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Condition monitoring of volumetric gear pumps using pressure cyclostationarity
Mario Eltabach - 01/02/2013 - Pumps valves and systems magazine…
Gear volumetric pumps produce high level of vibrations and fluidic pressure fluctuations even in normal operating conditions owing to periodic meshing of the gear teeth. In general, conventional spectral analysis of these signals may neither help to analyse the signals nor to reveal the presence of this periodicity. Cyclostationary models have proven their usefulness for understanding experimental data, for predicting trends and for machines diagnosis where faults in rotating components will typically produce a repetitive release of energy.
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