Quantitative performance assessment of wind turbine control systems based on linear quadratic Gaussian subspace benchmark

WANG Yu; ZHANG Yangfan; YANG Weixin; LIANG Kai; GAO Feng; QIAN Chenkai

doi:10.19666/j.rlfd.202308133

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Quantitative performance assessment of wind turbine control systems based on linear quadratic Gaussian subspace benchmark

Thermal Power Generation Vol. 53, Issue 3, Pages: 14-23(2024)

更新时间：2025-09-28

- Quantitative performance assessment of wind turbine control systems based on linear quadratic Gaussian subspace benchmark
- 作者机构：
  
  1. 华北电力科学研究院有限责任公司
  2. 华北电力大学控制与计算机工程学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202308133
  CLC： TM315
- Published：2024
- 稿件说明：
移动端阅览
WANG Yu, ZHANG Yangfan, YANG Weixin, et al. Quantitative performance assessment of wind turbine control systems based on linear quadratic Gaussian subspace benchmark[J]. Thermal Power Generation, 2024, 53(3): 14-23.
DOI：

WANG Yu, ZHANG Yangfan, YANG Weixin, et al. Quantitative performance assessment of wind turbine control systems based on linear quadratic Gaussian subspace benchmark[J]. Thermal Power Generation, 2024, 53(3): 14-23. DOI： 10.19666/j.rlfd.202308133.

摘要

针对目前风电机组控制性能综合评估时缺乏量化标准与评估方法的问题，提出了一种基于子空间线性二次高斯（LQG）的控制性能量化评估方法，利用子空间矩阵法求解出评估权衡曲线，确立了风电机组LQG控制性能基准与评估指标。以增加塔架阻尼减载控制改造的机组作为评估算例，采用2种数据处理策略进行改造前、后变桨控制性能的多变量综合量化评估。结果表明：2种数据处理策略均可得到准确有效的量化评估结果，所提评估方法可以实现对控制策略优化效果的综合量化评价。

Abstract

Aiming at the lack of quantitative standards and assessment methods in the current comprehensive assessment of wind turbine control performance

a quantitative assessment method of control performance based on subspace linear quadratic Gaussian(LQG) is proposed. The subspace matrix method is used to solve the assessment trade-off curve

and the benchmark and assessment index of LQG control performance of wind turbines are established. By taking the turbine retrofitted by adding tower damping and load shedding control as an example of the assessment

the multivariate comprehensive quantitative assessment of pitch control performance before and after retrofitting is carried out by using two kinds of data processing strategies. The results show that

both data processing strategies can obtain accurate and effective quantitative evaluation results

and the proposed evaluation method can realize the comprehensive quantitative evaluation of the optimization effect of control strategies.

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