Gu, Fengshou, Abdalla, Gaballa M., Zhang, Riliang, Xun, Haijun and Ball, Andrew (2014) A Novel Method for the Fault Diagnosis of a Planetary Gearbox based on Residual Sidebands from Modulation Signal Bispectrum Analysis. In: Comadem 2014, 16th - 18th September 2014, Brisbane, Australia.
Abstract

This paper presents a novel method for the fault diagnosis of planetary gearboxes based on an accurate estimation of residual sidebands using a modulation signal bispectrum (MSB). The residual sideband resulting from the out-phase superposition of vibration waves from asymmetrical multiple meshing sources are much less influenced by gear errors than that of the in-phase sidebands. Therefore, with the accurate estimation by MSB they can produce accurate and consistent diagnosis, which are evaluated by both simulating and experimental studies. However, the commonly used in-phase sidebands have high amplitudes but include gear error effects, consequently leading to poor diagnostic results.

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Planetary_Gearbox_Vibration_for_COMADEM-2014_-Final.pdf - Accepted Version

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