| 基于LQR方法的风电机组变桨距控制的动态建模与仿真分析 |
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| 引用本文： | 张雷,李海东,李建林,鄂春良,付勋波. 基于LQR方法的风电机组变桨距控制的动态建模与仿真分析[J]. 太阳能学报, 2008, 29(7) |
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| 作者姓名： | 张雷 李海东 李建林 鄂春良 付勋波 |
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| 作者单位： | 中国科学院电工研究所,北京,100080 |
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| 基金项目： | 中国博士后科学基金项目 |
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| 摘 要： | 为了获得更好的变桨距控制效果,将扰动校正LQR(Linear Quadratic Regulator)应用到风电机组变桨距控制中,该方法通过设计扰动状态观测器估计出作为扰动量的风速,在输入量中加入一个反馈量来消除风速产生的扰动影响,然后根据LOR控制理论,计算出状态反馈矩阵.建立了风电机组的动态模型,并根据动态模型在Mat-lab7.1/simulink环境下进行了仿真.仿真结果表明,基于扰动校正的LQR控制方法超调小,变桨距执行机构疲劳度小,具有良好的动态性能.该方法易于工程实现,适用于变桨距控制系统.
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| 关 键 词： | 变桨距控制 扰动校正方法 IQR 风电机组 |
DYNAMIC MODELING AND SIMULATION OF PITCH CONTROL STRATEGY FOR WIND TURBINES BASED ON LQR METHOD |
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| Zhang Lei Li Haidong Li Jianlin E Chunliang Fu Xunbo. DYNAMIC MODELING AND SIMULATION OF PITCH CONTROL STRATEGY FOR WIND TURBINES BASED ON LQR METHOD[J]. Acta Energiae Solaris Sinica, 2008, 29(7) |
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| Authors: | Zhang Lei Li Haidong Li Jianlin E Chunliang Fu Xunbo |
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| Affiliation: | Zhang Lei Li Haidong Li Jianlin E Chunliang Fu Xunbo (Institute of Electrical Engineering Chinese Academy of Sciences,Beijing 100080,China) |
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| Abstract: | A disturbance accommodating Linear Quadratic Regulator(LQR)method was applied in pitch control system to achieve good performance.The disturbance can be estimated by designing state observer,and a feedback was added into the input to eliminate disturbance effect.The feed back matrix was calculated in accordance to LQR control theory.A wind turbine dynamic model was set up,and simulation of the control system was preformed based on Matlab7.1/simu- link.The simulation results showed thatod the controller ensu... |
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| Keywords: | pitch control disturbance accommodating method LQR wind turbine |
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