Practical Implementation of Diagnosis Systems Using Timed Failure Propagation Graph Models

被引：39

作者：

Abdelwahed, Sherif ^{[1
]}

Karsai, Gabor ^{[2
]}

Mahadevan, Nagabhushan ^{[2
]}

Ofsthun, Stanley C. ^{[3
]}

机构：

[1] Mississippi State Univ, Dept Elect & Comp Engn, Mississippi State, MS 39762 USA

[2] Vanderbilt Univ, Dept Elect Engn & Comp Sci, Nashville, TN 37235 USA

[3] Boeing Integrated Def Syst, St Louis, MO 63166 USA

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2009年 / 58卷 / 02期

关键词：

Consistency-based reasoning; diagnosis system implementation; intermittent fault; model-based diagnosis; test alarms;

D O I：

10.1109/TIM.2008.2005958

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Timed failure propagation graphs (TFPGs) are causal models that capture the temporal aspects of failure propagation in typical engineering systems. In this paper, we present several practical modeling and reasoning considerations that have been addressed based on experience with complex real-time vehicle subsystems. These include handling intermittent faults, reasoning over dynamically commanded test sequences, dealing with the constraints of limited computational resources, and providing automated model verification. We finally present a vehicle subsystem case study.

引用

页码：240 / 247

页数：8

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