开孔曲面自动铺放轨迹规划算法研究

doi:10.7527/S1000-6893.2013.0286

材料工程与机械制造

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开孔曲面自动铺放轨迹规划算法研究

李俊斐, 王显峰, 肖军

南京航空航天大学材料科学与技术学院, 江苏南京 210016

收稿日期:2012-08-02 修回日期:2012-10-05 出版日期:2013-07-25 发布日期:2012-10-09
通讯作者: 肖军 E-mail:j.xiao@nuaa.edu.cn
作者简介:李俊斐,男,博士研究生。主要研究方向:复合材料自动铺放CAD/CAM技术。Tel:025-84892980,E-mail:lijunfei@nuaa.edu.cn;王显峰,男,博士,副教授。主要研究方向:复合材料成型、铺放轨迹控制。Tel:025-84892980-805,E-mail:wangxf@nuaa.edu.cn;肖军,男,硕士,教授,博士生导师。主要研究方向:先进复合材料设计、制造及自动化装备技术。Tel:025-84892980-801,E-mail:j.xiao@nuaa.edu.cn
基金资助:
民机预研专项;国家自然科学基金(50905088);国家科技重大专项(2010ZX04016-013);中央高校基本科研业务费专项资金(NS2012112);国家商用飞机制造工程技术研究中心创新基金项目(SAMC11-JS-07-222)

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

LI Junfei, WANG Xianfeng, XIAO Jun

College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Received:2012-08-02 Revised:2012-10-05 Online:2013-07-25 Published:2012-10-09
Supported by:
Technology Pre-research of Civil Aircraft; National Natural Science Foundation of China (50905088); National Science and Technology Major Project (2010ZX04016-013); The Fundamental Research Funds for the Central Universities (NS2012112); Fund of National Engineering and Research Center for Commercial Aircraft Manufacturing(SAMC11-JS-07-222)

摘要/Abstract

摘要：

为解决开孔曲面自动铺放轨迹规划问题,提出在前处理中将孔边界内外的曲面接合成完整曲面的方法,采用STL文件提取网格化曲面信息并重构开孔曲面拓扑,按照设定算法获得"连续"的铺放轨迹后,再按孔边对轨迹点进行信息整理得到后置处理所需的最终铺放轨迹点信息。研究了迭代法和投影法在轨迹线与孔边界交点的求取方法,综合比较2种算法的效率和精度后,发现投影法更适于开孔曲面的轨迹规划。根据上述算法,编写了基于VC++ 6.0平台的轨迹规划程序,以整体复合材料前机身为例进行算法验证,证明了提出的开孔曲面自动铺放轨迹规划算法的合理性和正确性。

关键词: 复合材料, 自动铺放, 轨迹规划, 开孔曲面, 边界处理

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

中图分类号:

V261
TP391

李俊斐, 王显峰, 肖军. 开孔曲面自动铺放轨迹规划算法研究[J]. 航空学报, 2013, 34(7): 1716-1723.

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.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

开孔曲面自动铺放轨迹规划算法研究

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

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