Now showing items 1-15 of 15

    • Effect of driver to gate coupling circuits on EMI produced by SiC MOSFETS 

      Balcells Sendra, Josep; Bogónez Franco, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Open Access
      This work presents a study of the influence of different gate driver circuits on the switching behavior and EMI produced by SiC MOSFET devices used in a boost converter. The paper includes several simulations of ...
    • Hard-less common mode active EMI filter 

      Pérez Robles, Daniel; González Díez, David; Mon González, Juan; Balcells Sendra, Josep; Gil Galí, Ignacio; Gago Barrio, Javier; Bogónez Franco, Francisco (2012)
      Conference report
      Open Access
      Active EMI filters appear as an alternative to classical EMI filters based on passive components. Active EMI filters can provide more compact, cheaper and lighter solutions than passive approach. In this paper we present ...
    • Hybrid modulator for power converters in parallel topology 

      Mon González, Juan; González Díez, David; Balcells Sendra, Josep; Gago Barrio, Javier; Bogónez Franco, Francisco (2012)
      Conference lecture
      Open Access
      This paper presents a new mixed modulator that combines interleaving and spread-spectrum techniques in order to achieve the lowest level of conducted EMI generation. This modulator is addressed to power converters in ...
    • Immunity of power line communications (PLC) in disturbed networks 

      Vallbe, Bernat; Balcells Sendra, Josep; Bogónez Franco, Francisco; Mata Diaz, Jorge; Gago Barrio, Javier (2011)
      Conference report
      Open Access
      This paper presents an analysis of electromagnetic immunity of energy metering devices, using broadband power line communications (PLC) in low voltage (LV) supply networks with high levels of disturbance. Several tests ...
    • Implantable bioimpedance monitor using ZigBee 

      Bogónez Franco, Francisco; Bragós Bardia, Ramon; Bayés-Genís, Antoni; Rosell Ferrer, Francisco Javier (2009)
      Conference report
      Open Access
      In this paper, a novel implantable bioimpedance monitor using a free ZigBee protocol for the transmission of the measured data is described. The application field is the tissue and organ monitoring through electrical ...
    • Interleaving and switching pattern modulation to conducted EMI reduction 

      Mon González, Juan; González Díez, David; Gago Barrio, Javier; Balcells Sendra, Josep; Bogónez Franco, Francisco (2012)
      Conference report
      Open Access
      This paper explores new techniques to reduce the conducted EMI generated by switched power converters operating in multiconverter arrangement. These techniques are based in the combined application of interleaving and ...
    • Measurement errors in multifrequency bioelectrical impedance analyzers with and without impedance electrode mismatch. 

      Bogónez Franco, Francisco; Nescolarde Selva, Lexa Digna; Bragós Bardia, Ramon; Rosell Ferrer, Francisco Javier; Yandiola, Iñigo (2009-06-03)
      Article
      Restricted access - author's decision
      The purpose of this study is to compare measurement errors in two commercially available multi-frequency bioimpedance analyzers, a Xitron 4000B and an ImpediMed SFB7, including electrode impedance mismatch. The comparison ...
    • Modulation technique to reduce EMI in power multiconverters 

      Mon González, Juan; Gago Barrio, Javier; González Díez, David; Balcells Sendra, Josep; Fernández García, Raúl; Bogónez Franco, Francisco; Gil Galí, Ignacio (2009-04-05)
      Article
      Open Access
      A new technique to reduce EMI in modular power multiconverters is described. The technique is based on a combination of switching frequency modulation and a variable delay between communication signals of the single ...
    • Online monitoring of myocardial bioprosthesis for cardiac repair 

      Prat Vidal, Cristina; Gálvez Montón, Carolina; Sánchez Terrones, Benjamín; Bragós Bardia, Ramon; Bogónez Franco, Francisco; Puig Sanvicens, Verónica (2014-07-01)
      Article
      Restricted access - publisher's policy
      Background/objectives The aim of this study was to develop a myocardial bioprosthesis for cardiac repair with an integrated online monitoring system. Myocardial infarction (MI) causes irreversible myocyte loss and scar ...
    • Performance of an implantable impedance spectroscopy monitor using ZigBee 

      Bogónez Franco, Francisco; Bayés-Genís, Antoni; Rosell Ferrer, Francisco Javier; Bragós Bardia, Ramon (2010-04-04)
      Conference lecture
      Restricted access - publisher's policy
      This paper presents the characterization measurements of an implantable bioimpedance monitor with ZigBee. Such measurements are done over RC networks,performing short and long-term measurements, with and without mismatch ...
    • Podem detectar a l'instant el rebuig d'un ronyó trasplantat? 

      Bogónez Franco, Francisco (2008-02)
      Audiovisual
      Open Access
      Fins ara, per saber si un ronyó trasplantat era acceptat havíem d'esperar per veure com responia el cos del receptor. A la Politècnica fem que sigui una alerta la que detecti a l'instant si el ronyó és rebutjat.
    • Reference values of the bioimpedance vector components in a Caribbean population 

      Nescolarde Selva, Lexa Digna; Núñez, Ana; Bogónez Franco, Francisco; Lara, Alcibiades; Vaillant, Guillermo; Morales, Ricardo; Rosell Ferrer, Francisco Javier (Elsevier, 2013-06-06)
      Article
      Open Access
      Background & aims Application of bioelectrical impedance vector analysis (BIVA) requires comparison of an impedance vector to reference intervals derived from healthy subjects. The aim of this work is to obtain reference ...
    • Relationship between bioimpedance vector displacement and renal function after a marathon in non-elite runners 

      Nescolarde Selva, Lexa Digna; Roca, Emma; Bogónez Franco, Francisco; Hernández Hermoso, José A; Bayés Genis, Antoni; Ara, Jordi (2020-05-06)
      Article
      Open Access
    • SVC model for voltage control of a microgrid 

      Bogónez Franco, Francisco; Balcells Sendra, Josep; Junyent, Oriol; Jordà, Josep (2011)
      Conference report
      Restricted access - publisher's policy
      Low power renewable sources, connected to low voltage micro-grids, are becoming more and more common. Since there is a high degree of uncertainty on the availability of such sources, this causes problems of stability and ...
    • Towards on line monitoring the evolution of the myocardium infarction scar with an implantable electrical impedance spectrum monitoring system. 

      Bragós Bardia, Ramon; Sánchez Terrones, Benjamín; Guasch, Assumpció; Bogónez Franco, Francisco; Gálvez-Montón, C.; Puig, V.; Prat-Vidal, C.; Semino, C.E.; Bayés-Genís, Antoni (IEEE, 2012)
      Conference report
      Open Access
      The human heart tissue has a limited capacity for regeneration. Tissue and cellular therapies based on the use of stem cells may be useful alternatives to limit the size of myocardial infarction. In this paper, the ...