Using a seam auto - tracking technique with arc sensor, seam tracking experiments for circumferential lap weld of automobile air storage vessel have been performed in this paper.

采用电弧传感式焊缝自动跟踪技术，对汽车贮气筒环缝搭接进行了自动跟踪工艺试验，并对影响跟踪效果和焊缝质量的因素进行了分析。

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This paper gives an example of weld-seam correction system of arc robot. It analyzes the principle of weld-seam correction and welding signal detection.

本文以弧焊机器人的焊缝纠偏系统为例，分析了焊接纠偏以及焊接信号检测的原理。

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Welding process will produce a strong arc, splash, dust interference, and this seriously affected the gain of the weld seam feature points.

焊接过程中会产生强烈的弧光、飞溅和烟尘干扰等噪声，严重影响了焊缝特征点的获取。

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