高精度非接触测量转速新方法研究  

Research for new method for high-precision non-contact measurement of rotate speed

作　　者：刘岩[1] 左春柽[1] 张玉梅[1] 栗利刚[1] 

机构地区：[1]吉林大学机械科学与工程学院

出　　处：《微计算机信息》2008年第4期72-73,79,共3页Control & Automation

基　　金：教育部博士基金项目(20040183057)

摘　　要：本文研究一种高精度非接触测量转速的新方法,用激光CCD位移传感器采集数据,用小波多频分析方法对信号的低频信号和高频噪声进行分离,依据奈奎斯特采样定理将分离后的低频信号进行频率提取,得到要测量的转速。实验证明该测量方法有很好的实用价值。This paper explores a kind of new method of high-precision non-contact measurement of rotate speed, to acquire data with a laser CCD displacement sensor, and separate the low-frequency signal and high-frequency noise of the signal with the small-wave multi-frequency analysis method, to pick up the frequency for the separated low-frequency signal as the Nquist sampling theorem, to get the rotate speed to be measured. The experiment has proved this measurement method has the very good feasibility and effectiv...

关 键 词：激光CCD 非接触测量 多频分析 转速 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]