Now showing items 21-40 of 293

  • Approach to the implementation of linear–assisted–based battery chargers 

    Martínez García, Herminio; García Vílchez, Encarna (2017)
    Article
    Open Access
    This article shows the proposal of a linear-assisted regulator or linear-&-switching hybrid regulator with a constant switching frequency. The control loop of the system is based on the current-Mode technique. The main ...
  • Approach to the modeling of LDO-assisted DC-DC voltage linear regulators 

    Sedaghati, Nasima; Martínez García, Herminio; Cosp Vilella, Jordi (Universidad de Málaga, 2017)
    Conference report
    Open Access
    This paper presents the design of a LDO-assisted DC-DC converters in Cadence Virtuoso based on a 350-nm CMOS technology. This kind of voltage regulators consists of a switching converter together with a classic or LDO (low ...
  • Approach to the modeling of LDO–assisted DC–DC voltage linear regulators 

    Sedaghati, Nasima; Martínez García, Herminio; Cosp Vilella, Jordi (Universidad de Málaga, 2017)
    Conference report
    Open Access
    This paper presents the design of a LDO-assisted DC-DC converters in Cadence Virtuoso based on a 350-nm CMOS technology. This kind of voltage regulators consists of a switching converter together with a classic or LDO (low ...
  • Approach to the modelling of capacitor-less linear-assisted DC-DC regulators as candidate topology for battery chargers 

    Martínez García, Herminio (2017)
    Conference lecture
    Open Access
    Two different alternatives have been widely used for decades to provide the necessary power supply energy to charge battery systems. These two alternatives are known largely: (1) The use of voltage series linear regulators ...
  • Aprendizaje cooperativo y 'entregables': El paradigma de la evaluación continua en la universidad 

    Martínez García, Herminio; Domingo Peña, Joan (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació (ICE), 2006)
    Conference lecture
    Open Access
    La presente ponencia presenta el método de evaluación llevado a cabo por los autores en la Escuela Universitaria de Ingeniería Técnica Industrial de Barcelona (EUETIB). En concreto, la asignatura que ha servido de plataforma ...
  • Aprendizaje cooperativo y Flipped Classroom 

    Domingo Peña, Joan; Durán Moyano, José L.; Martínez García, Herminio (2016)
    Part of book or chapter of book
    Open Access
  • Aprendizaje cooperativo y flipped classroom 

    Domingo Peña, Joan; Durán Moyano, José L.; Martínez García, Herminio (Editorial Neopatria, c.b., 2016)
    Part of book or chapter of book
    Open Access
  • Aspectos comparativos en las estrategias de control de convertidores DC/DC híbridos 

    Martínez García, Herminio; Conesa Roca, Alfons; Alarcón Cot, Eduardo José; Poveda López, Alberto (Universidad de Oviedo, 2006)
    Conference lecture
    Open Access
    Dentro de los convertidores DC/DC híbridos, formados por un regulador lineal en paralelo con un convertidor conmutado, existen diferentes estrategias de control que permiten fijar la frecuencia de conmutación en función ...
  • Audio equalizer features transimpedance Q-enhancement topology 

    Martínez García, Herminio; García, Encarna; Vidal López, Eva María (2008-03)
    Article
    Open Access
  • Autoevaluación no presencial de estudiantes mediante internet 

    Domingo, J; Piqué López, Robert; Martínez García, Herminio; Grau Saldes, Antoni; Gámiz Caro, Juan (EUPULPGC, 2005)
    Conference report
    Open Access
  • Automàtica i sostenibilitat 

    Grau Saldes, Antoni; Bolea Monte, Yolanda; Gámiz, Juan; Domingo Peña, Joan; Martínez García, Herminio (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2008-02-07)
    Article
    Open Access
    L’ambientalització curricular és la integració entre les matèries pròpies d'una titulació i la conscienciació pel medi natural i les persones que l'habiten. Això suposa un canvi global en el plantejament, els continguts ...
  • Banco de pruebas para panel fotovoltaico 

