Ara es mostren els items 1-20 de 30

    • A model to explain the TSDC spectrum of XLPE insulation in mid voltage cables based on a virtual electrode 

      Belana Punseti, Juan; Diego Vives, José Antonio; Orrit Prat, Jordi; Mudarra López, Miguel (2007)
      Comunicació de congrés
      Accés obert
      The analysis by TSDC of a large variety of cables subjected to long annealing times, has resulted in spectra that sometimes show an oscillation of the current peak observed at 99°C. This process has been observed in some ...
    • A three-phase frequency-adaptive phase-locked loop for independent single-phase operation 

      Mirhosseini, Mitra; Pou Félix, Josep; Agelidis, Vassilios; Robles Sestafe, Eider; Ceballos Recio, Salvador (2014-12-01)
      Article
      Accés restringit per política de l'editorial
      This letter proposes a phase-locked loop (PLL) able to operate as an independent single-phase PLL in the context of three-phase systems. Its key advantage is that the extracted information allows the independent control ...
    • About the oscillatory possibilities of the dynamical systems 

      Herrero Simon, Ramon; Pi Vila, Francesc; Rius, J; Orriols Tubella, Gaspar (2009-11)
      Report de recerca
      Accés obert
      This paper may be ultimately described as an attempt to make feasible the evolutionary emergence of novelty in a supposedly deterministic world whose behavior is associated with that of the mathematical dynamical systems. ...
    • Analysis of the forces driving the oscillations in 3D fluidic oscillators 

      Baghaei, Masoud; Bergadà Granyó, Josep Maria (2019-12-11)
      Article
      Accés obert
      One of the main advantages of fluidic oscillators is that they do not have moving parts, which brings high reliability whenever being used in real applications. To use these devices in real applications, it is necessary ...
    • Application of subsynchronous damping controller to static var compensator 

      Ghorbani, Hamidreza; Moghadam, Davoud Esmaeil; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2015)
      Text en actes de congrés
      Accés obert
      This paper proposes a new auxiliary Subsynchronous Damping Controller (SSDC) for the Static Var Compensator (SVC) to damp out subsynchronous oscillations in power system containing series compensated transmission lines. ...
    • Combined sensitivity of JUNO and KM3NeT/ORCA to the neutrino mass ordering 

      Aiello, Sebastiano; Albert, Arthur; Alshamsi, Mohammed; Alves Garre, Sergio; Aly, Zineb; Ambrosone, Antonio; Ameli, Fabrizio; André, Michel; Androulakis, Giorgos; Anghinolfi, Marco; Anguita, M.; Ardid Ramírez, Miguel; Ardid Ramírez, Joan Salvador; Aublin, J.; Bagatelas, Christos (Springer, 2022-03-09)
      Article
      Accés obert
      This article presents the potential of a combined analysis of the JUNO and KM3NeT/ORCA experiments to determine the neutrino mass ordering. This combination is particularly interesting as it significantly boosts the potential ...
    • Detecció high frecuency oscillation en diferents freqüències de mostreig 

      Condominas i Casanovas, Elena (Universitat Politècnica de Catalunya, 2020-07-08)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat
    • Dynamics of globally delay-coupled neurons displaying subthreshold oscillations 

      Masoller Alonso, Cristina; Torrent Serra, Maria del Carmen; García Ojalvo, Jordi (2009-08)
      Article
      Accés restringit per política de l'editorial
      We study an ensemble of neurons that are coupled through their time-delayed collective mean field. The individual neuron is modelled using a Hodgkin–Huxley-type conductance model with parameters chosen such that the uncoupled ...
    • Energy efficiency of pulsed actuations on linear resonators 

      Domínguez Pumar, Manuel (2009-12)
      Article
      Accés obert
      The objective of this paper is to show that under some circumstances, the sign of a sampled sinusoid sequences, briefly, is optimal to provide maximum energy transfer to linear resonators in the context of discrete-time ...
    • Enhanced performance of SVC via using rotor speed deviation signal (RSDS) 

      Ghorbani, Hamidreza; Monadi, Mehdi; Luna Alloza, Álvaro; Candela García, José Ignacio; Rodríguez Cortés, Pedro (2015)
      Text en actes de congrés
      Accés obert
      Transient stability enhancement through using a Static Var Compensator (SVC) and Rotor Speed Deviation Signal (RSDS) of synchronous machine are thoroughly investigated in this paper. Speed deviation signal of generator as ...
    • Excitability transitions and wave dynamics under spatiotemporal structured noise 

