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1·The results of the simulation show that the shape of the weld pool is typically oval.

计算结果表明：钛合金电子束焊接时，熔池呈典型的卵形分布。

2·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。

3·The foundation of the future research of weld pool image processing and weld bead control was established.

为进一步进行熔池图像处理和焊缝成型控制的研究奠定了基础。

4·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。

5·A mathematical model has been established for fluid flow and heat transfer in weld pool with a deformed surface.

建立了熔池表面存在变形的流场与热场的数学模型。

6·A fast algorithm of image processing was designed for extracting the shape parameters of the weld pool in real time.

设计了快速图像处理算法，满足在实际焊接过程中提取熔池形状参数的要求。

7·An approach is proposed that this deviation can be obtained by using the weld pool image centroid and a Kalman filter.

为此提出一种利用熔池图像质心和卡尔曼滤波来间接获取电弧与焊缝偏差的方法。

8·An image detect system with near infrared CCD for monitoring the copper weld pool on the surface of steel was established.

建立了一个近红外CCD熔池动态信息的图像检测系统，用于钢表面铜熔池视觉信息的检测。

9·A three-dimensional numerical analysis model of fluid flow and heat transfer in pulsed current TIG weld pool is developed.

对运动电弧作用下脉冲t IG焊接熔池流场与热场动态变化过程建立了三维数学模型。

10·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。