Search Results - "Sawalhi, N."
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Vibration response of spalled rolling element bearings: Observations, simulations and signal processing techniques to track the spall size
Published in Mechanical systems and signal processing (01-04-2011)“…Fatigue in rolling element bearings, resulting in spalling of the races and/or rolling elements, is the most common cause of bearing failure. The useful life…”
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Simulating gear and bearing interactions in the presence of faults Part I. The combined gear bearing dynamic model and the simulation of localised bearing faults
Published in Mechanical systems and signal processing (01-11-2008)“…This paper presents a simulation model for a gearbox test rig, in which a range of bearing faults can be implemented. Bearing faults sometimes manifest…”
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Journal Article -
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Application of cepstrum pre-whitening for the diagnosis of bearing faults under variable speed conditions
Published in Mechanical systems and signal processing (01-04-2013)“…Diagnostics of rolling element bearings involves a combination of different techniques of signal enhancing and analysis. The most common procedure presents a…”
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The enhancement of fault detection and diagnosis in rolling element bearings using minimum entropy deconvolution combined with spectral kurtosis
Published in Mechanical systems and signal processing (01-08-2007)“…Spectral kurtosis (SK) represents a valuable tool for extracting transients buried in noise, which makes it very powerful for the diagnostics of rolling…”
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Simulating gear and bearing interactions in the presence of faults Part II. Simulation of the vibrations produced by extended bearing faults
Published in Mechanical systems and signal processing (01-11-2008)“…This paper presents a combined dynamic model for gears and bearings, in which an extended fault in the inner/outer race of rolling element bearings can be…”
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Simulating gear and bearing interactions in the presence of faults
Published in Mechanical systems and signal processing (01-11-2008)“…This paper presents a combined dynamic model for gears and bearings, in which an extended fault in the inner/outer race of rolling element bearings can be…”
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Journal Article -
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Spectral kurtosis optimization for rolling element bearings
Published in Proceedings of the Eighth International Symposium on Signal Processing and Its Applications, 2005 (2005)Get full text
Conference Proceeding
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8
Simulating gear and bearing interactions in the presence of faults
Published in Mechanical systems and signal processing (01-11-2008)“…This paper presents a simulation model for a gearbox test rig, in which a range of bearing faults can be implemented. Bearing faults sometimes manifest…”
Get full text
Journal Article