Modeling method for pulsed GTAW welding process based on variable precision rough set
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Graphical Abstract
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Abstract
Considering the characters of welding process, a VPRS (variable precision rough set)modeling method is proposed for pulsed GTAW welding process.The VPRS model that can predict the backside width of welding pool is obtained.The main procedure of the modeling method and the key problems are expatiated.The result shows that the precise and complexity of the model is acceptable.
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