Feature construction method and system for predictio maintenance based on convolution operator
A construction method and predictive technology, applied in the field of machine learning, can solve problems such as data acquisition cost reduction, achieve good promotion and application value, and enhance the effect of robustness
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[0029] The convolution operator-based feature construction method for predictive maintenance of the present invention includes the following steps:
[0030] S1. Preprocessing the data collected by the sensor to obtain a data matrix.
[0031] The data collected by the sensor is preprocessed to obtain a data matrix with the same row and the same column.
[0032] S2. Setting the convolution kernel.
[0033] Setting the convolution kernel includes setting the size of the convolution kernel, the number of convolution kernels, the convolution step size and whether to perform data padding.
[0034] S3. Perform a convolution operation on the data matrix and the set convolution kernel to obtain a new feature matrix. When there are multiple convolution kernels, multiple new feature matrices are obtained.
[0035] S4. Concatenate the new feature matrices to obtain a new set of feature matrices. If the new feature matrix is consistent with the original data matrix, it can be concate...
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