航空液压壳体零件三维设计变更检查及更改文件生成  

3D Design Modification Inspection and Change File Generation of Aviation Hydraulic Shell Parts

作　　者：刘洋洋 周来水[1] 黄斌达 LIU Yangyang;ZHOU Laishui;HUANG Binda(College of Mechanical and Electrical Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China;AVIC Jincheng Nanjing Engineering Institute of Aircaft System,Nanjing 211106,China)

机构地区：[1]南京航空航天大学机电学院,江苏南京210016 [2]航空工业金城南京机电液压工程研究中心,江苏南京211106

出　　处：《机械制造与自动化》2024年第4期129-133,共5页Machine Building & Automation

摘　　要：为了提升航空液压壳体零件三维设计变更检查的效率,并解决传统更改通知单信息表达不够直观的问题,设计了航空液压壳体零件三维设计变更检查自动化及更改信息可视化表达方案。研究基于图匹配的特征识别技术,定义设计特征最短搜索路径和主方向属性,提出基于特征匹配的更改信息识别办法,研究基于3DPDF的更改信息可视化表达技术,开发相应的系统,在提高更改检查效率的同时实现了更改信息的可视化表达。In order to improve the efficiency of 3D design change inspection for aviation hydraulic shell parts and resolve the intuitiveness of information expression of traditional change notice,a scheme of automatic 3D design change inspection and visual expression of change information for aviation hydraulic shell parts was designed.The feature recognition technology based on graph matching was studied,the shortest search path and main direction attribute of design features were defined,the change information recognition method based on feature matching was proposed,the change information visualization representation technology based on 3DPDF was studied,and the corresponding system was developed,which not only improved the efficiency of change detection,but also realized the visual representation of change information.

关 键 词：航空液压 壳体零件 设计特征 变更检查 3DPDF 

分 类 号：V214.3[航空宇航科学与技术—航空宇航推进理论与工程]