Feature Extraction of Gearbox Compound Faults Based on Blind Source Separation

Xiao Wei Wang; Lin Suo Shi; Wei Zhang; Hui Li

doi:10.4028/www.scientific.net/AMR.490-495.1071

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 490-495Feature Extraction of Gearbox Compound Faults...

Feature Extraction of Gearbox Compound Faults Based on Blind Source Separation

Abstract:

Aimed at the diagnosis to compound faults of eccentricity and teeth broken in gear box, the paper presents a method of compound fault diagnosis based on the blind source separation to separate the coupling characteristics in compound faults. The method separates two collected signals including some compound faults into two independent source signals, and then extracts the signal characteristics, i.e. the fault characteristics of gear eccentricity and teeth broken, through resonance demodulation. The result of the experiment shows the validity and practicality of the method.

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Periodical:

Advanced Materials Research (Volumes 490-495)

Pages:

1071-1075

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.490-495.1071

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Online since:

March 2012

Authors:

Xiao Wei Wang, Lin Suo Shi, Wei Zhang, Hui Li

Keywords:

Blind Source Separation, Compound Faults, Extraction of Character, Resonance Envelope Demodulation

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