Ara es mostren els items 1-17 de 17

  • Acceleration-based fault-tolerant control design of offshore fixed wind turbines 

    Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Rodellar Benedé, José; Acho Zuppa, Leonardo (2016)
    Article
    Accés obert
    Wind turbines (WTs) are basically controlled by varying the generator load torque (with the so-called torque control) and the blade pitch angles (with the so-called pitch control) based on measurement of the generator shaft ...
  • A fault detection method for pitch actuators faults in wind turbines 

    Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Rodellar Benedé, José (2015)
    Text en actes de congrés
    Accés obert
    The paper presents a model-based fault detection method for pitch actuators faults using the normalized gradient method to estimate the parameters of the pitch actuator. One major difficulty is that the input signal to the ...
  • Fault detection and fault tolerant control in wind turbines 

    Tutivén Gálvez, Christian (Universitat Politècnica de Catalunya, 2018-09-27)
    Tesi
    Accés obert
    Renewable energy is an important sustainable energy in the world. Up to now, as an essential part of low emissions energy in a lot of countries, renewable energy has been important to the national energy security, and ...
  • Fault detection and isolation of pitch actuator faults in a floating wind turbine 

    Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Rodellar Benedé, José (2018-01-01)
    Article
    Accés obert
    In this work, the problem of detection and isolation of pitch actuator faults in wind turbines (WTs) is addressed. First, interval observers are used by means of the Luenberger observer to obtain an upper and a lower ...
  • Fault diagnosis and fault-tolerant control of wind turbines via a discrete time controller with a disturbance compensator 

    Vidal Seguí, Yolanda; Tutivén Gálvez, Christian; Rodellar Benedé, José; Acho Zuppa, Leonardo (2015-05-12)
    Article
    Accés obert
    This paper develops a fault diagnosis (FD) and fault-tolerant control (FTC) of pitch actuators in wind turbines. This is accomplished by combining a disturbance compensator with a controller, both of which are formulated ...
  • Fault diagnosis and fault tolerant control of wind turbines via a discrete time controller with disturbance compensator 

    Vidal Seguí, Yolanda; Tutivén Gálvez, Christian; Rodellar Benedé, José; Acho Zuppa, Leonardo (2015)
    Article
    Accés obert
    This paper develops a fault diagnosis (FD) and fault-tolerant control (FTC) of pitch actuators in wind turbines. This is accomplished by combining a disturbance compensator with a controller, both of which are formulated ...
  • Fault tolerant control design of floating offshore wind turbines 

    Rodellar Benedé, José; Tutivén Gálvez, Christian; Acho Zuppa, Leonardo; Vidal Seguí, Yolanda (2016)
    Text en actes de congrés
    Accés obert
    This work is concerned with active vibration mitigation in wind turbines (WT) but not through the use of specifically tailored devices. Instead, a general control scheme is designed for torque and pitch controllers based ...
  • Fault tolerant control for wind turbine pitch actuators 

    Rodellar Benedé, José; Acho Zuppa, Leonardo; Tutivén Gálvez, Christian; Vidal Seguí, Yolanda (2015)
    Text en actes de congrés
    Accés obert
    This paper develops a fault detection and isolation (FDI) and active fault tolerant control (FTC) of pitch actuators in wind turbines (WTs). This is accomplished combining a disturbance compensator with a controller, both ...
  • Hysteresis-based design of dynamic reference trajectories to avoid saturation in controlled wind turbines 

    Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Rodellar Benedé, José (2016)
    Article
    Accés obert
    The main objective of this paper is to design a dynamic reference trajectory based on hysteresis to avoid saturation in controlled wind turbines. Basically, the torque controller and pitch controller set-points are ...
  • Machine learning techniques for wind turbine fault diagnosis 

    Vidal Seguí, Yolanda; Pozo Montero, Francesc; Luo Ren, Ningsu; Tutivén Gálvez, Christian; Rodellar Benedé, José (2018)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    The reliability requirements of wind turbine (WT) components have increased significantly in recent years in the search for a lower impact on the cost of energy. In addition, the trend towards larger WTs installed in ...
  • Multi-fault diagnosis for wind turbines based on principal component analysis and support vector machines 

    Vidal Seguí, Yolanda; Pozo Montero, Francesc; Tutivén Gálvez, Christian (2018)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    The reliability requirements of wind turbine (WT) components have increased significantly in recent years in the search for a lower impact on the cost of energy. In addition, the trend towards larger WTs installed in ...
  • Super-twisting controllers for wind turbines 

    Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Rodellar Benedé, José (2016)
    Text en actes de congrés
    Accés obert
    The main contribution of this paper is to propose new control techniques which not only provide fault tolerance capabilities to the WT system, but also improve the overall performance of the system in both fault free and ...
  • Texture analysis for wind turbine fault detection 

    Mujica Delgado, Luis Eduardo; Ruiz Ordóñez, Magda; Acho Zuppa, Leonardo; Alférez Baquero, Edwin Santiago; Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Rodellar Benedé, José (Curran, 2016)
    Text en actes de congrés
    Accés obert
    The future of 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. Cost of operation ...
  • 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 ...
  • 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 multi-fault detection and classification based on SCADA data 

    Vidal Seguí, Yolanda; Pozo Montero, Francesc; Tutivén Gálvez, Christian (Multidisciplinary Digital Publishing Institute (MDPI), 2018)
    Article
    Accés obert
    Due to the increasing installation of wind turbines in remote locations, both onshore and offshore, advanced fault detection and classification strategies have become crucial to accomplish the required levels of reliability ...
  • 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 ...