| 大功率激光焊机焊缝质量参数的提取方法 |
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| 引用本文： | 陈海永,李江威,李练兵,孙鹤旭.大功率激光焊机焊缝质量参数的提取方法[J].电焊机,2010,40(11). |
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| 作者姓名： | 陈海永 李江威 李练兵 孙鹤旭 |
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| 作者单位： | 河北工业大学,控制科学与工程学院,天津,300130 |
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| 基金项目： | 河北自然科学基金资助项目(F2010000160) |
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| 摘 要： | 提出大功率激光焊机焊缝的图像处理和质量参数特征的提取方法,有效地克服了环境的各种干扰,可靠地得到了质量参数。通过一套具有工业显微镜头的CCD视觉系统,实现了微细焊缝的结构光光带的采集。根据其区域的背景和前景图像亮度差别较大的特点,提出一个基于最优阈值分割的光条细化算法,确定了光条在图像平面的变形,从而提取出焊缝质量参数,如熔宽、错边及余高等。实验结果证明了该方案切实可行,结果满意。
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| 关 键 词： | 激光焊缝 线型结构光 图像处理 质量参数 |
A quality parameter extracting method for the seam of high power laser welder |
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| CHEN Hai-yong,LI Jiang-wei,LI Lian-bing,SUN He-xun.A quality parameter extracting method for the seam of high power laser welder[J].Electric Welding Machine,2010,40(11). |
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| Authors: | CHEN Hai-yong LI Jiang-wei LI Lian-bing SUN He-xun |
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| Affiliation: | CHEN Hai-yong,LI Jiang-wei,LI Lian-bing,SUN He-xun (School of Control Science , Engineering,Hebei University of Technology,Tianjin 300130,China) |
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| Abstract: | A scheme of image processing and quality parameters feature extraction has been developed for the high power laser welding seam,it effectively overcomes the various disturbances of the environment and welding seam's parameters are got reliably.The line structured light stripe of micro weld is got used a CCD camera with industrial microscope lens.According to the difference of background and foreground image in the area of the line structured light stripe being great,we propose a strip thinning algorithm bas... |
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| Keywords: | laser welding seam line structure light image processing quality parameter |
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