电子电气工程与控制

航空发动机加力燃烧燃油控制系统主动容错控制

  • 杭杰 ,
  • 李运华 ,
  • 杨丽曼
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  • 北京航空航天大学 自动化科学与电气工程学院,北京 100191
.E-mail: yhli@buaa.edu.cn

收稿日期: 2022-09-28

  修回日期: 2022-11-25

  录用日期: 2023-01-29

  网络出版日期: 2023-02-06

基金资助

国家“973”计划(2014CB046403);国家科技重大专项(2017-V-7210015-0067)

Active fault tolerant control of fuel control system of aeroengine afterburner

  • Jie HANG ,
  • Yunhua LI ,
  • Liman YANG
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  • School of Automation Science and Electrical Engineering,Beihang University,Beijing 100191,China
First author contact:HANG J, LI Y H, YANG L M. Active fault tolerant control of fuel control system of aeroengine afterburner[J]. Acta Aeronautica et Astronautica Sinica, 2023, 44(14): 328063 (in Chinese).
E-mail: yhli@buaa.edu.cn

Received date: 2022-09-28

  Revised date: 2022-11-25

  Accepted date: 2023-01-29

  Online published: 2023-02-06

Supported by

National Key Basic Research Program of China(2014CB046403);National Science and Technology MajorProject(2017-V-7210015-0067)

摘要

为提高航空发动机加力燃烧燃油控制系统的容错性和可靠性,针对同时存在非匹配扰动、传感器故障和内泄漏故障的燃油计量装置,提出一种新型自适应积分鲁棒主动容错控制策略。其中,基于自适应参数估计的非线性未知输入状态观测器可有效估计系统状态和传感器故障,且不受内泄漏故障和非匹配扰动影响。通过引入滤波误差函数,将积分鲁棒控制和自适应控制相结合,以同时处理传感器噪声、非匹配扰动下的内泄漏故障。基于Lyapunov理论,严格证明了计量活门阀芯位移可渐近跟踪到参考信号。仿真结果表明,在非匹配扰动、传感器故障和内泄漏故障并存的模式下,所提出的主动容错控制在最大跟踪误差、平均跟踪误差、跟踪误差标准值、ITAE和ITSE等性能指标均有改善,分别降至0.035 6、0.001 8、0.013 6、25.197 3、4×10-4 mm。该技术可为航空发动机健康管理提供新的途径和思路。

本文引用格式

杭杰 , 李运华 , 杨丽曼 . 航空发动机加力燃烧燃油控制系统主动容错控制[J]. 航空学报, 2023 , 44(14) : 328063 -328063 . DOI: 10.7527/S1000-6893.2022.28063

Abstract

To improve the fault tolerance and reliability of the fuel control system of the aeroengine afterburner, a novel Adaptive Integral Robust Fault Tolerant Control (AIRFTC) strategy is proposed for the Fuel Metering Unit (FMU) with unmatched disturbances, sensor faults and internal leakage faults. The proposed Nonlinear Unknown Input Observer (NUIO) based on adaptive parameter estimation can effectively estimate the system state and sensor fault, while not moderated by unmatched disturbances and internal leakage faults. The introduced filter error function combines the integral robust control with adaptive control to address internal leakage faults with sensor noise and unmatched disturbances. By Lyapunov method, we can prove that the displacement of FMU can track reference signal asymptotically. The simulation results show that the control performances of AIRFTC are as low as 0.035 6, 0.001 8, 0.013 6, 25.197 3, 4×10-4 mm in terms of maximum tracking error, the average tracking error, the standard value of tracking error, ITAE, and ITSE, respectively. This paper can provide a novel method and glimpse for aeroengine health management.

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