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Dormido Canto, Sebastián

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0000-0001-7652-5338
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Dormido Canto
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Mostrando 1 - 10 de 27
  • Publicación
    UN PROBLEMA BENCHMARK DE CONTROL NO LINEAL: ESTABILIZACIÓN Y SEGUIMIENTO DE TRAYECTORIA DE UN AERODESLIZADOR DE RADIO CONTROL
    (Comité Español de Automática, 2006-09-06) Aranda Almansa, Joaquín; Chaos García, Dictino; Dormido Canto, Sebastián; Muñoz Mansilla, María del Rocío; Díaz Martínez, José Manuel
  • Publicación
    Disruption prediction with artificial intelligence techniques in tokamak plasmas
    (Springer Nature, 2022-06-06) Vega, J.; Murari, A.; Rattá, Giuseppe A.; Gelfusa, Michela; Contributors, JET.; Dormido Canto, Sebastián
    In nuclear fusion reactors, plasmas are heated to very high temperatures of more than 100 million kelvin and, in so-called tokamaks, they are confined by magnetic fields in the shape of a torus. Light nuclei, such as deuterium and tritium, undergo a fusion reaction that releases energy, making fusion a promising option for a sustainable and clean energy source. Tokamak plasmas, however, are prone to disruptions as a result of a sudden collapse of the system terminating the fusion reactions. As disruptions lead to an abrupt loss of confinement, they can cause irreversible damage to present-day fusion devices and are expected to have a more devastating effect in future devices. Disruptions expected in the next-generation tokamak, ITER, for example, could cause electromagnetic forces larger than the weight of an Airbus A380. Furthermore, the thermal loads in such an event could exceed the melting threshold of the most resistant state-of-the-art materials by more than an order of magnitude. To prevent disruptions or at least mitigate their detrimental effects, empirical models obtained with artificial intelligence methods, of which an overview is given here, are commonly employed to predict their occurrence—and ideally give enough time to introduce counteracting measures.
  • Publicación
    A new control laboratory using parallel programming
    (2007-11-28) Dormido Bencomo, Sebastián; Dormido Canto, Sebastián; Sánchez Moreno, José
  • Publicación
    A novel feature engineering approach for high-frequency financial data
    (Elsevier, 2023-10) Mantilla, Pablo; Dormido Canto, Sebastián
    Feature engineering for high-frequency financial data based on constructing dynamic data subsets, defined by time intervals in which high-frequency trends occur, is proposed. These intervals are obtained through time series segmentation. This methodology allows us to extract and analyze variables by intraday trends as well as to feed artificial intelligence models to forecast response variables in future trends. Furthermore, to show how to use this feature engineering, this methodology is applied to estimate high-frequency volatility, duration and direction linked to future intraday trends, developing multiclass classification models based on the machine learning method extreme gradient boosting. Experimentation was conducted using high-frequency financial data from the Brazil Stock Exchange, corresponding to 206 trading days related to 20 listed assets from this financial market.
  • Publicación
    Benchmark Control Problems for a Non-Linear Underactuated Hovercraft: A Simulation Laboratory for Control Testing
    (INTERNATIONAL FEDERATION OF AUTOMATIC CONTROL, 2006-01-01) Aranda Almansa, Joaquín; Chaos García, Dictino; Dormido Canto, Sebastián; Muñoz Mansilla, María del Rocío; Díaz Martínez, José Manuel
    Los aerodeslizadores son un tipo de vehículos marinos que presentan una serie de cualidades atractivas como desafío de control .Su dinámica es compleja y presentan características fuertemente no lineales. Para este tipo de vehículos se analizan dos problemas de control de movimiento: estabilización en un punto y seguimiento de trayectoria. En este trabajo se presenta un problema bechmarck para un aerodeslizador de radio control, indicando las especificaciones para seguimiento de trayectorias y estabilización en un punto. Se ha desarrollado un entorno interactivo de simulación para desarrollo y verificación de diseños. Además se ha desarrollado un controlador para resolver los problemas planteados y se ha verificado su funcionalidad usando la plataforma de simulación.
  • Publicación
    Development of a Web-Based Control Laboratory for Automation Technicians: The Three-Tank System
    (IEEE TRANSACTIONS ON EDUCATION, 2007-01-01) Vargas Oyarzun, Héctor; Farias Castro, Gonzalo Alberto; Esquembre Martínez, Francisco; Dormido Bencomo, Sebastián; Dormido Canto, Raquel; Duro Carralero, Natividad; Sánchez Moreno, José; Dormido Canto, Sebastián
  • Publicación
    The Three-Tank System: A Remote and Virtual Control Laboratory using Easy Java Simulations
    (2005-01-01) Vargas Oyarzun, Héctor; Dormido Bencomo, Sebastián; Duro Carralero, Natividad; Dormido Canto, Raquel; Sánchez Moreno, José; Pastor Vargas, Rafael; Dormido Canto, Sebastián
  • Publicación
    An event-based adaptation of the relay feedback experiment for frequency response identification of stable processes
    (Elsevier, 2023-04-13) Sánchez Moreno, José; Torre Cubillo, Luis de la; Chacón Sombría, Jesús; Dormido Canto, Sebastián; Elsevier; https://orcid.org/0000-0003-0898-3462
    An event-based modification of the classical relay feedback experiment without the inclusion of additional elements (integrator, time delay, . . . ) for identification of the spectrum of stable processes between zero and the phase cross-over frequency is presented. By inserting an event-based sampler in the control loop, the natural behaviour of a classical relay is simulated and the system is forced to work in two modes. The event-based sampler activates the first mode by sending control actions to the process every time the error signal crosses zero; this mode is to discover the approximated value of the cross-over frequency ω180◦ . During the second mode, the event-based sampler sends samples to the process simulating that the error signal crosses zero at ω180◦ /N where N is the number of points to identify in the range 0 ≤ ω ≤ ω180◦ . One advantage of this procedure is that the logic used in an already existing relay feedback experiment to fit a transfer function model or tune a controller could be maintained just replacing the relay block by the event-based sampler block presented in the paper. Simulations and experiments with different processes and in presence of noise demonstrate the effectivity of the procedure.
  • Publicación
    Easy Java Simulations: an Open-Source Tool to Develop Interactive Virtual Laboratories Using MATLAB/Simulink
    (TEMPUS Publications, The International Journal of Engineering Education: Especial issue on Matlab/Simulink in engineering education, 21, 5, 798-813, 2005, 2005-01-01) Esquembre Martínez, Francisco; Dormido Bencomo, Sebastián; Sánchez Moreno, José; Martín Villalba, Carla; Dormido Canto, Sebastián; Dormido Canto, Raquel; Pastor Vargas, Rafael; Urquía Moraleda, Alfonso
  • Publicación
    WEB-BASED LEARNING RESOURCES FOR VOCATIONAL TRAINING FOR AUTOMATION TECHNICIANS
    (IFAC 2006, 2006-01-01) Vargas Oyarzun, Héctor; Dormido Bencomo, Sebastián; Farias Castro, Gonzalo Alberto; Esquembre Martínez, Francisco; Sánchez Moreno, José; Duro Carralero, Natividad; Dormido Canto, Raquel; Dormido Canto, Sebastián