基于双目视觉的纬编双轴向壳体复合材料纱线取向检测方法

doi:10.11896/cldb.21110125

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Abstract The local fiber orientation of fiber reinforced composites is critical to the mechanical properties of composites. To ensure the performance of composite parts and achieve efficient fiber orientation detection of composites’ surface, a low-cost yarn orientation reconstruction system for the composite parts’ surface was developed based on binocular structured light detection technology. Firstly, the position of the turntable axis in the world coordinate system was calibrated. Secondly, the prepared sample was placed on the turntable to acquire its three-dimensional graphic information, and the contour information of warp and weft yarn in each collection result was extracted. Then, the filtered local data were combined to obtain the overall graphic information of the sample and the spatial path of the yarn. Finally, the coverage of yarn path recognition and the accuracy of graphic data were evaluated, and the source of error was analyzed. The experimental data shows that the coverage of the reconstructed yarn path was 80%, and the error rate of the graphic data was less than 0.2%. The results indicate that the designed binocular structured light measurement system is effective and feasible, which can provide support for product quality control and technical process design.

Key words： binocular vision structured light textile composites yarn orientation non-destructive testing image processing

Published: 25 July 2023 Online: 2023-07-24

CLC number:

V250.2

Fund:China Scholarship Council (202008120134), Aeronautical Science Foundation of China(201829Q2002) and Natural Science Foundation of Tianjin (18JCZDJC10020).

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	Articles by authors
	XIANG He
	JIANG Yaming
	YANG Chen
	ZHOU Yiying

Cite this article:

XIANG He,JIANG Yaming,YANG Chen, et al. Yarn Orientation Detection Method of Biaxial Weft Knitted Composites Based on Binocular Vision System[J]. Materials Reports, 2023, 37(14): 21110125-6.

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http://www.mater-rep.com/EN/10.11896/cldb.21110125 OR http://www.mater-rep.com/EN/Y2023/V37/I14/21110125

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