| 图像处理技术在板料激光弯曲中的应用 |
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| 引用本文： | 王秀凤,杨清凤,郭晓丽,蔡友贵,陈光南,Jürgen Silvanus. 图像处理技术在板料激光弯曲中的应用[J]. 材料科学与工艺, 2009, 0(4): 487-491 |
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| 作者姓名： | 王秀凤 杨清凤 郭晓丽 蔡友贵 陈光南 Jürgen Silvanus |
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| 作者单位： | 北京航空航天大学机械工程及自动化学院;中国科学院力学研究所;欧洲宇航防务创新集团; |
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| 基金项目： | 欧洲宇航防务创新集团(德国EADS Innovation works)资助项目 |
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| 摘 要： | 为了提高激光弯曲过程数值模拟结果的验证精度,用图像处理技术对铝合金板料AA6056进行了激光弯曲变形过程的实时测量.自行设计了硬件测量系统和软件的测试系统,使用MV21300UM CCD拍摄板料上测量点在激光照射过程中的动态变化过程,通过软件测试系统中实时采集软件记录动态变化过程、图像处理软件进行图像处理,得到了测量点动态变化的实测曲线.实测曲线表明,板料厚度对激光弯曲过程的位移变化影响较大,板料越薄,边界效应越明显,使得位移的变化曲线越易出现突变.实验结果证明该实测方案是可靠有效的.
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| 关 键 词： | 激光弯曲 实时测量 图像处理 |
Application of image processing technology in laser bending |
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| Affiliation: | WANG Xiu-feng1,2,YANG Qing-feng 1,GUO Xiao-li1,CAI You-gui1,CHEN Guang-nan2,JRGEN Silvanus3(1.School of Mechanical Engineering and Automation,BUAA,Beijing 100191,China 2.Institute of Mechanics,Chinese Academy of Science,Beijing 100080,China;3.EADS Innovation Works,Munich 81663,Germany) |
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| Abstract: | In order to improve the verified precision of numerical simulation on the laser bending process,real-time measurement of deformation for aluminium alloy AA6056 in laser bending process was carried out by image processing technology.Hardware and software measurement systems were designed.The dynamic displacement of measurement point during laser irradiation was photographed through MV21300UM CCD.The dynamic displacement was recorded by video capturing software and was processed by image processing software,a... |
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| Keywords: | laser bending real-time measurement image processing |
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