Bearing health state monitoring method based on convolution auto-encoder
A convolutional self-encoding and health status technology, which is applied in mechanical bearing testing, machine/structural component testing, neural learning methods, etc., can solve problems such as feature redundancy, complex bearing vibration signals, and incomplete feature extraction, and achieve improved Integrity, good detection effect, better detection effect
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[0035] The present invention proposes a bearing health status monitoring method based on a convolutional autoencoder. The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods:
[0036] The present invention proposes a bearing health status monitoring method based on a convolutional autoencoder, the principle of which is as follows figure 1As shown, this method obtains the bearing vibration signal through the vibration sensor of the bearing, and performs two feature extraction operations on the one-dimensional vibration signal: first, the vibration signal is subjected to empirical mode decomposition to obtain several eigenmode components. Most of the health status information exists in the high-frequency signal, so the present invention selects the first five eigenmode components for the next statistical analysis operation, and the statistical analysis operation obtains the mean value and variance of ...
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