虚拟仪器在焊接质量分析中的应用

Application of virtual instrument on the quality analyse of welding

虚拟仪器作为计算机测试和控制的前沿技术,已逐渐应用于焊接技术中。焊接过程中的焊接电流和焊接电压信号是决定焊接质量的关键,可运用虚拟仪器对采集到的焊接电信号进行统计分析,实现了焊接质量分析。介绍了虚拟仪器的概念,基本的技术方案及在焊接质量分析中的应用情况。

Virtual instrument is an advanced technique for computer test and control,it has applicated on the welding technique gradually.The welding current and welding voltage signals in real-time are the key factors to decide the quality of welding ,and virtual instrument is used to statistical analysis for the collected welding electrical signals, it can achieve quality analyse of welding.This paper introduces the concept of Virtual instrument ,basic technology program ,and application condition of it on the quality analyse of welding.