| Citation: | ZHAO An'an, HE Daliang, WANG Han, et al. Automatic paving path planning method on complex surfaces[J]. Journal of Beijing University of Aeronautics and Astronautics, 2022, 48(4): 595-601. doi: 10.13700/j.bh.1001-5965.2020.0619(in Chinese)
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Automated fiber placement is an advanced automatic manufacturing technology for composite materials, which is widely used in manufacturing composite components with complex shapes. However, the compaction quality of the fiber in the area of large curvature is poor. In addition, it is difficult to satisfy the directional deviation and the turning radius of the placement path at the same time, resulting in various placement defects. In this paper, the influence of surface curvature on path performance is studied and a new path planning method for complex surfaces with area partition is established. The distance between roller and the mold surface is used to estimate the fiber compaction quality and the fiber number placed simultaneously can be calculated by the surface curvature. The local direction deviation and steering radius are evaluated during the path generation process, and a new sector is partitioned when the evaluation results are out of constraints. The method fully considers the influence of compaction quality, direction deviation and turning radius on paving path, so that the placement quality and efficiency of the entire curved surface can be ensured. Simulations and experiments are completed on the winglet surface to verify the path planning method, and the results show that, by the proposed method, satisfactory component placement quality can be obtained on complex surface.
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