Improved Fault Diagnosis Method for Aeroaccessory Gear

Jun Pi; Zhi Wei Li; Guo Hua Yan

doi:10.4028/www.scientific.net/AMR.516-517.718

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Experimental Investigation of Ribbed Cylinder's Vibroacoustics Transmissibility
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Improved Fault Diagnosis Method for Aeroaccessory Gear
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 516-517Improved Fault Diagnosis Method for Aeroaccessory...

Improved Fault Diagnosis Method for Aeroaccessory Gear

Abstract:

The gear is widely used in aviation engines to transmit power. The gear faults affect somwhat the safety of the engines and aircafts. The vibration signal of gear is a carrier of gear situation information, it contains a lot of information about normal gear or faulty gear, so an effective signal process way is the important method of diagnosis the gear in good situation or not.The hybrid method of Wigner-Viller distribution (WVD) and singularity value decompositio(SVD) was introduced and applied to diagnose the gear faults in this paper. The results show that the hybrid method investigated is successfully to ascertain the gear fault.

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Periodical:

Advanced Materials Research (Volumes 516-517)

Pages:

718-721

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.516-517.718

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Online since:

May 2012

Authors:

Jun Pi, Zhi Wei Li, Guo Hua Yan

Keywords:

Gear Fault, Hybrid Method, Singularity Value Decomposition, Wigner-Viller Distribution

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