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 arithmetic realized the feature extraction of the weld seam Image.

并最终实现了对焊缝图像的特征提取。

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。

The large degree of deformation of the metal in the weld seam is the key caused the weld stripes.

焊缝区金属变形程度大是产生焊合纹的关键；

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。

The framework of weld seam is put forward by use of skeleton and thinning method in mathematical morphology.

并利用了数学形态学中的骨架细化提出焊缝的骨架。

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。

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。

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。

The crystallizing morphology on the weld seam was equiaxed grains and dendrites and that on the fusion area were columnar crystals.

焊缝区组织主要为等轴晶和树枝柱状晶，熔合区组织主要为柱状晶。

In this paper, it has been realized the recognition for weld seam and its initial position in local environment with visual method.

采用视觉方法实现在局部环境中对焊缝及其起始点的识别。

It analyses quadratic phase stainless and its metal compound generated from weld seam and HAZ, which affect welded pipe usage property.

分析了双相不锈钢及其焊缝和热影响区中产生的金属间化合物等二次相对焊管使用性能的影响。

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。

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。

Fatigue beaked on weld seam more than other places. Fatigue crack initiation occurred inside materials and fatigue fracture was analyzed by SEM.

疲劳试验发现，疲劳试样断裂位置多发生在焊缝处，并对疲劳断口进行了SEM分析。

The gap control device to ensure the weld seam welding space meet the requirements, diameter, misalignment and weld gap have been strictly controlled.

采用焊缝间隙控制装置来保证焊缝间隙满足焊接要求，管径，错边量和焊缝间隙都得到严格的控制。

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。

The welding pool image processing arithmetic is predigested because that the intent of welding pool image processing is getting the breadth of weld seam.

根据熔池图像的检测主要是获得焊缝宽度，对熔池的图像处理方法进行了简化。

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 tracking system combines sutra PID control and ambiguous control to automatic tracking to the outside weld seam and improve the tracking system accuracy.

该系统采用经典PID控制和模糊控制结合的方法对外焊缝进行自动跟踪，提高了系统精度。

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；