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Neural network modeling for weld shape process of P-GMAW

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【作者】 闫志鸿吴林张广军高洪明

【Author】 Yan Zhihong, Wu Lin, Zhang Guangjun and Gao Hongming Yan Zhihong, Wu Lin, Zhang Guangjun and Gao Hongming, State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin, 150001.

【机构】 State Key Laboratory of Advanced Welding Production Technology Harbin Institute of Technology Harbin 150001State Key Laboratory of Advanced Welding Production Technology Harbin Institute of Technology Harbin 150001

【摘要】 Weld shape control is a fundamental issue in automatic welding. In this paper, a double side visual system is established for pulsed gas metal arc welding (P-GMAW), and both topside and backside weld pool images can be captured and stored continuously in real time. By analyzing the weld shape regulation with the molten metal volume, some topside weld pool characterized parameters (WPCPs) are proposed for determining penetration in butt welding of thin mild steel. Moreover, some BP network models are established to predict backside weld pool width with welding parameters and WPCPs as inputs.

【Abstract】 Weld shape control is a fundamental issue in automatic welding. In this paper, a double side visual system is established for pulsed gas metal arc welding (P-GMAW), and both topside and backside weld pool images can be captured and stored continuously in real time. By analyzing the weld shape regulation with the molten metal volume, some topside weld pool characterized parameters (WPCPs) are proposed for determining penetration in butt welding of thin mild steel. Moreover, some BP network models are established to predict backside weld pool width with welding parameters and WPCPs as inputs.

  • 【文献出处】 China Welding ,中国焊接(英文版) , 编辑部邮箱 ,2007年01期
  • 【分类号】TG44
  • 【被引频次】5
  • 【下载频次】78
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