CAJ | 학술논문

介绍了逆向工程的基本知识，飞机曲面数据采集的一般流程；提出了点云数据预处理算法实现方法，包括点云滤波算法、点云数据精简算法和基于奇异值分解法的多视点云拼接算法，通过对数据的预处理，大部分数据噪声得以消除，数据量进一步简化，多视点云数据实现空间配准；研究了飞机曲面重建的数据处理流程，对飞机机体进行若干分区，按照点、线、面的建模处理流程对每个区进行独立建模；最后以Catia逆向建模模块对某型样机点云数据处理流程为例，详细探讨了飞机曲面重建的流程和精度验证等方法。实践证明，本文介绍的算法和处理方法切实有效，建模数据准确可靠。
개소료역향공정적기본지식，비궤곡면수거채집적일반류정；제출료점운수거예처리산법실현방법，포괄점운려파산법、점운수거정간산법화기우기이치분해법적다시점운병접산법，통과대수거적예처리，대부분수거조성득이소제，수거량진일보간화，다시점운수거실현공간배준；연구료비궤곡면중건적수거처리류정，대비궤궤체진행약간분구，안조점、선、면적건모처리류정대매개구진행독립건모；최후이Catia역향건모모괴대모형양궤점운수거처리류정위례，상세탐토료비궤곡면중건적류정화정도험증등방법。실천증명，본문개소적산법화처리방법절실유효，건모수거준학가고。
This paper introduces the basics of reverse engineering , the general flow of aircraft surface data collection;raised the point cloud data preprocessing algorithm , including point cloud filtering algorithms , point cloud data reduction algorithm based on singular value decomposition and multi -view cloud splicing algorithm by preprocessing the data , most of the data to eliminate noise , the a-mount of data to further simplify , multi-view spatial cloud data registration;to study the aircraft surface reconstruction of data pro-cessing , to carry out a number of airframe partition , in accordance with point line , surface flow modeling process conducted independ-ently for each zone modeling;and finally to Catia reverse modeling module prototype for a certain type of point cloud data processing , for example, discussed in detail the procedures to verify the accuracy of other methods to achieve the aircraft surface reconstruction practice has proved that the algorithm and processing methods described in this article to be effective , accurate and reliable data mod-eling.