Quantification of condition indicators in the presence of synchronous noise
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United States of America Patent
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Feb 19, 2013
Grant Date -
Oct 20, 2011
app pub date -
Apr 14, 2010
filing date -
Apr 14, 2010
priority date (Note) -
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Abstract
Determining health of a component includes using at least one processor to perform processes including acquiring a plurality of measured values corresponding to the condition indicators. Synchronous noise components are removed from the measured values to provide revised measured values, and the revised measured values are used to determine noise-filtered condition indicator values. The noise-filtered condition indicator values may be used in algorithms to determine the health of the component. Removing synchronous noise components may include determining a predicted value thereof using covariance and autocovariance of the measured values. The component may be a split torque gearbox.
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