CMT welding defect identification method based on acoustic signal multi-feature fusion
A multi-feature fusion and welding defect technology, which is applied in welding equipment, auxiliary welding equipment, character and pattern recognition, etc., to achieve the effect of accurate defect location, easy operation, and positioning defect location
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[0035] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but should not be used to limit the scope of the present invention.
[0036] The process flow of a CMT welding defect recognition method based on multi-feature fusion of acoustic signals of the present invention is as follows: figure 1 shown, including the following steps:
[0037] S1. Establish a system acquisition model, transmit the acoustic signal to the welding place, use the microphone and the acquisition card to collect the acoustic signal during the welding process,
[0038] BK4954 microphone can be used for the microphone, and the USB-4711A acquisition card can be used for the acquisition card. During the preprocessing of the acoustic signal, only the acoustic signal needs to be processed simply, and there is no need to process the acoustic signal too much...
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