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中文摘要：
以额定风速以下风能的最大捕获为目标，设计了基于模糊PID自适应控制的桨距控制器。以发电机产生的电能与理论计算的风轮最大捕获的风能误差为输入设计控制器，该控制器在运行时根据风况在线调整PID参数，实现自整定。仿真结果表明，在额定风速以下，基于高斯型隶属度函数的模糊控制方法能够将风能转换系数控制在最优值0．476附近，叶尖速比可以维持在最优值7附近，能够实现额定风速以下的最大风能捕获。
英文摘要：
In order to capture maximum energy under rated wind speed, a fixed pitch wind power generation control system based on fuzzy self-adaptive PID technology was designed. A variable speed fixed pitch controller of the wind energy conversion system based on the fuzzy self-adaptive PID technology was proposed, then the wind turbine and the variable speed fixed pitch models were set up. By using the generator power error calculated from theoretical maximum captured wind power as input, the controller＇s parameters were regulated online according to the wind conditions, which was self- adaptive. The simulation results demonstrated that feasibility of the proposed fuzzy control method based on the gauss membership function. With the proposed controller the wind energy capture ratio could be maintained around its optimal value 0.476 and the tip speed ratio around its optimal value 7. It was able to capture the maximum power below the rated wind velocity.
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