基于非等距偏置的纤维铺放路径规划算法

doi:10.7527/S1000-6893.2014.0337

材料工程与机械制造

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基于非等距偏置的纤维铺放路径规划算法

阎龙¹, 王发展¹, 史耀耀²

1. 西安建筑科技大学机电工程学院, 西安 710055;
2. 西北工业大学机电学院, 西安 710072

收稿日期:2014-10-17 修回日期:2014-12-06 出版日期:2015-11-15 发布日期:2014-12-18
通讯作者: 阎龙,Tel.:029-82202528,E-mail:huanglong731@126.com E-mail:huanglong731@126.com
作者简介:阎龙,男,博士,讲师。主要研究方向:机电控制及自动化、CAD/CAM。Tel:029-82202528,E-mail:huanglong731@126.com;王发展,男,博士,教授,博士生导师。主要研究方向:先进功能材料的制备与研究。E-mail:wangfz10_1@163.com;史耀耀,男,博士,教授,博士生导师。主要研究方向:机电控制及自动化、CAD/CAM。Tel:029-88492851,E-mail:shiyy@nwpu.edu.cn
基金资助:
国家自然科学基金(51375394)

Path planning algorithm for fiber placement based on non-equidistant offsets

YAN Long¹, WANG Fazhan¹, SHI Yaoyao²

1. School of Mechanical Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China;
2. School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, China

Received:2014-10-17 Revised:2014-12-06 Online:2015-11-15 Published:2014-12-18
Supported by:
National Natural Science Foundation of China (51375394)

摘要/Abstract

摘要：

复合材料由于其高比强度、高比刚度、耐烧蚀、抗侵蚀等一系列优点,广泛地应用于航空、航天、汽车等领域。纤维铺放是实现复合材料成型的主要方法之一,同时也是近年来发展最快、最有效的先进制造技术。为实现构件(特别是复杂结构件)的成型制造,必须将材料精确地铺放到芯模表面。针对上述问题,根据微分几何理论提出了一种面向复杂曲面的路径规划算法。在确定压辊位置和方向的前提下,利用平面-曲面求交构造初始路径,并通过非等距偏置以获得覆盖整个芯模的全部路径。该方法所生成的压辊路径,不仅可使纤维完全贴合到芯模表面,还包含了铺放系统所需的丝数信息,理论上实现了构件的精确铺放成型。通过在MATLAB中进行路径仿真,验证了所提纤维铺放路径规划算法的正确性与有效性。

关键词: 复合材料, 纤维铺放, 微分几何, 路径规划算法, 丝束数目

Abstract:

Due to their high strength-to-weight and stiffness-to-weight ratios, ablative resistance and corrosion resistance, composite materials are widely used in aeronautics, astronautics and automation industries. Fiber placement is a key method for fabricating composite structures, which is also the fastest growing and most efficient composite manufacturing technique. To manufacture composites, especially complex structures, the materials must be placed on the mold precisely. To address this problem, a path planning algorithm for complex surface is proposed using the differential geometry. With the determined roller location and orientation, the initial path is constructed on the basis of surface-plane intersection strategy. Then, the roller paths, covering the whole mold, are formulated by offsetting surface curves non-equidistantly. The generated paths have a good performance in that not only are the tows placed on the mold completely, but also the tow-number information is included. Namely, the precise modeling of composite part is achieved in theory. By conducting path simulations in MATLAB, the validity of the path planning algorithm is verified.

Key words: composites, fiber placement, differential geometry, path planning algorithm, number of tows

中图分类号:

V261
TP391

阎龙, 王发展, 史耀耀. 基于非等距偏置的纤维铺放路径规划算法[J]. 航空学报, 2015, 36(11): 3715-3723.

YAN Long, WANG Fazhan, SHI Yaoyao. Path planning algorithm for fiber placement based on non-equidistant offsets[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2015, 36(11): 3715-3723.

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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

基于非等距偏置的纤维铺放路径规划算法

Path planning algorithm for fiber placement based on non-equidistant offsets

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