A fault diagnosis method based on deep convolutional domain adversarial transfer learning
A deep convolution and transfer learning technology, applied in neural learning methods, testing of machine/structural components, instruments, etc., can solve the difficulty of rotating machinery with a large number of labeled samples, few labeled samples, and low fault diagnosis accuracy It can improve the convergence and nonlinear approximation ability, improve the classification accuracy, and improve the transfer performance.
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[0101] The specific embodiments of the present invention are described below to facilitate those skilled in the art to understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes Such changes are obvious within the spirit and scope of the present invention as defined and determined by the appended claims, and all inventions and creations utilizing the inventive concept are within the scope of protection.
[0102] like figure 1 As shown, a fault diagnosis method based on deep convolutional domain adversarial transfer learning includes the following steps:
[0103]S1. Perform segmental preprocessing on each rotating machine sample in the auxiliary domain and the target domain, respectively, to obtain the corresponding preprocessing results;
[0104] S2. Input the two preprocessing results as input samples into the deep convolutional domain ad...
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