Rotary machine intelligent fault diagnosis method based on integrated depth auto-encoder
A technology of deep self-encoding and rotating machinery, which is applied to the automatic fault diagnosis of rotating machinery. Based on the field of intelligent fault diagnosis of rotating machinery based on integrated deep self-encoder, it can solve the problems of classification accuracy, low generalization ability and low robustness. And other issues
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[0045] The following describes the present invention in further detail with reference to the drawings and specific embodiments:
[0046] Reference figure 1 , The present invention includes the following steps:
[0047] Step 1) Get the training data set X 1 And test data set X 2 .
[0048] The invention can be used for the intelligent fault diagnosis of rolling bearings, gearboxes and other rotating machinery. In this embodiment, rolling bearings are taken as an example, and the bearing fault data of Case Western Reserve University is used for experimental analysis. A total of 12 fault types of rolling bearings are collected through the data acquisition system. , 3600 vibration time domain signals as a data set. details as follows:
[0049] The vibration time domain signals used in this embodiment all come from the bearing data set of Case Western Reserve University in the United States. The test bearing mainly includes four types of failures: normal state, ball defect (BD), outer r...
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