徐红,刘东乐

• 1:燕山大学电气工程学院

摘要(Abstract)：

为了改进风力发电系统浆距角的控制性能,文中采用带观测器的滑模控制理论设计出了一种新型滑模控制器。该控制首先建立系统的数学模型,然后设计了常规滑模变结构控制器。为了减小控制抖振,设计基于观测器的滑模控制器,该控制包含两个观测器,其中一个用于估计风速波动信号的干扰,另一个用于观测当风速波动时引起的风轮转子转速波动干扰。该控制器与传统滑模控制器相比,不仅减小了系统的控制抖振,还使风力机在高于额定风速阶段的桨距角控制更具有稳定性能。最后通过仿真研究,证明了该设计方案的合理性和控制器的鲁棒性。

关键词(KeyWords)： 风力发电;变桨距控制;滑模控制;干扰观测器

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(51177142);; 中国博士后科学基金(20110490210)

作者(Author): 徐红,刘东乐

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