基于模型驱动的激光跟踪扫描测量仪自动曲面测量技术
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Automatic curved-surface measurement technology using laser tracking scanners based on model-driven approach
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    摘要:

    针对飞机装配过程中大量曲面部件的外形轮廓快速检测需求,提出了一种基于激光跟踪扫描仪的自动测量方法,首先通过对象模型提供的理论定位点将测量设备与被测对象坐标系对齐,其次按照对象的被测曲面特征要求,规划设备的测量路径并自动采集完整的对象被测曲面特征数据,之后将实测数据与理论数模再次精细对齐,最终计算曲面轮廓偏差。利用直径为4 m的大型旋转抛物曲面进行实验,结果表明:该方法显著提升了测量的自动化水平,与传统人为控制的测量方法相比,扫描效率提升约30%,且测量结果一致,为推动航空设备曲面部件几何量高效检测技术发展提供了有力支撑。

    Abstract:

    To address the demand for rapid profile inspection of a large number of curved-surface components during aircraft assembly, the research team proposed an automated measurement method based on a laser tracking scanner. First, the coordinate systems of the measuring equipment and the measured object are aligned using the theoretical positioning points provided by the object model. Second, the measurement path of the equipment is planned according to the requirements of the measured curved-surface features of the object, and the complete feature data of the measured curved-surface of the object are automatically collected. Then, the measured data are finely aligned with the theoretical digital model for a second time. Finally, the deviation of the curved-surface profile is calculated. An experiment was conducted using a large-scale rotating paraboloid with a diameter of 4 meters. The results show that this method significantly improves the level of measurement automation. Compared with the traditional manual measurement method, the scanning efficiency is increased by approximately 30%, and the measurement results are consistent. This study provides strong support for advancing the development of high-efficiency geometric quantity inspection technology for curved-surface components of aviation equipment.

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李严, 张伟, 孙安斌, 范帅鑫, 孟宇航.基于模型驱动的激光跟踪扫描测量仪自动曲面测量技术[J].计测技术,2026,46(2):90~100:
10.11823/j. issn.1674-5795.2026.02.07.

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  • 在线发布日期: 2026-06-18
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