The wind turbine's pitch-controlled strategies were made based on the conditions of low and high wind speed. The mathematical model of the pitch-controlled actuator was established. The fuzzy PID parameters self-tuning controller was designed and the system was simulated. The simulated result proves that the fuzzy PID parameters self-tuning controller can effectively inhibit overshoot and fluctuation of output power and rotational speed on initial stage of generator. It makes the system reach steady state fast and control requirements are achieved better.%针对低风速和高风速两种工况,制定风力机变桨距控制的策略,建立风力机变桨距机构各部分的数学模型,设计模糊PID参数自整定控制器并进行仿真.仿真结果证明:模糊PID参数自整定控制器能有效地抑制发电机输出功率和转速在起始阶段的超调和波动,且能较快地达到稳态,较好地实现了控制要求.
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