Fault Diagnoise of Rolling Bearing Based on EEMD and Instantaneous Energy Density Spectrum

Jin Ming Lu; Fan Lin Meng; Hua Shen; Li Bing Ding; Su Nin Bao

doi:10.4028/www.scientific.net/AMM.97-98.741

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 97-98Fault Diagnoise of Rolling Bearing Based on EEMD...

Fault Diagnoise of Rolling Bearing Based on EEMD and Instantaneous Energy Density Spectrum

Abstract:

A new fault diagnosis method for rolling bearing based on ensemble empirical mode decomposition (EEMD) and instantaneous energy density spectrum is proposed here. The intrinsic mode functions (IMFs) generated by EEMD can alleviate the problem of mode mixing and approach the reality IMFs. The characteristic frequencies were found in the instantaneous energy density of Hilbert spectrum. The effectiveness of this method was demonstrated by analysis the vibration signals of a rolling bearing with inner-race fault.

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Periodical:

Applied Mechanics and Materials (Volumes 97-98)

Pages:

741-744

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.97-98.741

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Online since:

September 2011

Authors:

Jin Ming Lu, Fan Lin Meng, Hua Shen, Li Bing Ding, Su Nin Bao

Keywords:

Ensemble Empirical Mode Decomposition (EEMD), Fault Diagnosis, Instantaneous Energy Density, Rolling Bearing

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References

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