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题名: Monitoring of GMAW weld pool from the reflected laser lines for real-time control
作者: Wang ZZ(王振洲)
作者部门: 机器人学研究室
关键词: Computer vision ; Image segmentation ; Monitoring
刊名: IEEE Transactions on Industrial Informatics
ISSN号: 15513203
出版日期: 2014
卷号: 10, 期号:4, 页码:2073-2083
收录类别: SCI ; EI
产权排序: 1
摘要: 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.
WOS记录号: WOS:000344995800010
WOS标题词: Science & Technology ; Technology
类目[WOS]: Automation & Control Systems ; Computer Science, Interdisciplinary Applications ; Engineering, Industrial
关键词[WOS]: THRESHOLD SELECTION ; SURFACE ; GEOMETRY
研究领域[WOS]: Automation & Control Systems ; Computer Science ; Engineering
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/15281
Appears in Collections:机器人学研究室_期刊论文

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