CASIA OpenIR  > 复杂系统管理与控制国家重点实验室  > 先进机器人
An initial point alignment and seam tracking system for narrow weld
Fan JF(范俊峰)1,2; Deng S(邓赛)1,2; Jing FS(景奉水)1,2; Zhou C(周超)1,2; Yang L(杨磊)1,2; Long T(龙腾)1,2; Tan M(谭民)1,2
Source PublicationIEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
2019
Issue1Pages:1-10
Abstract

Recently, laser vision sensors are widely applied in initial point alignment and seam tracking to improve the level of intelligent welding because of good characteristics. However, since the deformation of laser stripe is unobvious at the narrow weld with 0.2mm width, these methods are not applicable for the narrow weld. Moreover, there are rare researches could achieve initial point alignment and seam tracking of narrow weld simultaneously. Therefore, an initial point alignment and seam tracking system for narrow weld is proposed in this paper. At first, a laser vision sensor with extra LED light is used to obtain laser and weld seam image. Besides, the seam feature point is extracted and three dimensional (3D) coordinates could be obtained with vision model. In addition, three controllers including decision controller, initial point alignment controller and seam tracking controller are proposed to achieve initial point alignment and seam tracking control in X and Z axis directions. What’s more, feature verification, Kalman Filter (KF) and output pulse verification are designed to improve the accuracy and stability of this system. Finally, many initial point alignment and seam tracking experiments of narrow weld are conducted. Experiment results demonstrate that proposed system could well achieve initial point alignment and seam tracking of planar and curved surface narrow weld.

KeywordInitial Point Alignment, Seam Tracking, Narrow Weld, Laser Vision Sensor, Robot Welding
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/23922
Collection复杂系统管理与控制国家重点实验室_先进机器人
Corresponding AuthorJing FS(景奉水)
Affiliation1.中国科学院自动化研究所
2.中国科学院大学
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Fan JF,Deng S,Jing FS,et al. An initial point alignment and seam tracking system for narrow weld[J]. IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS,2019(1):1-10.
APA Fan JF.,Deng S.,Jing FS.,Zhou C.,Yang L.,...&Tan M.(2019).An initial point alignment and seam tracking system for narrow weld.IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS(1),1-10.
MLA Fan JF,et al."An initial point alignment and seam tracking system for narrow weld".IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS .1(2019):1-10.
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