飞机结构试验异常声源数据库设计与应用  

Design and Application of Abnormal Sound Source Database in Aircraft Structural Strength Test

作　　者：刘思扬[1] 韩凯[1] Liu Siyang;Han Kai(Aircraft Strength Research Institute o f China, Xiran 710065, Shaanxi, China)

机构地区：[1]中国飞机强度研究所,陕西西安710065

出　　处：《工程与试验》2017年第3期65-68,共4页Engineering and Test

摘　　要：在飞机结构强度试验中,飞机结构异常声源数据量较大,访问降噪处理后所得的数据文件难度较高,降低了结构损伤分析效率。为了解决上述问题,本文采用MATLAB GUI与SQLServer数据库连接的方法,对异常声源特征矩阵转置并结构化存储。结果表明,该方法提升了声源特征数据访问速度,且降低了人工处理数据时的失误率,提升声源数据利用率30%左右,为飞机结构异响分析提供了技术保障。It is difficult to use sound source data from the aircraft structural strength test,so that the structure damage cannot be analyzed effectively.To solve this problem,MATLAB GUI is connected with SQLServer database to achieve the transposition and structural storage of the feature matrix of abnormal sound source data.The results show that the accessing efficiency of sound source data can be improved and the error rate during manual processing can be reduced in the new database.Besides,the utilization ratio of sound source data can be increased by30%,which provides technological benefits for the analysis of structure abnormal sound.

关 键 词：异常声源 飞机结构强度试验 数据库 

分 类 号：V216.11[航空宇航科学与技术—航空宇航推进理论与工程]