Experimental results showed that reasonable defocusing value should be adopted in order to get better weld seam shaping quality.
结果表明：只有采用合适的离焦量，才有可能获得较好的焊缝成形质量。
Measurement algorithm of V-groove weld seam is developed.
开发了针对V型坡口的焊缝测量算法。
The paper has analyzed the content about image processing in the weld seam tracking system.
在此对焊缝自动跟踪系统中有关图像处理方面的内容作了一些分析。
Specially suitable for zinc patching of weld seam in tube welding line, and capacitor spray.
本套设备尤其适合于高频焊管生产线上进行焊缝的补锌及电容喷涂。
Notethe coating thickness of weld seam should be not less than 80% of coating thickness on pipe body.
焊缝处的防腐层厚度，不得低于管本体防腐层规定厚度的80%。
It puts forward a conception of weld inclusions crack index so as to better control quality of weld seam.
为了更好地控制焊缝质量，提出了焊缝夹杂物裂纹指数的概念。
Aimed at spirally welded steel pipe, a visual sensor for automatic weld seam tracking system is developed.
针对螺旋埋弧焊钢管外焊，研制了一种基于视觉传感的焊缝自动跟踪系统。
The weld seam is a space curve and it gets information from structured laser sensor by user's controlling.
小范围焊缝模型定义为一条空间曲线，通过控制结构光传感器运动，来获取焊缝的三维信息。
According to the traits of weld image, algorithm library is built to process image to detect the weld seam.
结合焊缝坡口图像的特点，开发了一套焊缝检测的图像处理算法。
A method combining teaching and visual correction for weld seam tracking is presented to realize robotic automatic welding.
给出了一种示教与纠偏相结合的焊缝跟踪方法，用于实现机器人的自动焊接。
In this paper, a weld seam image real-time acquisition and processing system based on adjustable laser vision sensor is developed.
本文研究了一套基于激光结构光视觉传感的焊缝图像实时采集和图像处理系统。
This paper discusses the reason of scratch in the weld seam border of large OD. welded steel pipe, and analyses the method to reduce it.
讨论了大直径焊管焊缝边缘引起划痕的原因，分析减少焊缝边缘划痕的方法。
The internal stress is consisting of circumferential stress and axial stress, from which the compound stress of the weld seam is derived.
该内应力由环向应力和轴向应力构成，据此推导出了焊缝处的合成应力。
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。
Effects of welding parameters on the penetration of austenitic stainless steel A-TIG weld seam with the home-made active flux were carried out.
利用自制的活性剂，考察了焊接工艺参数对奥氏体不锈钢A-TIG焊焊缝熔深的影响。
Both experimental results and trial production demonstrated it operates reliably and smoothly, with high level of weld seam tracking precision.
焊接实验和试生产结果证明，样机运行平稳、可靠，具有很好的跟踪精度。
Then the accurate three-dimension position of the edge points in the weld seam can be obtained from them by using information fusion algorithm.
对这三组坐标进行信息融合，可以更加精确的获得特征点的空间坐标。
And so, trustworthy basis is provided for the investigation on reducing the strip breaking at weld seam by Miebach welder in cold strip rolling.
为减少米巴赫焊机焊缝在冷连轧时断带的研究提供可靠依据。
This research is mainly addressed on solving the weld seam tracing problems existing in design of wheel mobile robot based spherical tank welding robot.
主要研究以轮式移动机器人为本体的球罐焊接机器人的焊缝跟踪问题。
There are two types of cracks in the area next to weld seam of annular chains for mining during welding process, ie, teared type and punctured type cracks.
本文对矿用圆环链临焊缝部位在焊接过程中产生的裂纹进行了分析。
The paper introduces the basic principle, structure and distinguishing tactics of the weld seam defects distinguishing expert system based on neural network.
介绍了基于神经网络的焊缝缺陷识别专家系统的基本原理、结构和识别策略。
It was shown that after the ZA alloy was processed by TIG welding, the weld seam consists mainly of columnar dendrites and a small amount of equiaxial crystals;
结果显示，新型模具ZA合金用TIG方法进行焊接，焊缝组织形态主要是柱状树枝晶和少量的等轴晶；
In the welding process, it is very important for welding torch automatically tracking the weld seam to assure welding quality and improve welding automation level.
焊接过程中焊炬自动跟踪焊缝对保证焊接质量，提高自动化程度有着极其重要的实际意义。
The TIG welding pool calculator image detecting system can effectually detect the breadth of weld seam by contrasting the data of detecting with the data of experiment.
通过与熔池图像对应的实际焊缝宽度对比，该TIG焊熔池计算机图像检测系统能够比较好的检测到焊缝宽度信息。
The Beamlet transform was introduced to detect the line segment characteristic of the structured light in the image to identify the position of the weld seam effectively.
为有效提取图像中结构光线性特征以确定焊缝位置，引入了束波变换。
As the requirement and characteristics existing in weld seam tracking for spherical tank welding robot as concerned, a visual sensor based on linear CCD has been developed.
根据球罐焊接机器人焊缝跟踪的要求和特点，设计了一种基于线阵CCD的视觉传感器。
From the weld seam tracking research results both at home and abroad, we can see obviously that the developing trend in the future shall be basically by means of visual sensor.
综合国内外焊缝跟踪研究成果不难看出，未来的发展趋势将以视觉传感器为主。
This paper applies the digital image processing to the welding workpiece picture, which is shot by CCD video camera in natural light, and detects the weld seam characteristics.
运用数字图像处理的方法，对电荷耦合器(CCD)摄像头在自然光下拍摄的焊接工件图像进行焊缝特征提取。
Analyses the cause for the crack resulting from the non-fusion in the longitudinal weld seam of a power plant boiler cylinder, and suggests corrective actions to eliminate the defect.
针对一台电站锅炉锅筒纵焊缝未融合引起的裂纹进行分析，并提出缺陷修复的办法。
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