基于变精度粗糙集的脉冲GTAW过程建模方法
Modeling method for pulsed GTAW welding process based on variable precision rough set
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摘要: 采用变精度粗糙集方法对脉冲GTAW过程进行建模,获取能预测熔池背面宽度的动态模型,并对该建模方法的主要步骤和关键问题做了阐述。结果表明,该模型具有足够的精度,能满足焊接应用的需要。该方法拓展了粗糙集理论的应用领域,并为焊接建模提供了一种新方法,具有较大的应用潜力。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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