The usefulness of probability density and cross‐correlation of the vibration acceleration signal of rolling element bearings has been investigated. These measurements have been performed on ball bearings with and without simulated defects in their races after mounting them on a test rig. The measurement results show that both probability density and cross‐correlation of the bearings′ vibration signal can be used to detect defects in them.
Tandon, N. (1992), "Detection of Defects in Rolling Element Bearings by Vibration Probability Density and Cross‐correlation Measurements", International Journal of Quality & Reliability Management, Vol. 9 No. 4. https://doi.org/10.1108/02656719210010721
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