      Alonso Muñoz, Sergio; Sagués Mestres, Francesc; Sancho Herrero, José María (2002-06-14)
      Article
      Accés obert
      We present an analytic and numerical study of the effects of external fluctuations in active media. Our analytical methodology transforms the initial stochastic partial differential equations into an effective set of ...
    • General relativistic pulsations of ultra-massive ZZ Ceti stars 

      Córsico, Alejandro H.; Boston, Reece; Althaus, Leandro G.; Kilic, Mukremin; Kepler, Souza Oliveira; Camisassa, María Eugenia; Torres Gil, Santiago (Oxford University Press, 2023-10-01)
      Article
      Accés obert
      Ultra-massive white dwarf stars are currently being discovered at a considerable rate, thanks to surveys such as the Gaia space mission. These dense and compact stellar remnants likely play a major role in Type Ia supernova ...
    • Generalized equipartition theorem and confining walls 

      Rey Oriol, Rosendo (2015-06)
      Article
      Accés obert
      It is shown that the generalized equipartition theorem as applied to the momentum may fail, even though the usual conditions of validity are met. This failure is linked to the nature of the confining walls, with ideal walls ...
    • Highly eccentric hip-hop solutions of the 2N-body problem 

      Barrabés Vera, Esther; Cors Iglesias, Josep Maria; Pinyol Pérez, Conxita; Soler Villanueva, Jaume (2010-02)
      Article
      Accés obert
      We show the existence of families of hip-hop solutions in the equal-mass 2N-body problem which are close to highly eccentric planar elliptic homographic motions of 2N bodies plus small perpendicular non-harmonic oscillations. ...
    • Influencia de las diferentes alturas de tacón en la marcha. Estudio goniométrico 

      Villarroya, A.; Coloma Villacampa, S. (Sociedad Ibérica de Biomecánica y Biomateriales, 1994)
      Article
      Accés obert
      En este estudio se ha pretendido analizar las variaciones goniométricas en las articulaciones de la cadera, rodilla y tobillo, caminando descalzo y con tacón de 2 y 4 centímetros de altura, en dos grupos de mujeres ...
    • Mutual regulation causes co-entrainment between a synthetic oscillator and the bacterial cell cycle 

      Dies, Marta; Galera Laporta, Leticia; García Ojalvo, Jordi (2016-01-01)
      Article
      Accés obert
      The correct functioning of cells requires the orchestration of multiple cellular processes, many of which are inherently dynamical. The conditions under which these dynamical processes entrain each other remain unclear. ...
    • Noise-induced Brownian motion of spiral waves 

      Alonso Muñoz, Sergio; Sagués Mestres, Francesc (2001-03-20)
      Article
      Accés obert
      We study the erratic displacement of spiral waves forced to move in a medium with random spatiotemporal excitability. Analytical work and numerical simulations are performed in relation to a kinematic scheme, assumed to ...
    • Nonlinear complexification of periodic orbits in the generalized Landau scenario 

      Herrero Simon, Ramon; Farjas Silva, Jordi; Pi Vila, Francesc; Orriols Tubella, Gaspar (2022-02)
      Article
      Accés obert
      We have found a way for penetrating the space of the dynamical systems towards systems of arbitrary dimension exhibiting the nonlinear mixing of a large number of oscillation modes through which extraordinarily complex ...
    • Nueva plataforma dinamométrica para el análisis y valoración del rendimiento deportivo 

      Sánchez Lacuesta, J.; Comín, M.; Prat, J.; Soler, C.; Dejoz, R.; Peris, J. L.; Hoyos, J.V.; Vera, P. (Sociedad Ibérica de Biomecánica y Biomateriales, 1993)
      Article
      Accés obert
      Un nuevo modelo de plataforma dinamométrica ha sido desarrollado por el Instituto de Biomecánica de Valencia (IBV) y se han fabricado sus primeros prototipos. Permite la medida de la fuerza de reaccipón tridimensional, en ...
    • Oscilaciones 

      Lupón Bas, Núria (2008-12-01)
      Audiovisual
      Accés obert