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Ara es mostren els items 114-120 de 120

    • Variable structure strategy to avoid torque control saturation of a wind turbine in the presence of faults 

      Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Rodellar Benedé, José (2016)
      Text en actes de congrés
      Accés obert
      Every physical actuator is subject to saturation. It has been well recognized that, when the actuator saturates, the performance of the closed-loop system (designed without considering actuator saturation) may seriously ...

    • Velocity-surface stability of a moving charged particle in a controlled electromagnetic field 

      Acho Zuppa, Leonardo (2016-07-01)
      Article
      Accés obert
      Given the equation motion of a moving charged particle in a controlled electromagnetic field, this paper proves that its velocity-trajectory motion converges to an specified velocity-surface in the 3-D Euclidean dimensional ...

    • Vibration control of hysteretic base-isolated structures: an LMI approach 

      Pozo Montero, Francesc; Pujol Vázquez, Gisela; Acho Zuppa, Leonardo (2016)
      Article
      Accés restringit per política de l'editorial
      Seismic isolation systems are essentially designed to preserve structural safety, prevent occupants injury and properties damage. An active saturated LMI-based control design is proposed to attenuate seismic disturbances ...

    • Wind turbine fault detection and classification by means of image texture analysis 

      Ruiz Ordóñez, Magda; Mujica Delgado, Luis Eduardo; Alférez Baquero, Edwin Santiago; Acho Zuppa, Leonardo; Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Rodellar Benedé, José; Pozo Montero, Francesc (2018-07)
      Article
      Accés obert
      The future of the wind energy industry passes through the use of larger and more flexible wind turbines in remote locations, which are increasingly offshore to benefit stronger and more uniform wind conditions. The cost ...

    • Wind turbine fault detection through principal component analysis and multivariate statistical inference 

      Pozo Montero, Francesc; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo (2016)
      Comunicació de congrés
      Accés obert
      This work addresses the problem of online fault detection of an advanced wind turbine benchmark under actuators (pitch and torque) and sensors (pitch angle measurement) faults of different type: fixed value, gain factor, ...

    • Wind turbine synchronous reset pitch control 

      Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Cifre Font, Ignasi; Garcia Manzanera, Àlex; Pozo Montero, Francesc; Rodellar Benedé, José (2017-06-01)
      Article
      Accés obert
      Reset controllers are commonly used to smooth the transient response of systems. We use this technique to improve a standard baseline pitch controller for offshore wind turbines (WTs). The introduction of this strategy ...

    • Wind turbines controllers design based on the super-twisting algorithm 

      Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Rodellar Benedé, José; Tutivén Gálvez, Christian (IEEE Press, 2016)
      Text en actes de congrés
      Accés obert
      The continuous increase in the size of wind turbines (WTs) has led to new challenges in the design of novel torque and pitch controllers. Today’s WT control design must fulfill numerous specifications to assure effective ...