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Shock and Vibration
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Shock and Vibration
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2020
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Article
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Fig 6
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Research Article
Fault Diagnosis of Hydraulic Pumps Using PSO-VMD and Refined Composite Multiscale Fluctuation Dispersion Entropy
Figure 6
The fault types of plungers. (a) Plunger loose slipper. (b) Piston shoe wear.
(a)
(b)