Rub-Impact Fault Diagnosis of Rotating Machinery Based on 1-D Convolutional Neural Networks
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DOI: 10.1109/jsen.2019.2944157
Abstract: Rub-impact is a kind of serious malfunction, which often occurs in rotating machinery. The non-stationary rub-impact signals are always submerged in the background and noise signals, which makes it difficult to accurately diagnose the rubbing… read more here.
Keywords: rub impact; rotating machinery; impact fault; impact ... See more keywords
Dynamic Characteristics Analysis of a Seal-Rotor System With Rub-Impact Fault
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DOI: 10.1115/1.4051185
Abstract: Labyrinth seals are widely used to prevent fluid leakage in high-low pressure areas of the rotating machinery. However, the rub-impact fault easily occurs in labyrinth seals. Considering the influence of gyroscopic effect, a finite element… read more here.
Keywords: system; impact fault; impact; rotor ... See more keywords
A feature sample screening and local outlier factor fusion method for detecting tidal stream turbine blade impact fault
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DOI: 10.1177/01423312241255991
Abstract: The impact fault caused by ocean creatures poses a risk to the safe operation of tidal stream turbine blades. However, it is difficult to detect the weak impact fault directly because the collected signal is… read more here.
Keywords: impact fault; method; sample screening; local outlier ... See more keywords