本文介绍了高频焊螺旋翅片管焊过程实时专家控制的设计思想及实现技术 ,着重阐述了其工作原理 ,知识库的建立及推理方法。提出了应用高级语言VisualBasic和数据库知识进行系统实现 ,得到相关参数并通过PC机与PLC控制器之间的数据通讯 ,从而实现对高频焊接过程的实时控制 This paper introduces the design idea and realization technology of real-time expert control of high-frequency welding spiral fin tube welding process, emphatically expounds its working principle, knowledge base establishment and reasoning method. Put forward the application of high-level language VisualBasic and database knowledge for system implementation, get the relevant parameters and through PC and PLC data communication between controllers, in order to achieve real-time control of high-frequency welding process