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Monitoring of GMAW weld pool from the reflected laser lines for real-time control
Wang ZZ(王振洲)
Department机器人学研究室
Source PublicationIEEE Transactions on Industrial Informatics
ISSN1551-3203
2014
Volume10Issue:4Pages:2073-2083
Indexed BySCI ; EI
EI Accession number20144600207604
WOS IDWOS:000344995800010
Contribution Rank1
KeywordComputer Vision Image Segmentation Monitoring
Abstract

Controlling the welding process by monitoring the weld pool surface becomes more and more popular in robotic arc welding. In this paper, we propose a monitoring system to infer the P-gas metal arc welding (GMAW) weld pool geometry from the reflected laser lines, which are projected onto the specular weld pool and reflected onto a diffusive plane. The parallel straight lines are distorted according to the shape of the weld pool and thus contain the weld pool's shape information. Accurately computing the equations of the imaged laser lines in the world coordinate system is critical for the subsequent weld pool shape estimation. This paper focuses on accurately segmenting and identifying the reflected laser lines and novel image processing algorithms are proposed to fulfill this specific task. Experimental results verified the effectiveness of the proposed algorithms.

Language英语
WOS HeadingsScience & Technology ; Technology
WOS SubjectAutomation & Control Systems ; Computer Science, Interdisciplinary Applications ; Engineering, Industrial
WOS KeywordThreshold Selection ; Surface ; Geometry
WOS Research AreaAutomation & Control Systems ; Computer Science ; Engineering
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/15281
Collection机器人学研究室
Corresponding AuthorWang ZZ(王振洲)
AffiliationState Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
Recommended Citation
GB/T 7714
Wang ZZ. Monitoring of GMAW weld pool from the reflected laser lines for real-time control[J]. IEEE Transactions on Industrial Informatics,2014,10(4):2073-2083.
APA Wang ZZ.(2014).Monitoring of GMAW weld pool from the reflected laser lines for real-time control.IEEE Transactions on Industrial Informatics,10(4),2073-2083.
MLA Wang ZZ."Monitoring of GMAW weld pool from the reflected laser lines for real-time control".IEEE Transactions on Industrial Informatics 10.4(2014):2073-2083.
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