Fault diagnosis method of flight control system based on ontology and FMECA

Abstract

Abstract:

The fly-by-wire flight control system is increasingly used in modern airliners. The lack of maintenance method and fault diagnosis knowledge becomes a major problem. In order to meet the needs for flight control system maintenance, an intelligent fault diagnosis method is proposed. The FMECA analysis of flight control system of B777 aircraft is taken as the knowledge source of this ontology modeling. By JESS rule reasoning machine, maintenance personnel can rapidly locate the source of the fault, and can select corresponding measures. This diagnosing method realizes the knowledge sharing between aircraft manufacturers and aircraft users, which can provide a strong support for fault diagnosis of flight control system.

Key words: fly-by-wire flight control system, FMECA, ontology, fault diagnosis

CLC Number:

V267

DUAN Zhaobin,ZHANG Peng. Fault diagnosis method of flight control system based on ontology and FMECA[J]. .

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Fault diagnosis method of flight control system based on ontology and FMECA

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