A Monitoring and Fault Diagnosis System for Aero-Engine Pipeline Based on Distributed Fiber Bragg Grating Sensor

Dong Liu; Quan Liu; Fen Chen; Qin Wei; Qing Song Ai

doi:10.4028/www.scientific.net/AMM.556-562.3112

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 556-562A Monitoring and Fault Diagnosis System for...

A Monitoring and Fault Diagnosis System for Aero-Engine Pipeline Based on Distributed Fiber Bragg Grating Sensor

Abstract:

Aero-engine pipeline is the cardiovascular of aero-engine, which directly affects the safety and reliability of planes. However, the pipeline has complex structure and is easily broken by the harsh operation environment. Therefore, the condition monitoring and fault diagnosis of aero-engine pipeline play one of the most important role to ensure the aero-engine safe and reliable. Fiber Bragg Grating Sensor (FBGS) owns several characteristics, such as anti-electromagnetic interference, corrosion resistance, small size, performance stability, long lifecycle, as well as easy to constitute distributed multi-point system. In this paper, a condition monitoring and fault diagnosis system for aero-engine pipeline, including online monitoring and offline diagnosis, is proposed. Moreover, online monitoring based on temperature and strain signals and offline fault diagnosis based on simulated vibration signals of aero-engine pipeline are explained in details. According to the experimental results, the proposed system is useful and effective.

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Periodical:

Applied Mechanics and Materials (Volumes 556-562)

Pages:

3112-3116

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.556-562.3112

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Online since:

May 2014

Authors:

Dong Liu*, Quan Liu, Fen Chen, Qin Wei, Qing Song Ai

Keywords:

Aero-Engine Pipeline, Fault Diagnosis System, FBGS, Monitoring

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* - Corresponding Author

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