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Nonsingular terminal sliding mode control with ultra-local model and single input interval type-2 fuzzy logic control for pitch control of wind turbines

Abrazeh, S ; Sharif University of Technology | 2021

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  1. Type of Document: Article
  2. DOI: 10.1109/JAS.2021.1003889
  3. Publisher: Institute of Electrical and Electronics Engineers Inc , 2021
  4. Abstract:
  5. As wind energy is becoming one of the fastest-growing renewable energy resources, controlling large-scale wind turbines remains a challenging task due to its system model nonlinearities and high external uncertainties. The main goal of the current work is to propose an intelligent control of the wind turbine system without the need for model identification. For this purpose, a novel model-independent nonsingular terminal sliding-mode control (MINTSMC) using the basic principles of the ultra-local model (ULM) and combined with the single input interval type-2 fuzzy logic control (SIT2-FLC) is developed for non-linear wind turbine pitch angle control. In the suggested control framework, the MINTSMC scheme is designed to regulate the wind turbine speed rotor, and a sliding-mode (SM) observer is adopted to estimate the unknown phenomena of the ULM. The auxiliary SIT2-FLC is added in the model-independent control structure to improve the rotor speed regulation and compensate for the SM observation estimation error. Extensive examinations and comparative analyses were made using a real-time software-in-the-loop (RT-SiL) based on the dSPACE 1202 board to appraise the efficiency and applicability of the suggested model-independent scheme in a real-time testbed. © 2014 Chinese Association of Automation
  6. Keywords:
  7. Computer circuits ; Fuzzy logic ; Sliding mode control ; Wind power ; Wind turbines ; Comparative analysis ; External uncertainties ; Interval type-2 fuzzy logic ; Large scale wind turbines ; Model identification ; Non-singular terminal sliding mode controls ; Pitch-angle control ; Wind turbine systems ; Fuzzy control
  8. Source: IEEE/CAA Journal of Automatica Sinica ; Volume 8, Issue 3 , 2021 , Pages 690-700 ; 23299266 (ISSN)
  9. URL: https://ieeexplore.ieee.org/document/9346074