飞机静强度试验摄影测量系统的现场校准技术研究
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Research on on-site calibration technology of photogrammetry system for aircraft static strength test
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    摘要:

    针对飞机静强度试验中摄影测量系统无法适用现场校准方法与装置、复杂现场环境影响测量精度与效率等难题,提出多维度计量校准技术,构建碳纤维六面体框架实验室校准装置,实现高精度空间坐标传递,测量不确定度U为1.6 + (L / 300) μm,k = 2;辨识温湿度(10 ~ 30 ℃,10% ~ 90% RH)对测量精度的影响(最大相对误差为0.006 4%),采用蓝光照明降低光照干扰;并设计便携式现场校准器突破传统局限。试验结果表明:4.5 ~ 6.5 m测量范围内系统误差不超过± 0.3%,满足静强度试验需求,为摄影测量系统在静强度试验中的标准化应用提供技术支撑。

    Abstract:

    Aiming at the problems in photogrammetric systems for aircraft static strength tests, such as the lack of applicable on-site calibration methods and devices, and the impact of complex on-site environments on measurement accuracy and efficiency, this paper proposes a multi-dimensional metrological calibration technique. A laboratory calibration device with a carbon fiber hexahedral frame was constructed to realize high-precision spatial coordinate transmission, with a measurement uncertainty U equals 1.6 + (L / 300) μm, k = 2. The influence of temperature and humidity (10 ~ 30 ℃, 10% ~ 90% RH) on measurement accuracy (maximum relative error 0.006 4%) was identified, and blue light illumination was adopted to eliminate light interference. A portable on-site calibrator was designed to break through traditional calibration limitations. Test results show that within the measurement range of 4.5 ~ 6.5 m, the system error does not exceed ± 0.3%, which meets the requirements of static strength tests and provides technical guarantee for the standardized application of the photogrammetry system in static strength tests.

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崔岩梅, 周宁, 欧阳海宁, 尧建平, 高战朋, 唐薇.飞机静强度试验摄影测量系统的现场校准技术研究[J].计测技术,2026,46(2):171~179:
10.11823/j. issn.1674-5795.2026.02.15.

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  • 在线发布日期: 2026-06-18
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