A Multi-level Approach for Complex Fault Isolation Based on Structured Residuals

叶鲁彬; 石向荣; 梁军

doi:10.1016/S1004-9541(11)60007-4

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A Multi-level Approach for Complex Fault Isolation Based on Structured Residuals

Updated：2026-01-06

- A Multi-level Approach for Complex Fault Isolation Based on Structured Residuals
- Chinese Journal of Chemical Engineering Vol. 19, Issue 3, Pages: 462-472(2011)
- Affiliations：
  
  State Key Laboratory of Industrial Control Technology, Institute of Industrial Control Zhejiang University,Hangzhou,China,310027
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(11)60007-4
  CLC：
- Published：2011
- Accepted：
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YE Lubin, SHI Xiangrong, LIANG Jun. A Multi-level Approach for Complex Fault Isolation Based on Structured Residuals[J]. , 2011, 19(3): 462-472.
DOI：

YE Lubin, SHI Xiangrong, LIANG Jun. A Multi-level Approach for Complex Fault Isolation Based on Structured Residuals[J]. , 2011, 19(3): 462-472. DOI： 10.1016/S1004-9541(11)60007-4.

摘要

Abstract

In industrial processes

there exist faults that have complex effect on process variables.Complex and simple faults are defined according to their effect dimensions.The conventional approaches based on structured residuals cannot isolate complex faults.This paper presents a multi-level strategy for complex fault isolation.An extraction procedure is employed to reduce the complex faults to simple ones and assign them to several levels.On each level

faults are isolated by their different responses in the structured residuals.Each residual is obtained insensitive to one fault but more sensitive to others.The faults on different levels are verified to have different residual responses and will not be confused.An entire incidence matrix containing residual response characteristics of all faults is obtained

based on which faults can be isolated.The proposed method is applied in the Tennessee Eastman process example

and the effectiveness and advantage are demonstrated.

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