建立了一套以计算机视觉焊缝正面检测为基础的脉冲tig焊熔池宽度变化过程的实验检测系统。
A set of experimental measurement system to the chang process for impulse TIG welding pool width has been established based on contact measurement in front of weld by visual computers.
不论熔透控制还是焊缝跟踪，都需要实时或离线提取焊接熔池正面或反面的几何参数。
It is necessary to extract molten pool geometrical parameters in real time or to extract back bead width off-line either in seam tracking or in penetration control.
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