Diagnosing multiple faults using knowledge about malfunctioning behavior

Authors:
Tim Hansen
Affiliations:
Univ. Linkoping, Linkoping, Sweden
Venue:
IEA/AIE '88 Proceedings of the 1st international conference on Industrial and engineering applications of artificial intelligence and expert systems - Volume 1
Year:
1988

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Abstract

A technical fault diagnosis system based on knowledge about the structure of a device and the behavior of its components is presented. This approach allows knowledge about components to be reused for new devices and simplifies maintenance of the fault diagnosis system. A new method for diagnosing multiple faults using this representation is presented and discussed. The method assumes that both normal functioning and malfunctioning behavior are described for components in the form of user-defined constraints. A prototype implementation for parts of the method exists and has been compared with a traditional fault-tree implementation of a trouble-shooting system for an separator application.