Real-Time Control of Welding Penetration via Arc Sound Signal for GTAW Welding
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The arc acoustic signal of pulsed argon tungsten arc welding is closely related to the penetration state of welding process, and is also closely related to various welding dynamic changes. The rule can be obtained by feature extraction and classification, and it is better to predict different penetration states. However, there are still many problems from offline analysis to online real-time monitoring. Owing to the complexity of the welding process, the real-time online monitoring of the fusion state in the welding process requires that the model has a good robustness and adaptability.