Enviaments recents

  • TFET-Based power management circuit for RF energy harvesting 

    Nunes Cavalheiro, David Manuel; Moll Echeto, Francisco de Borja; Valtchev, Stanimir (2016-11-14)
    Article
    Accés obert
    This paper proposes a Tunnel FET (TFET)-based power management circuit (PMC) for ultra-low power RF energy harvesting applications. In contrast with conventional thermionic devices, the band-to-band tunneling mechanism of ...
  • Modeling and simulation of a MMC-based solid-state transformer 

    Adabi Firouzjaee, Mohammad Ebrahim; Martínez Velasco, Juan Antonio; Alepuz Menéndez, Salvador (2017-02-16)
    Article
    Accés restringit per política de l'editorial
    This paper presents a model of a bidirectional MV/LV solid-state transformer (SST) for distribution system studies. A modular multilevel converter configuration is used in the MV side of the STT. The LV side uses a three-phase ...
  • V2Ox-based hole-selective contacts for c-Si interdigitated back-contacted solar cells 

    Masmitjà Rusiñol, Gerard; Gerling Sarabia, Luis Guillermo; Ortega Villasclaras, Pablo Rafael; Puigdollers i González, Joaquim; Martín García, Isidro; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (Royal Society of Chemistry, 2017-05-21)
    Article
    Accés restringit per política de l'editorial
    Over the last few years, transition metal oxide layers have been proposed as selective contacts both for electrons and holes and successfully applied to silicon solar cells. However, better published results need the use ...
  • Enhanced geometries of macroporous silicon photonic crystals for optical gas sensing applications 

    Cardador Maza, David; Vega d'Aurelio, Davide; Segura García, Daniel; Todorov Trifonov, Trifon; Rodriguez, Albert (2017-07-01)
    Article
    Accés obert
    A macroporous silicon photonic crystal is designed and optimized theoretically for its use in gas sensing applications and IR optical filters. Light impinges perpendicularly onto the sample surface (vertical propagation) ...
  • Recombination processes in passivated boron-implanted black silicon emitters 

    von Gastrow, Guillaume; Ortega Villasclaras, Pablo Rafael; Alcubilla González, Ramón; Husein, Sebastian; Nietzold, Tara; Bertoni, Mariana; Savin, Hele (American Institute of Physics (AIP), 2017-05-14)
    Article
    Accés restringit per política de l'editorial
    In this paper, we study the recombination mechanisms in ion-implanted black silicon (bSi) emitters and discuss their advantages over diffused emitters. In the case of diffusion, the large bSi surface area increases emitter ...
  • The dynamics of cardiovascular biomarkers in non-elite marathon runners 

    Roca, Emma; Nescolarde Selva, Lexa Digna; Lupon, Josep; Barallat, Jaume; Januzzi, James L.; Liu, Peter; Pastor Ferrer, María Cruz; Bayés Genis, Antoni (2017-04-05)
    Article
    Accés obert
    The number of recreational/non-elite athletes participating in marathons is increasing, but data regarding impact of endurance exercise on cardiovascular health are conflicting. This study evaluated 79 recreational athletes ...
  • Determining the optimal features in freezing of gait detection through a single waist accelerometer in home environments 

    Samà Monsonís, Albert; Rodríguez Martín, Daniel Manuel; Pérez López, Carlos; Català Mallofré, Andreu; Alcaine, Sheila; Mestre, Berta; Prats, Anna; Crespo, M. Cruz; Bayés, Àngels (Elsevier, 2017-05-17)
    Article
    Accés restringit per política de l'editorial
    Freezing of gait (FoG) is one of the most disturbing and incapacitating symptoms in Parkinson's disease. It is defined as a sudden block in effective stepping, provoking anxiety, stress and falls. FoG is usually evaluated ...
  • A Parameterized multi-step Newton method for solving systems of nonlinear equations 

    Ahmad, Fayyaz; Tohidi, Emran; Carrasco, Juan A. (2016-03-01)
    Article
    Accés obert
    We construct a novel multi-step iterative method for solving systems of nonlinear equations by introducing a parameter. to generalize the multi-step Newton method while keeping its order of convergence and computational ...
  • Statistical fault detection in photovoltaic systems 

    Garoudja, Elyes; Harrou, Fouzi; Sun, Ying; Kara, Kamel; Chouder, Aissa; Silvestre Bergés, Santiago (2017-07-01)
    Article
    Accés restringit per política de l'editorial
    Faults in photovoltaic (PV) systems, which can result in energy loss, system shutdown or even serious safety breaches, are often difficult to avoid. Fault detection in such systems is imperative to improve their reliability, ...
  • A waist-worn inertial measurement unit for Parkinson’s disease long-term monitoring 

    Rodríguez Martín, Daniel Manuel; Pérez López, Carlos; Samà Monsonís, Albert; Català Mallofré, Andreu; Moreno Aróstegui, Juan Manuel; Cabestany Moncusí, Joan; Mestre, Berta; Alcaine, Sheila; Prats, Anna; Cruz Crespo, Mari; Bayés, Àngels (2017-04-11)
    Article
    Accés obert
    Inertial measurement units (IMUs) are devices used, among other fields, in health applications, since they are light, small and effective. More concretely, IMUs have demonstrated to accurately monitor motor symptoms of ...

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