Fault diagnosis and isolation of the component and sensor for aircraft engine

QIU Xiao-jie; HUANG Jin-quan; LU Feng; LIU Nan

Chinese

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Fault diagnosis and isolation of the component and sensor for aircraft engine

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- Fault diagnosis and isolation of the component and sensor for aircraft engine
- Fault diagnosis and isolation of the component and sensor for aircraft engine
- 航空动力学报 2012年27卷第6期
- 作者机构：
  
  College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics,Nanjing,China,210016
- 作者简介：
- 基金信息：
  
  Program Sponsored for Scientific Innovation Research of College Graduate in Jiangsu Province(CX10B_108Z)Program Sponsored for Scientific Innovation Research of College Graduate in Jiangsu Province(CX10B_108Z)
- DOI：
  中图分类号：
- 纸质出版：2012
- 稿件说明：
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QIU Xiao-jie, HUANG Jin-quan, LU Feng, 等. Fault diagnosis and isolation of the component and sensor for aircraft engine[J]. 航空动力学报, 2012,27(6).

QIU Xiao-jie, HUANG Jin-quan, LU Feng, et al. Fault diagnosis and isolation of the component and sensor for aircraft engine[J]. 2012, 27(6).
QIU Xiao-jie, HUANG Jin-quan, LU Feng, 等. Fault diagnosis and isolation of the component and sensor for aircraft engine[J]. 航空动力学报, 2012,27(6). DOI：

QIU Xiao-jie, HUANG Jin-quan, LU Feng, et al. Fault diagnosis and isolation of the component and sensor for aircraft engine[J]. 2012, 27(6). DOI：

摘要

Aircraft engine component and sensor fault detection and isolation approach was proposed

which included fault type detection module and component-sensor simultaneous fault isolation module. The approach can not only distinguish among sensor fault

component fault and component-sensor simultaneous fault

but also isolate and locate sensor fault and the type of engine component fault when the engine component fault and the sensor faults occur simultaneously. The double-threshold mechanism has been proposed

in which the fault diagnostic threshold changed with the sensor type and the engine condition

and it greatly improved the accuracy and robustness of sensor fault diagnosis system. Simulation results show that the approach proposed can diagnose and isolate the sensor and engine component fault with improved accuracy. It effectively improves the fault diagnosis ability of aircraft engine.

Abstract

Aircraft engine component and sensor fault detection and isolation approach was proposed

which included fault type detection module and component-sensor simultaneous fault isolation module. The approach can not only distinguish among sensor fault

component fault and component-sensor simultaneous fault

in which the fault diagnostic threshold changed with the sensor type and the engine condition

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