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首页> 外文期刊>Aerospace >Calibration of a Load Measurement System for an Unmanned Aircraft Composite Wing Based on Fibre Bragg Gratings and Electrical Strain Gauges
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Calibration of a Load Measurement System for an Unmanned Aircraft Composite Wing Based on Fibre Bragg Gratings and Electrical Strain Gauges

机译：基于光纤布拉格光栅和电应变仪的无人机复合翼的负荷测量系统的校准

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摘要

This paper presents the issues concerning calibration of a measurement system for monitoring the cross-sectional forces and moments of an unmanned aircraft’s wing. A composite cantilever wing with built-in measurement systems based on electrical resistance and Fibre Bragg Grating strain gauges has been made for the purpose of the study. Measurement systems placed along the span of the wing consist of strain gauges arranged in a manner that allows the monitoring of shear force, bending and twisting moments. The calibration process was described in terms of both experimental tests and mathematical formalism. The calibration results were compared for the complete system, consisting of three sensor units, and for various combinations of separated measuring points. For each case, a reading inaccuracy analysis was carried out and conclusions, including recommendations for the design of this kind of measurement system, were formulated.
机译：本文介绍了关于监测无人机翼的横截面力和矩的测量系统的校准问题。为该研究的目的，已经为基于电阻和光纤布拉格光栅应变仪的内置测量系统的复合悬臂翼。沿着机翼跨度放置的测量系统由以允许监测剪切力，弯曲和扭转时刻的方式布置的应变仪组成。根据实验测试和数学形式主义描述了校准过程。将校准结果与三个传感器单元组成的完整系统进行比较，以及用于分离的测量点的各种组合。对于每种情况，开展了阅读不准确分析并结论，包括用于设计这种测量系统的建议。

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