开孔曲面自动铺放轨迹规划算法研究

doi:10.7527/S1000-6893.2013.0286

Abstract

Abstract:

A novel algorithm is presented to generate the trajectories for surfaces with holes during the process of automated tape laying (ATL) and automated fiber placement (AFP). In preprocessing, the surfaces in and out of the hole boundaries should be joined into a whole surface without any holes. The surface information can be obtained by STL (Stereo Lithography) files, and the topological reconstruction method is introduced for surfaces with holes as well. Then the "constant" trajectories can be planned within a chosen algorithm in the very whole surface, and the messages of trajectory points should be refined by the outlines of the hole boundaries. For boundary treatment, two methods are proposed: the "iteration method" and the "projection method". Their efficiency and precision are discussed, and the projection method is found to be more appropriate. Finally, the algorithm is realized by VC++ 6.0 programming, and verified on a composite front fuselage. The results show that the method is valid and effective.

Key words: composite materials, automated tape laying, trajectory planning, surface with holes, boundary treatment

CLC Number:

V261
TP391

LI Junfei, WANG Xianfeng, XIAO Jun. Research on Trajectory Planning Method of Automated Tape Laying and Automated Fiber Placement for Surfaces with Holes[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2013, 34(7): 1716-1723.

References

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Research on Trajectory Planning Method of Automated Tape Laying and Automated Fiber Placement for Surfaces with Holes

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