Exploració per tema "Electromagnetic interference"

Ara es mostren els items 21-40 de 81

    • Control of the back-end and positioning systems of the MERITXELL radiometer 

      Gómez López, José Javier (Universitat Politècnica de Catalunya, 2017-01)
      Treball Final de Grau
      Accés obert
      The aim of this project was the implementation of a software to position and obtain the desired measurements by a radiometer called MERITXELL. To satisfy the goals, this project was divided in three blocks (radiometer ...

    • Coupled interleaved multicellular parallel converters operated under switching frequency modulation 

      Mon González, Juan; González Díez, David; Gautier, Cirylle; Labrousse, Denis; Costa, François (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The Coupled Interleaved Multicellular Parallel (CIMP) topology is the subject of intense research because of its advantages in terms of systems integration, power density increase, low level of EMI emissions and dynamic ...

    • Desarrollo experimental para la evaluación de interferencias electromagnéticas en el laboratorio 

      Jiménez Pérez, Javier (Universitat Politècnica de Catalunya, 2014-03-13)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] The project tries to teach the basic aspects to bear in mind at the moment of designing hardware to minimize the problems related to electromagnetic interference. For it the knowledge acquired in Electromagnetic ...

    • Desenvolupament d'un sistema de control per assaigs de Compatibilitat Electromagnètica: Immunitat radiada i conduïda 

      Solé Lloveras, Jordi (Universitat Politècnica de Catalunya, 2020-05)
      Treball Final de Grau
      Accés obert
      Each electronic device with commercial purposes within the European Union shall declare the EMC normative compliance. One the requirements consists on assuring that the device continues operating as intended when electromagnetic ...

    • Design and validation of a platform for electromagnetic fault injection 

      Balasch, Josep; Arumi Delgado, Daniel; Manich Bou, Salvador (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      Security is acknowledged as one of the main challenges in the design and deployment of embedded circuits. Devices need to operate on-the-field safely and correctly, even when at physical reach of potential adversaries. One ...

    • Development of a reference signal source to verify electromagnetic emissions test benches 

      Tamborero Albà, Arnau (Universitat Politècnica de Catalunya, 2020-08)
      Treball Final de Grau
      Accés obert
      Electromagnetic Compatibility (EMC) laboratories must ensure the quality of the tests they perform. In this regard, periodic calibrations and internal verifications should be carried out systematically to provide evidence ...

    • Differential and common-mode filters based on metamaterial resonators 

      Gil Galí, Ignacio; Fernández García, Raúl (2013)
      Comunicació de congrés
      Accés obert
      Two different techniques based on metamaterials for mitigating both the differential and common-mode propagation in differential signaling are addressed. The proposed filters are implemented by means of complementary ...

    • Differential- and common-mode radiofrequency interference filters based on complementary split ring resonators: a conduction and radiation impact analysis 

      Gil Galí, Ignacio; Fernández García, Raúl (2015-01-22)
      Article
      Accés obert
      This paper aims to analyse the design techniques of differential transmission lines loaded with metamaterials. Specifically, complementary split-ring resonators were etched on the ground plane of a microstrip transmission ...

    • Discontinuous tests for EMC disturbances in the time domain 

      Rendón Vélez, Simón (Universitat Politècnica de Catalunya, 2021-09-16)
      Projecte Final de Màster Oficial
      Accés obert
      Measurement of electromagnetic interference has been performed in the past by EMI receivers operating in the frequency domain. Particularly, to measure discontinuous disturbances (clicks), an EMI receiver connected to a ...

    • Dynamic performance evaluation of full time domain EMI measurement systems 

      Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Fernández Chimeno, Mireya; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      This paper presents the evaluation of the performance of Full Time Domain Electromagnetic Interference measurement systems in terms of the noise figure, the linearity, the dynamic range, the voltage standing wave ratio and ...

    • Efectos de las interferencias electromagnéticas en la operativa de drones 

      Vallhonrat Blanco, Laura (Universitat Politècnica de Catalunya, 2017-09-14)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Hemav
      Companies that work with drones often encounter electromagnetic compatibility problems when flying near communication antennas. This document aims to characterize and measure the type of waves that cause interferences and ...

