The image processing technology is used in the automaticcontrol system to realize the non-touching measurement of position signal instead of the traditional position measure methods.
The automaticcontrol system of circular seam welding process for non - rotated pipeline was developed in the paper.
建立了非旋转管道环缝焊接自动控制系统，并介绍了其系统结构和工作原理。
3
New concept DMS will be able to make the supervising and control of non-steady process easy and flexible, moreover, it keep the ability to process in automatic and large batch way.