本文对国内外焊接过程熔深控制技术进行了系统的研究,分析了各种熔深检测方法的优缺点,着重介绍了视觉传感检测法,同时对多种熔深控制方法进行讨论,重点研究智能控制方法的应用。最后,分析了熔深控制技术目前存在的问题,并对其应用前景和发展趋势作出了展望。 This paper systematically studies the welding penetration control technology at home and abroad, analyzes the advantages and disadvantages of various penetration detection methods, focuses on the visual sensing detection method, discusses a variety of penetration control methods, focusing on Application of intelligent control method. Finally, the existing problems of penetration control technology are analyzed, and the prospect of its application and development trend are also prospected.