| 基于扫描线点云的飞机蒙皮修配量提取方法 |
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| 引用本文： | 杨角龙,黄翔,李泷杲,熊天辰,赵子越.基于扫描线点云的飞机蒙皮修配量提取方法[J].航空制造技术,2019,62(10):73-77. |
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| 作者姓名： | 杨角龙 黄翔 李泷杲 熊天辰 赵子越 |
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| 作者单位： | 南京航空航天大学机电学院,南京,210016;江西航天海虹测控技术有限责任公司,南昌,330024;航空工业北京长城计量测试技术研究所,北京,100095 |
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| 摘 要： | 针对飞机蒙皮数控加工时需要精确修配量的问题,提出了一种基于扫描线点云的飞机蒙皮修配量提取方法。首先对点云进行分块处理并通过点到拟合平面的距离提取每条扫描线的边界特征点;然后采用弦高法对特征点进行去噪处理并选取中间点作为初始点向两侧进行排序;最后对蒙皮对接模型和激光扫描边界进行分析,将特征点延着对接方向进行补偿。试验验证表明,该方法可以提取精确的修配量,精度达到0.06mm,满足蒙皮数控加工的需求。
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| 关 键 词： | 数控加工 修配量 特征点 扫描线点云 弦高差法 |
Method for Extracting Repair Amount of Skin Seam Based on Scan Line Point Cloud |
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| YANG Jiaolong,HUANG Xiang,LI Shuanggao,XIONG Tianchen,ZHAO Ziyue.Method for Extracting Repair Amount of Skin Seam Based on Scan Line Point Cloud[J].Aeronautical Manufacturing Technology,2019,62(10):73-77. |
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| Authors: | YANG Jiaolong HUANG Xiang LI Shuanggao XIONG Tianchen ZHAO Ziyue |
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| Institution: | (College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics,Nanjing 210016, China;Department of Manufacturing , Jiangxi Aerospace Haihong Test & Control Co., Ltd., Nanchang 330024, China;AVIC Beijing Changcheng Institute of Metrology & Measurement, Beijing 100095, China) |
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| Abstract: | YANG Jiaolong;HUANG Xiang;LI Shuanggao;XIONG Tianchen;ZHAO Ziyue(College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics,Nanjing 210016, China;Department of Manufacturing , Jiangxi Aerospace Haihong Test & Control Co., Ltd., Nanchang 330024, China;AVIC Beijing Changcheng Institute of Metrology & Measurement, Beijing 100095, China) |
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| Keywords: | Numerical control machining Repair amount Feature point Scan line point cloud Chord heightdifference method |
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