关键词: 复合材料, 自动铺丝, 轨迹规划, 含孔曲面, 软件开发

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