In order to control the quality of welding by image processing and pattern recognition, the clear image of the welding pool of aluminum alloy and the information of the welding pool must be obtained.
为了采用图像处理与模式识别的方法对铝合金的焊接质量进行智能控制，必须获取铝合金焊接熔池的清晰图像，然后提取焊接熔池的信息。
The plasma cloud charge sensor was applied to detect the status of keyhole molten pool during pulsed plasma arc welding, furthermore, the detected signals were studied.
将等离子云传感器应用于脉冲等离子弧焊穿孔熔池小孔状态检测，并对检测信号的波形特征做了深入研究。
Welding defects such as collapse of molten pool, burning through, would like to happen in the high efficient gas shielded metal arc welding.
应用高效的气体保护熔化极电弧焊焊接铝合金薄板时，容易出现熔池下塌、烧穿等焊接缺陷。
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。
Through analysis on inside weld forming and welding procedure of SSAW pipe, it pointed out weld crack is easy to appear in brittle temperature zone in welding pool.
通过对螺旋埋弧焊管内焊缝成型和焊接过程的分析，指出焊缝裂纹易产生在焊接熔池脆性温度区。
Obtaining the dynamic characteristic information of molten pool and intelligent controlling in the welding process are focus of research in welding field.
焊接过程熔池动态特征信息获取与智能控制一直是焊接界研究的前沿课题。
A neural network method was used to process image of welding pool and the result of detecting the edge of binary image with BP neural network was excellent.
探索了将神经网络用于焊接熔池图像处理的方法，采用BP神经网络对二值化熔池图像进行边缘提取，取得了理想的效果。
In this paper, the problem of welding pool dynamic vibration was investigated by elastic dynamic theory.
采用弹性体力学理论，对焊接熔池波动力学进行了探讨。
The passive visual sensing method was successfully applied to detect the image of weld pool in CO2 welding.
应用被动式视觉传感方法进行CO2焊焊接熔池的形状检测。
Based on these fuzzy control forms, weld pool width is easily controlled by adjusting welding current.
以焊接电流为控制量，可以根据此控制作用表对焊缝熔宽进行实时控制。
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.
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。
Quite molten pool, little spatter and no undercut ensure workpiece be in good welding appearance.
焊接熔池平静，飞溅小，不咬边，焊缝成形美观。
The GBE model for simulation of grain structures in welding pool is introduced.
介绍了焊接熔池组织模拟的GBE模型。
Weld spatter consists of particles of metal unintentionally ejected from the molten pool during welding and deposited on the surface of base or weld metal.
焊接溅落包括无意地从熔融池中溅出的金属颗粒并落到了母体金属或焊缝金属的表面。
By increasing the weld heat input, the distribution of martensite becomes more dispersive and glomerate due to the molten pool stiring, the welding stress and the burning loss of alloy elements.
随着焊接热输入量的增加，由于熔池搅拌、焊接应力、合金元素烧损等原因，马氏体的分布更加散乱和密集；
The main feature of the device is able to observe arc and molten pool directly in coaxial direction so that the welding process is easily controlled and alignment of weld can be warranted.
其装置特点是能够轴向直接观察电弧和熔池状态，从而便于控制焊接过程，保证焊缝的对中性。
This thesis researches the temperature field measurement of the welding of electron beam in the vacuum and laser welding pool.
论文着重研究了真空电子束钎焊的温度场和激光焊接熔池温度场的测量。
This paper studied the effects of weld pool surface deformation on welding arc behavior characters basing on unified arc pool mathematical model.
在电弧与熔池统一模型的基础上研究熔池上表面变形对电弧行为特征的影响。
Because prolific information can be got from the welding pool, the research on the sensing and control of the welding pool is one of the important fields in welding.
焊接熔池包含有丰富的信息，熔池传感与控制系统的研究是焊接研究一个重要领域。
Temperature measurement with colorimetric method by CCD has been used to measure the temperature of the laser welding pool.
采用CCD比色法测量系统对激光焊接熔池的温度场进行测量。
By analysis of the establishing process of the keyhole weld pool, the regularities of the welding parameters are obtained.
通过穿孔过程分解研究，揭示出焊接工艺参数在小孔稳定建立过程中的影响规律。
The effects of laser on plasma arc beam, welding depth and width of deposition pool in the hybrid plasma-laser rapid manufacturing is investigated by tests.
通过试验研究了等离子激光复合快速制造中激光对等离子弧柱形貌、熔积成形时的熔深和熔宽等的影响。
A robotic vision sensing system for taking and processing the image of MIG welding pool of aluminum alloy is established.
建立了用于铝合金脉冲MIG焊熔池图像检测的机器人视觉传感系统。
Computational results of welding arc and pool were close to those of the experiments.
结果表明：用数学模型模拟出的电弧行为特征以及熔池形状与试验结果相吻合。
The key to the surface height calculation of pulse GTAW welding pool based on shape from shading (SFS) is to build up a surface model of welding pool.
利用从阴影恢复形状方法计算熔池表面高度的关键是建立熔池表面反射模型。
The investigation of the relationships between weld pool shape parameters and welding process parameters may be beneficial to the quality control of CO2 welding.
在大量工艺实验的基础上，本文进一步研究了熔地形状参数与焊接规范参数之间的关系，从而为CO_2焊接质量控制奠定了基础。
The investigation of the relationships between weld pool shape parameters and welding process parameters may be beneficial to the quality control of CO2 welding.
在大量工艺实验的基础上，本文进一步研究了熔地形状参数与焊接规范参数之间的关系，从而为CO_2焊接质量控制奠定了基础。
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