基于反馈线性化的风力机变桨距最优跟踪控制

doi:10.11930/j.issn.1004-9649.2013.2.93.4

中国电力 ›› 2013, Vol. 46 ›› Issue (2): 93-97.DOI: 10.11930/j.issn.1004-9649.2013.2.93.4

基于反馈线性化的风力机变桨距最优跟踪控制

崔双喜，王维庆，张新燕

新疆大学电气工程学院,新疆乌鲁木齐 830047

收稿日期:2012-09-24 出版日期:2013-02-05 发布日期:2015-12-10
作者简介:崔双喜（1970—）,男,甘肃武威人,博士研究生,从事风力发电系统建模、控制及仿真研究。E-mail: ysucsx@126.com
基金资助:
新疆维吾尔自治区高技术研究发展计划资助项目（201132116）

Variable Pitch Tracking Control for a Wind Power System Based on Feedback Linearization Theory

CUI Shuang-xi, WANG Wei-qing, ZHANG Xin-yan

College of Electrical Engineering, Xinjiang University, Urumqi 830047, China

Received:2012-09-24 Online:2013-02-05 Published:2015-12-10

摘要/Abstract

摘要： 依据双馈风力发电机组二阶数学模型,研究风电机组在高于额定风速时的输出功率恒定问题;应用反馈线性化及最优控制理论,给出风机状态变量反馈线性化控制律的形式;在定义跟踪误差的基础上,设计出最优跟踪控制器。利用Matlab/Simulink仿真软件搭建仿真平台,验证所设计控制器的正确性和有效性。与传统的PI（比例积分）变桨距控制相比,在随机风、突变风及渐变风下,所设计的变桨距最优控制器都能够较好地保持输出功率基本恒定,具有较强的鲁棒性。

关键词: 双馈风力发电机组, 变桨距控制, 最优跟踪控制器, 反馈线性化, 二阶数学模型

Abstract: A mathematical model of second-order for a doubly-fed induction wind generator was established to deal with the problem of inconstant output of the wind generator when wind speed is higher than the rated wind speed. According to the feedback linearization and the optimal control theory, the presentation of the state feedback linearization control law was given. In addition, the optimal tracking controller was designed on the basis of the definition of tracking errors. By using Matlab/Simulink software as a simulation platform, the correctness and efficiency of the designed controller was verified. Comparing with traditional PI control, no matter what changes the wind speed has, the proposed optimal controller is able to better keep the output basically constant and behave robustly.

Key words: doubly-fed induction wind power generator, variable-pitch control, the optimal tracking controller, feedback linearization, second-order mathematical model

中图分类号:

TM614

崔双喜，王维庆，张新燕. 基于反馈线性化的风力机变桨距最优跟踪控制[J]. 中国电力, 2013, 46(2): 93-97.

CUI Shuang-xi, WANG Wei-qing, ZHANG Xin-yan. Variable Pitch Tracking Control for a Wind Power System Based on Feedback Linearization Theory[J]. Electric Power, 2013, 46(2): 93-97.

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https://www.electricpower.com.cn/CN/Y2013/V46/I2/93

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基于反馈线性化的风力机变桨距最优跟踪控制

Variable Pitch Tracking Control for a Wind Power System Based on Feedback Linearization Theory

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基于反馈线性化的风力机变桨距最优跟踪控制

Variable Pitch Tracking Control for a Wind Power System Based on Feedback Linearization Theory

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