Application of adaptive fault-tolerant tracking control in unit coordinated control

华山; 陈刚; 范常浩; 王枢充; 刘星辰; 康璐; 王云峰

doi:10.19666/j.rlfd.202501008

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Application of adaptive fault-tolerant tracking control in unit coordinated control

Thermal Power Generation Vol. 54, Issue 11, Pages: 98-106(2025)

更新时间：2026-08-11

- Application of adaptive fault-tolerant tracking control in unit coordinated control
- 作者机构：
  
  1. 国能南京电力试验研究有限公司
  2. 华北电力大学控制与计算机工程学院
  3. 东北电力大学自动化工程学院
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202501008
  CLC： TP273;TM621
- Published：2025
- 稿件说明：
移动端阅览
[1]华山,陈刚,范常浩,等.自适应容错跟踪控制在单元机组协调控制中的应用[J],2025,54(11):98-106.
[1]华山,陈刚,范常浩,等.自适应容错跟踪控制在单元机组协调控制中的应用[J],2025,54(11):98-106. DOI： 10.19666/j.rlfd.202501008.

DOI：10.19666/j.rlfd.202501008.

摘要

现代电力系统中单元机组协调控制面临复杂的动态特性，同时受到故障及外部扰动的影响。对此，提出了一种针对故障条件下的单元机组协调容错控制方案。首先，基于机理分析法推导出单元机组传递函数，并建立了包含执行器故障的系统数学模型，以便分析系统的稳定性和动态性能（含瞬态响应）。其次，结合自适应技术与H_∞控制等理论，设计了一种基于自适应容错的保性能跟踪控制方法。该方法能够在系统发生故障时自动补偿受损信号，同时通过性能指标优化进一步提升系统的鲁棒性与容错能力，满足跟踪精度与动态响应的综合要求。最后，以300 MW单元机组协调控制系统为例进行仿真验证，结果表明，与传统容错控制方法相比，所提方法在动态跟踪性能、抗干扰能力以及故障恢复能力方面更具优势。该方法为电力系统单元机组的安全稳定运行提供了一种可靠的控制解决方案。

Abstract

In modern power systems

unit coordinated control faces complex dynamic characteristics and is influenced by faults and external disturbances. To address this challenge

a fault-tolerant control scheme designed for unit coordinated control systems under fault conditions is proposed. Firstly

the transfer function of the unit system is derived using mechanism analysis

and a mathematical model incorporating actuator faults is developed. This model enables the analysis of transient response

stability

and dynamic performance of the system. Secondly

by integrating adaptive techniques with H∞ control theory

an adaptive fault-tolerant guaranteed-cost tracking control method is designed. This method can automatically compensate for degraded signals when faults occur in the system while further enhancing the robustness and fault tolerance of the system through performance indicator optimization. It satisfies the combined requirements for tracking accuracy and dynamic response. Finally

a simulation is conducted using a 300 MW unit coordinated control system as an example. The results demonstrate that

compared with the conventional fault-tolerant control methods

the proposed approach exhibits superior dynamic tracking performance

disturbance rejection capability

and fault recovery ability. This study provides a reliable control solution for ensuring the safe and stable operation of unit systems in power systems.

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references

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