基于LQG基准的风电机组控制性能评估与诊断

高峰; 张子岩; 牛璐; 钱晨凯; 姚运龙

doi:10.19912/j.0254-0096.tynxb.2025-0036

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基于LQG基准的风电机组控制性能评估与诊断

更新时间：2026-07-21

- 基于LQG基准的风电机组控制性能评估与诊断
- Vol. 47, Issue 5, Pages: 368-376(2026)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.19912/j.0254-0096.tynxb.2025-0036
  CLC： TM614
- Online First：04 June 2026，
  
  Published：2026
- 稿件说明：
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高峰, 张子岩, 牛璐, et al. 基于LQG基准的风电机组控制性能评估与诊断[J]. 2026, 47(5): 368-376.
DOI：

高峰, 张子岩, 牛璐, et al. 基于LQG基准的风电机组控制性能评估与诊断[J]. 2026, 47(5): 368-376. DOI： 10.19912/j.0254-0096.tynxb.2025-0036.

摘要

针对目前风电机组控制性能诊断中缺少有效控制性能综合量化评估方法的问题

基于高斯二次型（LQG）基准提出一种综合功率、载荷及振动等多方面性能的风电机组控制评估方法。该评估方法通过子空间辨识方法

解决评估中风电机组子空间矩阵难以准确建立的问题

同时依据LQG评估基准对机组控制性能进行多目标的综合量化评估

并建立一种风电机组控制性能诊断方法。最后

以某2 MW风电机组为仿真算例

进行某降载策略的控制性能后评估与多台同类型机组的控制性能诊断。结果表明：所提诊断方法可有效识别控制性能劣化机组

而基于LQG基准的控制性能评估方法有助于量化分析机组综合控制性能

从而实现风电机组控制优化。

Abstract

In response to the lack of effective comprehensive quantitative evaluation methods for control performance in current wind turbine control performance diagnosis

this paper proposes a wind turbine control evaluation method based on the linear quadratic Gaussian （LQG） benchmark

which integrates multiple performance aspects such as power

load

and vibration. This evaluation method solves the problem of the difficulty of accurately establishing the subspace matrix of wind turbine units through subspace identification. At the same time

based on the LQG evaluation benchmark

a multi-objective comprehensive quantitative evaluation of unit control performance is carried out

and a wind turbine control performance diagnosis method is established. Finally

using a 2 MW wind turbine as a simulation example

the control performance post-assessment of a specific load reduction strategy and the control performance diagnosis of multiple units of the same type are carried out. The results indicate that the proposed diagnostic method can effectively identify units with degraded control performance

while the LQG-based control performance evaluation method aids in the quantitative analysis of the overall control performance of the units

thereby facilitating the optimization of wind turbine control.

关键词

Keywords

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