Citation: | GAO Shi-yi, YANG Yong-qiang, Yang Kai-zhen. Defect detection of laser welding seam of unequal-thickness blank based on structured light vision[J]. LASER TECHNOLOGY, 2011, 35(4): 440-443. DOI: 10.3969/j.issn.1001-3806.2011.04.002 |
[1] |
GU H,DULEY W W.A gap-detection technique for laser beam butt welding[C]//Laser Materials Processing Conference.Dearbom,USA:Lsser Institute of America,2000:E11-E16.
|
[1] |
LI L,BROOKFIELD D J,STEEN W M.Plasma charge sensor for inproceas,non-contact monitoring of the laser welding process[J].Measurement Science and Technology,1996,7(4):615-626.
|
[2] |
CHEN W Zh,JIA L,ZHANG X D,et al.Coaxial vision sensing syetem and detection of penetration status in CO2 laser welding[J].Applied Laser,2004,24(3):130-134(in Chinese).
|
[3] |
ZHANG X D,CHEN W Zh,LIU Ch,et al.Coaxial monitoring and penetration control in CO2 laser welding(I)-Penetration status characteristics and coaxial monitoring[J].Transactiona of the China Welding Institution,2004,25(4):25-28(in Chinese).
|
[4] |
ZHENG Q G,CU J H,WANG T.Investigation on melting pool behavior and defects of laser welding[J].Laser Technology,2000,24(2):90-94(in Ounese).
|
[5] |
GAO Sh Y,ZHAO M Y,ZHANG L,et al.Dual-beam structured light vision system for 3-D coordinates measurement[C]//lnielligent Control and Automation 7th World Congress.Chongqing,China:IEEE,2008:3687-3691.
|
[6] |
ZHANG G J,TIAN X.SUuctured light 3-d vision and its industry application[J].Journal of Beijing University of Aeronautics and Astronautica,1996,22(6):650-654(in Chinese).
|
[7] |
ZHANG L.Research on robotic laser welding inspection based on machine vision[D].Shenyang:Shenyang Institute of Automation,Chinese Academy of Sciences,2008:80-90(in Chinesc).
|
[8] |
GAO Sh Y,WU R M,CHEN W D.The developing state about the of the technologies of laser welding process and the welded seam detection[J].World Iron & Steel,2010,10(3):51-54(in Chinese).
|
[9] |
ZHANG Zh Y,MEMBER S.A flexible new technique for camera calibration[J].IEEE Transaction on Pattem Analy8ia and Machine Intelligence,2000,22(11):1330-1334.
|
[10] |
WEI Zh Zh,ZHANG G J,XU Y.Calibration approach for structured-lightd-stripe visiori sensor[J].Chinese Journal of Mechanical Engineering,2005,41(2):210-214(in Chinese).
|