Now showing items 1-20 of 25

    • A fault detection method for pitch actuators faults in wind turbines 

      Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Rodellar Benedé, José (2015)
      Conference report
      Open Access
      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 ...
    • 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
      Open Access
      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 ...
    • Convolutional neural network for wind turbine failure classification based on SCADA data 

      Puruncajas Maza, Bryan; Alava, Winter; Encalada-Dávila, Ángel; Tutivén Gálvez, Christian; Vidal Seguí, Yolanda (2021-09)
      Article
      Open Access
      As a renewable energy source and an alternative to fossil fuels, the wind power industry is growing rapidly. However, due to harsh weather conditions, wind turbines (WT) still face many failures that raise the price of ...
    • Damage detection and diagnosis for offshore wind foundations 

      Puruncajas Maza, Bryan; Vidal Seguí, Yolanda; Tutivén Gálvez, Christian (2020)
      Conference report
      Restricted access - publisher's policy
      Structural health monitoring for wind turbines (WT) in remote locations, as offshore, is crucial (Presencia and Shafiee, 2018). Offshore wind farms are increasingly realized in water depths beyond 30 meters, where lattice ...
    • Damage detection and identification in jacket-type support structures via deep learning and accelerometer sensors data 

      Puruncajas Maza, Bryan; Vidal Seguí, Yolanda; Tutivén Gálvez, Christian (2020-10)
      Part of book or chapter of book
      Open Access
    • Fault detection and fault tolerant control in wind turbines 

      Tutivén Gálvez, Christian (Universitat Politècnica de Catalunya, 2018-09-27)
      Doctoral thesis
      Open Access
      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
      Open Access
      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 disturbance compensator 

      Vidal Seguí, Yolanda; Tutivén Gálvez, Christian; Rodellar Benedé, José; Acho Zuppa, Leonardo (2015)
      Article
      Open Access
      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 a disturbance compensator 

      Vidal Seguí, Yolanda; Tutivén Gálvez, Christian; Rodellar Benedé, José; Acho Zuppa, Leonardo (2015-05-12)
      Article
      Open Access
      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)
      Conference report
      Open Access
      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)
      Conference report
      Open Access
      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
      Open Access
      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)
      Conference lecture
      Restricted access - publisher's policy
      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)
      Conference lecture
      Restricted access - publisher's policy
      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 ...
    • SCADA data-driven wind turbine main bearing fault prognosis based on one-class support vector machines 

      Insuasty, Andrés; Tutivén Gálvez, Christian; Vidal Seguí, Yolanda (2021-09)
      Article
      Open Access
      This work proposes a fault prognosis methodology to predict the main bearing fault several months in advance and let turbine operators plan ahead. Reducing downtime is of paramount importance in wind energy industry to ...
    • Super-twisting controllers for wind turbines 

      Tutivén Gálvez, Christian; Vidal Seguí, Yolanda; Acho Zuppa, Leonardo; Rodellar Benedé, José (2016)
      Conference report
      Open Access
      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)
      Conference report
      Open Access
      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 ...
    • Unsupervised damage detection for offshore jacket wind turbine foundations based on an autoencoder neural network 

      Feijóo, Maria del Cisne; Zambrano, Yovana; Vidal Seguí, Yolanda; Tutivén Gálvez, Christian (Multidisciplinary Digital Publishing Institute (MDPI), 2021-05-11)
      Article
      Open Access
      Structural health monitoring for offshore wind turbine foundations is paramount to the further development of offshore fixed wind farms. At present time there are a limited number of foundation designs, the jacket type ...
    • 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)
      Conference report
      Open Access
      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 ...
    • Vibration-Response-Only Structural Health Monitoring for Offshore Wind Turbine Jacket Foundations via Convolutional Neural Networks 

      Puruncajas Maza, Bryan; Vidal Seguí, Yolanda; Tutivén Gálvez, Christian (Multidisciplinary Digital Publishing Institute (MDPI), 2020-06)
      Article
      Open Access
      This work deals with structural health monitoring for jacket-type foundations of offshore wind turbines. In particular, a vibration-response-only methodology is proposed based on accelerometer data and deep convolutional ...