    • Electromagnetic interference prediction in an in-house power-line 

      Samso, Margarita; Ribó, Miquel; Sanchez, Albert-Miquel; Regué, J.R.; Aragon Homar, Marc; Silva Martínez, Fernando (IEEE, 2012)
      Text en actes de congrés
      Accés obert
      Abstract —In this paper a new methodology for the prediction of the conducted-emission propagation in an in-house power- line network is presented. This methodology is based on the modal S -parameter characterization ...

    • EMC testing of electricity meters using real-world and artificial current waveforms 

      Van Den Brom, H.E.; ten Have, Bas; Hartman, Tom; Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando; Leferink, F.; van Leeuwen, Ronald; Marais, Zander; Kok, Gertjan J. P.; van Veghel, Marijn G. A.; Kolevatov, Ilia; Malmbekk, Helge (2021)
      Article
      Accés obert
      In 2015, the energy measurement of some static electricity meters was found to be sensitive to specific conducted electromagnetic disturbances with very fast current changes caused by highly nonlinear loads, leading to ...

    • EMI model of an AC/AC power converter 

      Espina Masramon, Jorge; Balcells Sendra, Josep; Arias Pujol, Antoni; Ortega García, Carlos; Berbel Artal, Néstor (2010)
      Text en actes de congrés
      Accés obert
      This paper deals with the validation of an EMI model to predict electromagnetic interferences (EMI) produced by power converters. A direct AC to AC matrix converter (MC) has been selected as experimental setup for the ...

    • EMI performance comparison of two-level and three-level inverters in small dc-link capacitors based motor drives 

      Maheshwari, RamKrishan; Munk-Nielsen, Stig; Busquets Monge, Sergio (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The size of passive components in an adjustable speed drive can be reduced by using small dc-link capacitors. The EMI filter in the drive also consists of passive components. The size of the filter can be reduced by using ...

    • EsInterferencias y compatibilidad electromagnética en aeronaves 

      Gines Cosin, David (Universitat Politècnica de Catalunya, 2020-07-15)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Evaluation of Laplacian diaphragm electromyographic recording in a dynamic inspiratory maneuver 

      Estrada, Luis; Torres Cebrián, Abel; Garcia Casado, Javier; Prats Boluda, Gema; Ye-Lin, Y.; Jané Campos, Raimon (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The analysis of the electromyographic signal of the diaphragm muscle (EMGdi) can provide important information for evaluating the respiratory muscular function. The EMGdi can be recorded using surface Ag/AgCl disc electrodes ...

    • Factors influencing the successful validation of transient phenomenon modelling 

      Jauregui Tellería, Ricardo; Silva Martínez, Fernando; Orlandi, Antonio; Sasse, Hugh; Duffy, Alistair (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
      Text en actes de congrés
      Accés obert
      An increased requirement for validation of computational electromagnetic simulation and modelling through the publication of IEEE Standard 1597.1 brings to light some interesting issues surrounding the validation of ...

    • Fast and automated verification of multi-channel full time-domain EMI measurement systems 

      Azpúrua Auyanet, Marco Aurelio; Pous Solà, Marc; Silva Martínez, Fernando; Oliva Sánchez, José Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      Recently, concern has been raised with regard to the adequacy of current verification practices carried out in electromagnetic compatibility (EMC) testing laboratories. Bridging the gap in the scope and reliability of the ...

    • Full Time Domain EMI Measurement system applied to Railway emissions according to IEC 62236-3-1/EN 50121-3-1 standards 

      Pous Solà, Marc; Azpúrua Auyanet, Marco Aurelio; Oliva Sánchez, José Antonio; Aragon Homar, Marc; González García, Iván; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Comunicació de congrés
      Accés obert
      This paper studies the advantages of applying time-domain based instrumentation to conduct electromagnetic interference emissions from rolling-stock. In IEC 62236-3-1 or EN 50121-3-1 standards, it is mandatory to measure ...