Mechanical anomaly detection method based on potential feature coding
A technology of feature coding and mechanical abnormality, which is applied in the field of mechanical diagnosis and can solve the problems of weak fault identification ability of the diagnosis method.
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[0029] The present invention will be further described below in conjunction with drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not as limitations of the present invention.
[0030] It can be seen from the background technology that the existing diagnostic methods based on time-domain statistical characteristic indicators have poor ability to identify early faults. Misjudgment is prone to misjudgment when performing anomaly detection on weak faults.
[0031] Therefore, the present invention discloses a mechanical anomaly detection method based on latent feature encoding. Based on the encoding network, the method adaptively extracts information features from the signal. By learning the data distribution of the vibration signal in the normal state of the rotating machinery, a diagnostic model is established. When the vibration signal in the fault state is input, the mod...
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