Abstract
In Although variable-speed three-blade wind turbines are nowadays quite popular, their control remains a challenging task. We propose a new easily implementable model-free control approach with the corresponding intelligent controllers. Several convincing computer simulations, including some fault accommodations, shows that model-free controllers are more efficient and robust than classic proportional-integral controllers.
Highlights
Wind energy has been the focus of growing interest for many years
In the low-speed region, the wind turbine operates under the nominal power
In the high-speed region, blade pitch and generator torque can be used for power control
Summary
Wind energy has been the focus of growing interest for many years. Improving the performances and profitability of wind turbines is currently a burgeoning research topic. The severe shortcomings of Proportional-Integral (PI) and Proportional-Integral-Derivative (PID) controllers are well known [8], [9], they remain most popular in the industrial world, including wind turbines. They are still studied in the academic literature on wind turbines [10]–[12]. Remark 1: The enormous difficulty of writing down a suitable mathematical modeling of wind turbines explains why other model-free settings have been proposed (see, e.g., [18]) They are mostly based on various optimization techniques.
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