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1.南京航空航天大学 机电学院, 江苏 南京 210016
2.上海宇航系统工程研究所, 上海 201109
[ "雷金周(1988-), 男, 河南信阳人, 2014年于河南科技大学获得学士学位, 主要研究方向为视觉测量。E-mail:charmlei1988@163.com" ]
叶南(1982-), 男, 安徽芜湖人, 2004年、2011年于南京航空航天大学分别获学士、博士学位, 主要从事机器视觉检测、三维数字化测量、逆向工程方面的研究工作。E-mail:yen@nuaa.edu.cn YE Nan E-mail:yen@nuaa.edu.cn
收稿日期:2017-07-03,
录用日期:2017-8-18,
纸质出版日期:2018-03-25
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雷金周, 曾令斌, 叶南. 工业机器人单目视觉对准技术研究[J]. 光学 精密工程, 2018,26(3):733-741.
Jin-zhou LEI, Ling-bin ZENG, Nan YE. Research on industrial robot alignment technique with monocular vision[J]. Optics and precision engineering, 2018, 26(3): 733-741.
雷金周, 曾令斌, 叶南. 工业机器人单目视觉对准技术研究[J]. 光学 精密工程, 2018,26(3):733-741. DOI: 10.3788/OPE.20182603.0733.
Jin-zhou LEI, Ling-bin ZENG, Nan YE. Research on industrial robot alignment technique with monocular vision[J]. Optics and precision engineering, 2018, 26(3): 733-741. DOI: 10.3788/OPE.20182603.0733.
针对工业机器人精确对准问题,提出了一种基于单目视觉的工业机器人对准技术。该技术把工业机器人与单目视觉测量技术相结合,根据特制的手眼标定板,快速建立单目视觉测量系统与机器人上对准轴之间的手眼关系和对准的基准位姿;在对准环节,通过单目视觉系统获取工件目标的姿态,然后根据已有的手眼关系和基准位姿,求解在机器人基坐标系下机器人末端的对准轴的位置调整量,迭代调整机器人末端位姿,从而实现了机械人末端的对准轴与工件目标的精确对准。实验结果表明:在测量距离约是150 mm处,对准平均精度优于0.2°。
Aiming at the problem of precise alignment of industrial arm
an industrial robot alignment method based on monocular vision is proposed. Combining the industrial robot with monocular vision measurement and a specialized hand-eye calibration panel
the method is able to quickly establish the hand-eye relationship between the camera coordinate system and the alignment axis on the robot's end-effector. In the alignment stage
the attitude of the workpiece is obtained by monocular vision system
and then according to the existing hand-eye relationship and datum posture
the position and orientation between the alignment axis and the workpiece of the alignment axis are evaluated. The experimental results show that the average precision of the alignment is better than 0.2° under the measuring distance of 150 mm.
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