Pitch Actuator Fault-Tolerant Control of Wind Turbines via an L 1 Adaptive Sliding Mode Control ( SMC ) Scheme

Ali Fayazi, Hossein Ghayoumi Zadeh, Hossein Ahmadian, Mahdi Ghane () and Omid Rahmani Seryasat
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Ali Fayazi: Department of Electrical Engineering, Vali-e-Asr University of Rafsanjan, Rafsanjan 7718897111, Iran
Hossein Ghayoumi Zadeh: Department of Electrical Engineering, Vali-e-Asr University of Rafsanjan, Rafsanjan 7718897111, Iran
Hossein Ahmadian: Department of Electrical Engineering, Amirkabir University of Technology, Tehran 1591634311, Iran
Mahdi Ghane: Department of Computer Science, Electrical Engineering and Mathematical Sciences, Western Norway University of Applied Sciences, 5528 Haugesund, Norway
Omid Rahmani Seryasat: Department of Electrical Engineering, Shams Gonbad Higher Education Institute, Gorgan 4971817615, Iran

Energies, 2024, vol. 17, issue 16, 1-20

Abstract: Effective fault identification and management are critical for efficient wind turbine operation. This research presents a novel L 1 adaptive- SMC system designed to enhance fault tolerance in wind turbines, specifically addressing common issues such as pump wear, hydraulic leakage, and excessive air content in the oil. By combining SMC with L 1 adaptive control, the proposed technique effectively controls rotor speed and power, ensuring reliable performance under various conditions. The controller employs an adjustable gain and an integrated sliding surface to maintain robustness. We validate the controller’s performance in the FAST (Fatigue, Aerodynamics, Structures, and Turbulence) simulation environment using a 5-megawatt wind turbine under high wind speeds. Simulation results demonstrate that the proposed L 1 adaptive- SMC outperforms traditional adaptive- SMC and adaptive control schemes, particularly in the presence of faults, unknown disturbances, and turbulent wind fields. This research highlights the controller’s potential to significantly improve the reliability and efficiency of wind turbine operations.

Keywords: wind turbine control; fault tolerance; sliding mode control (???); ? 1 adaptive control; renewable energy (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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