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- W2364983839 abstract "Rub-impacts between the rotating ring and stator ring of mechanical seals appear always in operations,which may be danger to the mechanical seals. So the acoustic emission(AE)technique is put forward to monitor the rub-impacts. By analyzing the typical characteristics of AE signals of rub-impacts,the method combining of wavelet scalogram and power spectrum is found useful,and can used to attribute the feature information implicated in rub-impact AE signals between the two surfaces of mechanical seal. The wavelet scalogram can represent many characteristics of all the impulses implicated in the AE signals,including of the number,arrival time,energy,distribution in the time-frequency plane,components of the frequency,which can provide accurate information to distinguish the style,severity and time of the rub-impacts. The power spectrums of AE signals can provide the specific values of signal energy. Both simulations and experimental research prove that the method is effective,and is used successfully to distinguish the typical features of rub-impacts of mechanical seals,such as accidental rub-impact,periodic rub-impact and continuous rub-impact." @default.
- W2364983839 created "2016-06-24" @default.
- W2364983839 creator A5016839982 @default.
- W2364983839 date "2014-01-01" @default.
- W2364983839 modified "2023-09-23" @default.
- W2364983839 title "Study on Feature Extraction Method of Rub-Impact AE Signals of Mechanical Seals" @default.
- W2364983839 hasPublicationYear "2014" @default.
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