AE Fault Diagnosis of Rolling Bearing Based on Base

D.L. Yang; X.J. Li

doi:10.4028/www.scientific.net/AMM.143-144.664

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 143-144AE Fault Diagnosis of Rolling Bearing Based on...

AE Fault Diagnosis of Rolling Bearing Based on Base

Abstract:

In the acoustic emission fault diagnosis, the acoustic emission sensors was installed on the bearing pedestal where near from the fault source so that can collected stronger fault AE signal, however ,sometimes, it is inconvenience for AE sensor installation. This paper proposed that install the AE sensor on the base for collect the fault AE signal, but the signal was weak, so carried on EMD first, and selected the former 8 IMF to construct the original feature, than carried on KPCA for dimensionality reduction and get the optimized feature. In this paper, taking bearing acoustic emission test for example, by compared the base fault feature with the bearing pedestal fault feature, verified that the method that the AE sensor install on the base is feasible.

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Periodical:

Applied Mechanics and Materials (Volumes 143-144)

Pages:

664-668

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.143-144.664

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Online since:

December 2011

Authors:

D.L. Yang, X.J. Li

Keywords:

Acoustic Emission (AE), Base, Fault Diagnosis, Rolling Bearing

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References

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