A state diagnosis method for rolling bearings based on self-attention neural network
A rolling bearing and state diagnosis technology, applied in neural learning methods, biological neural network models, testing of mechanical components, etc., can solve data dependence and other problems, achieve easy implementation, increase the ability of extreme environments, and reduce the demand for data volume Effect
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[0047]The present invention will be described in detail below in conjunction with the drawings and specific embodiments:
[0048]Such asfigure 1 As shown, a method for diagnosing the state of a rolling bearing based on a self-attention neural network of the present invention includes:
[0049]S1: Use the vibration acceleration sensor to collect the time series signals of the vibration acceleration of the rolling bearing in different states under different motor loads, and obtain the vibration acceleration data as sample data; where the sample data should include the rolling bearing in the normal state, inner ring failure, outer ring failure and Vibration acceleration data under rolling element failure.
[0050]S2: Perform data enhancement processing on the collected sample data;
[0051]In the field of fault diagnosis, the collected vibration signal is usually a long time series. Long-term series modeling and feature mining are almost impossible. Therefore, it is necessary to process the data.
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