Fault Diagnosis of Gear Wearing Based on Order Cepstrum Analysis

Hao Tian; Xiao Yong Kang; Yong Jian Li; Jun Nuo Zhang

doi:10.4028/www.scientific.net/AMM.543-547.922

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 543-547Fault Diagnosis of Gear Wearing Based on Order...

Fault Diagnosis of Gear Wearing Based on Order Cepstrum Analysis

Abstract:

The article explored a new signal processing method called order cepstrum analysis, it can analyze the instantaneous signals of the rotary mechanism, and can process the non-stationary vibration signals such as speed up or speed down signals effectively. Firstly, the start-up vibration signals of the gearbox are sampled at constant time increments in time-domain, then the data are resampled with software at constant angle increments in angle-domain. Therefore, the time domain instantaneously signal is changed into angle domain stationary signal. Then, the stationary signal is analyzed by order cepstrum. From the result we can find that it can avoid the frequency fuzzy phenomenon effectively, which cannot be solved with the traditional frequency spectrum analysis.

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Periodical:

Applied Mechanics and Materials (Volumes 543-547)

Pages:

922-925

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.543-547.922

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Online since:

March 2014

Authors:

Hao Tian*, Xiao Yong Kang, Yong Jian Li, Jun Nuo Zhang

Keywords:

Fault Diagnosis, Gear Wearing, Order Cepstrum, Rotary Mechanism

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