含孔曲面自动铺丝轨迹规划算法

冉庆波; 肖鸿; 杨富鸿; 段玉岗

doi:10.7527/S1000-6893.2021.25602

航空学报 >

2022 , Vol. 43 >Issue 9: 425602 - 425602

DOI: https://doi.org/10.7527/S1000-6893.2021.25602

材料工程与机械制造

含孔曲面自动铺丝轨迹规划算法

冉庆波 ,
肖鸿 ,
杨富鸿 ,
段玉岗

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西安交通大学机械工程学院，西安 710049

收稿日期: 2021-03-30

修回日期: 2021-04-20

网络出版日期: 2021-05-20

基金资助

国家自然科学基金(52075424)

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Trajectory planning algorithm for automatic wire laying on perforated surface

RAN Qingbo ,
XIAO Hong ,
YANG Fuhong ,
DUAN Yugang

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School of Mechanical Engineering, Xi 'an Jiaotong University, Xi 'an 710049, China

Received date: 2021-03-30

Revised date: 2021-04-20

Online published: 2021-05-20

Supported by

National Natural Science Foundation of China (52075424)

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摘要

针对现有开孔轨迹规划算法存在无法适应复杂曲面、计算效率较低、无法解决复合材料大型开孔构件自动铺丝轨迹规划的问题，首先对含孔曲面进行拓扑重构，基于纤维丝轨迹与近似孔中心点的几何关系确定需进行裁剪的纤维丝轨迹，降低算法计算量；其次针对开孔边界交点问题提出基于孔边界的交点求解算法，在满足精度要求的前提下可大幅度提升算法效率；然后针对纤维丝轨迹孔边界处理问题提出基于切线法的延长算法，以高效进行开孔边界处理；最后通过软件开发实现了提出的算法，并在多种构件模型上进行铺丝路径规划和实际铺放实验，验证了算法的效率和正确性。

关键词： 复合材料; 自动铺丝; 轨迹规划; 含孔曲面; 软件开发

本文引用格式

冉庆波 , 肖鸿 , 杨富鸿 , 段玉岗 . 含孔曲面自动铺丝轨迹规划算法[J]. 航空学报, 2022 , 43(9) : 425602 -425602 . DOI: 10.7527/S1000-6893.2021.25602

Abstract

Existing hole trajectory planning algorithms cannot adapt to complex surfaces. With low computational efficiency, the methods cannot solve the problem of trajectory planning in automatic wire laying for large-scale composite components with openings. Firstly, the topology of the open hole surface is reconstructed based on the geometric relationship between the filament trajectory and the approximate hole center, and the trajectory of the fiber to be cut is determined to reduce the calculation amount of the algorithm. Secondly, for the intersection problem of the opening boundary, an intersection algorithm based on the opening boundary is proposed to improve the efficiency of the algorithm on the premise of meeting accuracy requirements Then, for the problem of filament trajectory hole boundary processing, an extension algorithm based on the tangent method is proposed to process the hole boundary efficiently Finally, the algorithm proposed in this paper is implemented by software development, and the efficiency and correctness of the algorithm are verified by wire laying path planning and actual laying experiments on a variety of component models.

Key words： composite material; automatic wire laying; trajectory planning; perforated surface; software development

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