    Casellas Beneyto, Francisco; Piqué López, Robert; Velasco Quesada, Guillermo; Martínez García, Herminio (Universidad Miguel Hernández de Elche, 2016)
    Conference report
    Open Access
    Las condiciones operativas reales de un panel fotovoltaico (PV: PhotoVoltaic) en relación a las especificadas por el fabricante, la degradación de sus parámetros con el paso del tiempo, las condiciones climáticas y la ...
  • Bandwidth-Enhancement gm-C Filter with independent ¿o and Q Tuning Mechanisms in Both Topology and Control Loops 

    Martínez García, Herminio; Vidal López, Eva María; Cantó, Andrea; Poveda López, Alberto; Guinjoan Gispert, Francisco (2010)
    Conference report
    Open Access
    This paper deals with the proposal of a new topology for a gm-C continuous time filter which allows the adjustment and tuning of its characteristic parameters (ωO and Q) in an independent way (without cross-tuning), thereby ...
  • Bandwidth-enhancement g(m)-C filter with independent omega(O) and Q tuning mechanisms in both topology and control loops 

    Martínez García, Herminio; Vidal López, Eva María; Cantó, Andrea; Poveda López, Alberto; Guinjoan Gispert, Francisco (2010)
    Conference lecture
    Restricted access - publisher's policy
    This paper deals with the proposal of a new topology for a gm-C continuous time filter which allows the adjustment and tuning of its characteristic parameters (ωO and Q) in an independent way (without cross-tuning), thereby ...
  • Bandwidth-Enhancement gm-C Filter with Independent wo and Q Tuning Mechanisms in Both Topology and Control Loops 

    Martínez García, Herminio; Vidal López, Eva María; Poveda López, Alberto; Guinjoan Gispert, Francisco (2010-06)
    Conference report
    Open Access
    This paper deals with the proposal of a new topology for a gm-C continuous time filter which allows the adjustment and tuning of its characteristic parameters (ωO and Q) in an independent way (without cross-tuning), thereby ...
  • ‘Bang-Bang’ technique in supply modulation for linear wideband RF power amplifiers 

    Martínez García, Herminio; Turkson, Richard; Silva-Martínez, José (Universidad de Navarra, 2013)
    Conference lecture
    Open Access
    This paper deals with the design techniques of power efficient switching regulators intended for linear power amplifiers employing envelope tracking techniques in wideband wireless standards. The bottlenecks involve a ...
  • Buck-boost converter with fractional control for electric vehicles 

    Martínez González, Rubén; Bolea Monte, Yolanda; Grau Saldes, Antoni; Martínez García, Herminio (2010-03)
    Conference report
    Open Access
    In this paper, non-integer order control is applied to improve the performance of a buck-boost dc-dc power converter with ultracapacitor based on state feedback techniques. The approach is based on stabilization in the ...
  • Buck-boost converter with fractional control for electric vehicles 

    Bolea Monte, Yolanda; Grau Saldes, Antoni; Martínez García, Herminio (2010-04)
    Article
    Restricted access - publisher's policy
    In this paper, non-integer order control is applied to improve the performance of a buck-boost dc-dc power converter with ultracapacitor based on state feedback techniques. The approach is based on stabilization in the ...
  • Buck-boost DC-DC converter with fractional control 

    Martínez García, Herminio; Grau Saldes, Antoni; Bolea Monte, Yolanda; Martínez González, Rubén (2011)
    Conference lecture
    Open Access
    This paper deals with the fractional modeling of a DC-DC buck-boost converter, suitable in solar-powered electrical generation systems, and the design of a fractional controller for the aforementioned switching converter. ...
  • Buck–Boost DC-DC converter with fractional control 

    Martínez García, Herminio; Grau Saldes, Antoni; Bolea Monte, Yolanda; Martínez González, Rubén (2011)
    Conference report
    Open Access
    This paper deals with the fractional modeling of a DC-DC buck-boost converter, suitable in solar-powered electrical generation systems, and the design of a fractional controller for the aforementioned switching converter. ...