The Pitch Control Algorithm of Wind Turbine Based on Fuzzy Control and PID Control
- 1 Wind Power Control Technology Department, Shenyang Institute of Automation Chinese Academy of Sciences, Shenyang, China
- 2 Wind Power Control Technology Department, Shenyang Institute of Automation Chinese Academy of Sciences, Shenyang, China
- 3 Wind Power Control Technology Department, Shenyang Institute of Automation Chinese Academy of Sciences, Shenyang, China
- 4 Wind Power Control Technology Department, Shenyang Institute of Automation Chinese Academy of Sciences, Shenyang, China
Abstract
Due to the special features of great inertia, pure lag and non-linearity provided with wind turbine, coupled with complex and variable working condition, it is difficult to achieve satisfactory control results simply by employing traditional PID, which has the drawbacks such as adjustment inconvenience, poor anti-interference, and large overshoot, and prolonged adjust span. This paper puts forward one type of improved controller combining Fuzzy Control with PID Control. With larger speed deviation, the controller emphasizes Fuzzy Control to speed system response; with less speed deviation, the controller emphasizes PID Control to improve control accuracy. Simulation Test directing at the algorithm is based on the Bladed software, with the positive result of improved dynamic and static performance of wind turbine under large disturbance.
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