CAJ | 학술논문

针对航空发动机振动数据高速实时监测频谱要求较高的问题，通过提高频谱线数进而提高频谱分辨率开发了一套12通道的具备信号采集、信号监测、频谱分析、数据存储、数据查询和生成报表等功能的航空附件传动机匣振动测试系统。该系统即能进行实时高速频谱分析，又能实时查询振动烈度趋势。保证显示器频谱刷新速度的基础上系统软件的实时频谱分析的线数至少为6400线。对提高故障诊断的实时性与精确性具有重要意义。
침대항공발동궤진동수거고속실시감측빈보요구교고적문제，통과제고빈보선수진이제고빈보분변솔개발료일투12통도적구비신호채집、신호감측、빈보분석、수거존저、수거사순화생성보표등공능적항공부건전동궤갑진동측시계통。해계통즉능진행실시고속빈보분석，우능실시사순진동열도추세。보증현시기빈보쇄신속도적기출상계통연건적실시빈보분석적선수지소위6400선。대제고고장진단적실시성여정학성구유중요의의。
A set of twelve channels vibration measurement system of accessory gearbox for aero-engine is developed to solve the problem of high-speed real-time monitoring spectrum of aero-engine vibration data, which has signal acquisition, signal monitoring, spectrum analysis, data storage, data query and reporting capabilities. The system can perform high-speed real-time frequency analysis and real-time query vibration severity trend whose number of lines in real-time frequency analysis at least reach to 6400,which greatly im-prove the real-time performance and accuracy of fault diagnosis.