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Differential Diagnosis of Gear and Bearing Faults

Antoni, J., Randall, R. B.·2002·Journal of Vibration and Acoustics

Abstract

This paper deals with the vibration-based diagnosis of rolling element bearings in the presence of strong interfering gear signals, such as is typical of helicopter gearboxes. The key idea consists in recognizing gear signals as purely periodic, whereas bearing signals experience some randomness and are close to cyclostationary, i.e. with a periodic bivariate autocorrelation function. This assertion is demonstrated by introducing a comprehensive model for the vibration generating process of bearing faults: distinctions are made between localized and distributed faults, between cyclostationary and pseudo-cyclostationary processes, and between additive and multiplicative interactions with gear signals. Finally, an original diagnostic procedure is proposed and its performance illustrated using simulated, experimental and actual cases.

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Metadata

Authors
Antoni, J., & Randall, R. B.
Venue
Journal of Vibration and Acoustics
Published
2002-03-26
Volume
124
Issue
2
Pages
165-171
ISSN
  • 0739-3717 (ISSN-L)
  • 1048-9002
  • 1528-8927
OpenAlex
W2003202593
Cited by
361
References
0
FWCI
14.45
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Differential Diagnosis of Gear and Bearing Faults. https://app.cochat.ai/papers/10.1115/1.1456906
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Antoni, J., & Randall, R. B. (2002). Differential Diagnosis of Gear and Bearing Faults. Journal of Vibration and Acoustics. https://doi.org/10.1115/1.1456906

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.