doi:10.3850/978-981-08-7723-1_P149


Image Detection of Seam Line for Laser Welding Robot


Akihiko Matsushita1,a, Takafumi Morishita1, Shun’ichi Kaneko1, Hitoshi Ohfuji2 and Kaoru Fukuda2

1Graduate school of information science and technology, Hokkaido university, Kita-14, Nishi-9, Kita-Ku, Sapporo, 060-0814, Japan.

aMatsushita@ssi.ist.hokudai.ac.jp

2SANKO-STEEL, Zenibako 3-515-1,Otaru, Hokkaido, 047-0261 Japan

ABSTRACT

A robust image detection method of seam lines is propsed for hand-eye laser welding system equipped with an optical microscope and a CMOS camera. The seam line is detected indirectly to utilize the difference between local and global distribution of image of measurement lasers.


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