Recent Submissions

  • Predictive chiller operation: a data-driven loading and scheduling approach 

    Sala Cardoso, Enric; Delgado Prieto, Miquel; Kampouropoulos, Konstantinos; Romeral Martínez, José Luis (2019-01-01)
    Article
    Restricted access - publisher's policy
    The proper sequencing and optimal loading of chillers is one of the major avenues for energy efficiency improvement in existing heating, ventilating and air conditioning installations. The main enabler for the success of ...
  • Novel methods to measure the gravitational constant in space 

    Armano, M.; Audley, H.; Baird, J.; Binetruy, P.; Born, M.; Bortoluzzi, D.; Ramos Castro, Juan José (American Physical Society (APS), 2019-09-20)
    Article
    Open Access
    We present two novel methods, tested by LISA Pathfinder, to measure the gravitational constant G for the first time in space. Experiment 1 uses electrostatic suspension forces to measure a change in acceleration of a test ...
  • A compact Thévenin model for a rectenna and its application to an RF harvester with MPPT 

    Gasulla Forner, Manuel; Ripoll Vercellone, Edgar; Reverter Cubarsí, Ferran (Multidisciplinary Digital Publishing Institute (MDPI), 2019-04-06)
    Article
    Open Access
    This paper proposes a compact Thévenin model for a rectenna. This model is then applied to design a high-efficiency radio frequency harvester with a maximum power point tracker (MPPT). The rectenna under study consists of ...
  • Common mode electronic noise in differential circuits 

    Serrano Finetti, Roberto Ernesto; Casas Piedrafita, Óscar; Pallàs Areny, Ramon (2019-07-01)
    Article
    Restricted access - publisher's policy
    Differential circuits are assumed to reject common-mode noise yet no parameter is available to describethat rejection as the Common Mode Rejection Ratio (CMRR) applies only to deterministic signals, not torandom noise. We ...
  • Incremental novelty detection and fault identification scheme applied to a kinematic chain under non-stationary operation 

    Cariño Corrales, Jesús Adolfo; Delgado Prieto, Miquel; Zurita Millán, Daniel; Picot, Antoine; Ortega Redondo, Juan Antonio; Romero Troncoso, René (2019-01-01)
    Article
    Restricted access - publisher's policy
    Classical methods for monitoring electromechanical systems lack two critical functions for effective industrial application: management of unexpected events and the incorporation of new patterns into the knowledge database. ...
  • Conductive polyaniline-coated poly(p-phenylenetere phthamide) yarn-reinforced multiaxial composites for electromagnetic shielding 

    Hong, Jianhan; Hu, Chengye; Jin, Lihua; Han, Xiao; Yao, Juming; Gil Galí, Ignacio (2019-10-21)
    Article
    Open Access
    Poly(p-phenylenetere phthamide) fiber is a high-performance synthetic fiber whose reinforced composites are widely used for their advantages of high strength and lightweight. However, the further potential usage of ...
  • Diffusive representation and sliding mode control of charge trapping in Al2O3MOS capacitors 

    Bheesayagari, Chenna Reddy; Pons Nin, Joan; Atienza García, María Teresa; Domínguez Pumar, Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
    Article
    Open Access
    The objective of this paper is to introduce a modeling strategy to characterize the dynamics of the charge trapped in the dielectric of MOS capacitors, using Diffusive Representation. Experimental corroboration is presented ...
  • A self-branched lamination of hierarchical patronite nanoarchitectures on carbon fiber cloth as novel electrode for ionic liquid electrolyte-based high energy density supercapacitors 

    Manikandan, Ramu; Justin Raj, Chellan; Nagaraju, Goli; Puigdollers i González, Joaquim; Voz Sánchez, Cristóbal (2019-11-14)
    Article
    Restricted access - publisher's policy
    The developments of rationally designed binder-free metal chalcogenides decorated flexible electrodes are of paramount importance for advanced energy storage devices. Herein, binder-free patronite (VS4) flower-like ...
  • Micrometeoroid events in LISA Pathfinder 

    Thorpe, J. I.; Slutsky, J.; Baker, John G.; Ramos Castro, Juan José (Institute of Physics (IOP), 2019-09-20)
    Article
    Restricted access - publisher's policy
    The zodiacal dust complex, a population of dust and small particles that pervades the solar system, provides important insight into the formation and dynamics of planets, comets, asteroids, and other bodies. We present a ...
  • A photoplethysmography smartphone-based method for heart rate variability assessment: device model and breathing influences 

    Guede Fernández, Federico; Ferrer Mileo, Víctor; Mateu Mateus, Marc; Ramos Castro, Juan José; García González, Miguel Ángel; Fernández Chimeno, Mireya (2020-03)
    Article
    Restricted access - publisher's policy
    A measurement method of heart rate and heart rate variability (HRV) based on smartphone has been developed and validated. The method is based on photoplethysmography (PPG) acquired with the smartphone camera (SPPG). SPPG ...
  • Capacitance study of a polystyrene nanoparticle capacitor using impedance spectroscopy 

    Véliz Noboa, Bremnen Marino; Orpella García, Alberto; Bermejo Broto, Sandra (2019-07-19)
    Article
    Restricted access - publisher's policy
    In this study, a metal-insulator-metal capacitor structure is fabricated using polystyrene nanoparticles. Impedance spectroscopy is used to evaluate the performance of this capacitor in which we found a significant magnitude ...
  • Exploration of intercell wireless millimeter-wave communication in the landscape of intelligent metasurfaces 

    Tasolamprou, Anna; Pitilakis, Alexandros; Abadal Cavallé, Sergi; Tsilipakos, Odysseas; Timoneda, Xavier; Taghvaee, Hamidreza; Mirmoosa, Mohammad Sajjad; Liu, Fu; Liaskos, Christos; Tsioliaridou, Ageliki; Ioannidis, Sotiris; Kantartzis, Nikolaos V.; Manessis, Dionyssios; Cabellos Aparicio, Alberto; Alarcón Cot, Eduardo José (Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
    Article
    Open Access
    Software-defined metasurfaces are electromagnetically ultra-thin, artificial components thatcan provide engineered and externally controllable functionalities. The control over these functionalities isenabled by the ...

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