An initial point alignment method of narrow weld using laser vision sensor
Fan JF(范俊峰)1,2; Jing FS(景奉水)1,2; Yang L(杨磊)1,2; Long T(龙腾)1,2; Tan M(谭民)1,2
发表期刊The International Journal of Advanced Manufacturing Technology
2019
卷号102期号:1-4页码:201-212
摘要

In this paper, an initial point alignment method of narrow weld using laser vision sensor is presented on the basis of the relationship between the feature point of laser stripe and initial point. The whole initial point alignment process contains two stages. At the first stage, the initial point image is captured, and the image coordinates of the feature point of laser stripe and initial point are obtained. At the second stage, according to the relationship between the feature point of laser stripe and initial point, the three-dimensional (3D) coordinates of initial point could be determined to achieve initial point alignment. The initial point alignment method mainly includes vision sensing and motion control two parts. Firstly, a new laser vision sensor with a uniform LED surface light source is developed to capture the high signal-to-noise ratio (SNR) image including narrow weld, and the feature point of laser stripe and initial point are detected using the image processing method. Secondly, initial point alignment control system including feature verification and controller is designed to achieve initial point alignment control. Finally, a series of initial point alignment experiments of straight and curve narrow weld are conducted to test the performance of the proposed method. Experimental results indicate the alignment error is less than previous methods, which could be used in automatic welding process.

关键词Initial Point Alignment Image Processing Laser Vision Sensor Narrow Weld Welding Robot
语种英语
WOS记录号WOS:000463670200015
七大方向——子方向分类多模态智能
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/23529
专题复杂系统管理与控制国家重点实验室_先进机器人
通讯作者Jing FS(景奉水)
作者单位1.中国科学院自动化研究所
2.中国科学院大学
第一作者单位中国科学院自动化研究所
通讯作者单位中国科学院自动化研究所
推荐引用方式
GB/T 7714
Fan JF,Jing FS,Yang L,et al. An initial point alignment method of narrow weld using laser vision sensor[J]. The International Journal of Advanced Manufacturing Technology,2019,102(1-4):201-212.
APA Fan JF,Jing FS,Yang L,Long T,&Tan M.(2019).An initial point alignment method of narrow weld using laser vision sensor.The International Journal of Advanced Manufacturing Technology,102(1-4),201-212.
MLA Fan JF,et al."An initial point alignment method of narrow weld using laser vision sensor".The International Journal of Advanced Manufacturing Technology 102.1-4(2019):201-212.
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