Enviaments recents

  • Fault detection and identification methodology under an incremental learning framework applied to industrial machinery 

    Cariño Corrales, Jesús Adolfo; Delgado Prieto, Miquel; Iglesias Martínez, José Antonio; Sanchís, Araceli; Zurita Millán, Daniel; Millan, Marta; Ortega Redondo, Juan Antonio; Romero Troncoso, René (Institute of Electrical and Electronics Engineers (IEEE), 2018-09-03)
    Article
    Accés obert
    An industrial machinery condition monitoring methodology based on ensemble novelty detection and evolving classification is proposed in this study. The methodology contributes to solve current challenges dealing with ...
  • Design of tri-Notched UWB antenna based on elliptical and circular ring resonators 

    Ur, Saeed; Cao, Qunsheng; Li, You; Gil Galí, Ignacio; Yi, Wan (2018-12-18)
    Article
    Accés restringit per política de l'editorial
    This article presents the design of a compact coplanar waveguide (CPW) fed Monopole Antenna for ultra-wideband (UWB) applications. The semi-circular shaped radiator is fed with a 50-O line that resonates within the UWB ...
  • Meander microwave bandpass filter on a flexible textile substrate 

    Moradi, Bahareh; Fernández García, Raúl; Gil Galí, Ignacio (2018-12-21)
    Article
    Accés obert
    This paper presents an alternative process to fabricate flexible bandpass filters by using an embroidered yarn conductor on an electronic textile. The novelty of the proposed miniaturized filter is its complete integration ...
  • A versatile CMOS transistor array IC for the statistical characterization of time-zero variability, RTN, BTI, and HCI 

    Diaz Fortuny, Javier; Martin Martínez, Javier; Rodríguez Martínez, Rosana; Castro López, Rafael; Roca Moreno, Elisenda; Aragonès Cervera, Xavier; Barajas Ojeda, Enrique; Mateo Peña, Diego; Fernández Fernández, Francisco V.; Nafría Maqueda, Montserrat (2018-01-01)
    Article
    Accés obert
    Statistical characterization of CMOS transistor variability phenomena in modern nanometer technologies is key for accurate end-of-life prediction. This paper presents a novel CMOS transistor array chip to statistically ...
  • Study and comparison of discontinuous modulation for modular multilevel converters in motor drive applications 

    Picas, Ricard; Zaragoza Bertomeu, Jordi; Pou, Josep; Ceballos Recio, Salvador; Konstantinou, Georgios; Capellá Frau, Gabriel José (Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
    Article
    Accés obert
    Discontinuous modulation applied to modular multilevel converters is an effective method for reducing the capacitor voltage ripples. In this paper, the discontinuous modulation is adapted and used in a motor drive application. ...
  • Defect states assisted charge conduction in Au/MoO3¿x/n-Si Schottky barrier diode 

    Mahato, Somnath; Voz Sánchez, Cristóbal; Biswas, Debaleen; Puigdollers i González, Joaquim; Bhunia, Satyaban (Institute of Physics (IOP), 2018-12-07)
    Article
    Accés restringit per política de l'editorial
    Role of defect states of thermally evaporated molybdenum trioxide (MoO3-x) on electrical conductivity was investigated via low temperature current–voltage and capacitance–voltage measurements. To clarify the charge transport ...
  • Computationally efficient design and optimization approach of PMa-SynRM in frequent operating torque-speed range 

    López Torres, Carlos; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Lux, Gerhard; Romeral Martínez, José Luis (2018-04-30)
    Article
    Accés restringit per política de l'editorial
    This paper proposes a design process of permanent magnet assisted synchronous reluctance motors (PMa-SynRM) intended for vehicular propulsion. This approach takes into account range optimization and a multiphysics evaluation ...
  • Parameter identification of DC-DC converters under steady-state and transient conditions based on white-box models 

    Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel; Bogarra Rodríguez, Santiago; García Espinosa, Antonio (2018-12-05)
    Article
    Accés obert
    This paper proposes a white-box approach for identifying the parameters of DC-DC buck and boost switch mode power converters. It is based on discretizing the differential equations that describe the dynamic behavior of the ...
  • Receding-horizon model predictive control for a three-phase VSI with an LCL filter 

    Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Rey, Juan M (Institute of Electrical and Electronics Engineers (IEEE), 2018-11-20)
    Article
    Accés obert
    This paper presents a Continuous Control Set Model Predictive Control with receding horizon for a threephase voltage source inverter with LCL filter, using a reduced model of the converter. The main advantages of using ...
  • On the observation of electron-hole liquid luminescence under low excitation in Al2O3-passivated c-Si wafers 

    Roige, A; Fernandez Tejero, Javier; Osso, J.O; Goni, A.R; Martín García, Isidro; Voz Sánchez, Cristóbal; Alcubilla González, Ramón; Vega, L. F (2014-11-01)
    Article
    Accés restringit per política de l'editorial
    We report on low-temperature photoluminescence (PL) from aluminum oxide (Al2O3)-passivated c-Si wafers, which surprisingly exhibits clear signature of the formation of the so-called electron-hole liquid (EHL), despite the ...
  • P-type c-Si solar cells based on rear side laser processing of Al 2O 3/SiC x stacks 

    Ortega Villasclaras, Pablo Rafael; Martín García, Isidro; López Rodríguez, Gema; Colina Brito, Mónica Alejandra; Orpella García, Alberto; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (2012-11)
    Article
    Accés restringit per política de l'editorial
    In this work, we further investigate a new strategy to passivate and contact the rear side of p-type c-Si solar cells based on the laser processing of aluminum oxide (Al2O3)/amorphous silicon carbide (SiCx) stacks before ...
  • Simultaneous gettering and emitter formation in multicrystalline-Si wafers by annealing phosphorus doped amorphous silicon compounds 

    Ferré, R.; Martín García, Isidro; Trassl, Roland; Alcubilla González, Ramón; Brendel, Rolf (2011-01-10)
    Article
    Accés restringit per política de l'editorial
    We demonstrate gettering of metal impurities in p-type multicrystalline silicon (mc-Si) wafers by annealing wafers that are surface passivated by double layers of amorphous silicon-based compounds acting as gettering sites. ...

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