Jordi (Universitat Politècnica de Catalunya, 2012-01-11)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    English: the actual tendency of modular and virtual instrumentation with the necessity of a control, test and measurement equipment which enables the engineers and scientists to work unhindered, this makes the emergence ...
  • Desenvolupament d'un sistema de control i mesura de sensors integrats 

    Martínez Borràs, Juan Antonio (Universitat Politècnica de Catalunya, 2016-09-28)
    Master thesis (pre-Bologna period)
    Open Access
    The most currently used sensors for gas detection are those based in semiconductors. Apart from the features that make them suitable for the detection of gasses in the range of parts per million, their simplicity and ...
  • Design and test of a high-resolution acquisition system for marine seismology 

    Shariat Panahi, Shahram; Corrêa Alegría, Francisco; Manuel Lázaro, Antonio (2009-04-01)
    Article
    Open Access
  • Design, construction, programming and monitoring of a testbench for brushless motors 

    Mainou Gobierno, Eduard (Universitat Politècnica de Catalunya, 2018-06)
    Bachelor thesis
    Open Access
    This document explains how to develop successfully a testbench for brushless motors connected wireless to a PC to analyze the data. This dissertation involves all the development and implementation of all the parts of the ...
  • Design of a camera for the Image Stabilization System for the Solar Orbiter project 

    Roma Dollase, David (Universitat Politècnica de Catalunya, 2014-03)
    Master thesis
    Open Access
    [ANGLÈS] The Correlation Tracking Camera (CTC) is a high frame rate low resolution camera. It is used by the Image Stabilization System (ISS), which function is to detect and correct the jitter introduced by the spacecraft. ...
  • Design of a conductivity meter for fluids 

    Janer Serramià, Arnau (Universitat Politècnica de Catalunya, 2017-06)
    Bachelor thesis
    Open Access
    This work relates de process of analysis and creation of a conductimeter for fluids. The conductivity is a physical magnitude present on any material, this magnitude provides some revelant information about its composition. ...
  • Design of an ammeter for the test of printed circuits 

    Megías Teruel, Francesc (Universitat Politècnica de Catalunya, 2019-01)
    Bachelor thesis
    Open Access
    Design this ammeter from a current sensor. Developing around it a system capable of communicating easily with the user.