光纤束传感器测量轴系扭转振动的研究  

Research on torsional-axial vibration measurement using fiber-optic bundle sensor

作　　者：孔祥洪[1] 段发阶[1] 李孟麟[1] 欧阳涛[1] 

机构地区：[1]天津大学精密测试技术及仪器国家重点实验室,天津300072

出　　处：《传感器与微系统》2011年第1期10-12,15,共4页Transducer and Microsystem Technologies

摘　　要：介绍了一种运用光纤束传感器结合双条纹编码盘、测量轴系扭振的系统。论述了该测量系统的实现原理、系统构成、采样时间对扭振测量精度的影响,以及系统误差。将该系统在某型号航空设备上进行模拟实验,验证了该测量系统具备高精度、安装方便、抗干扰能力强等优点,对于回转机械的扭振检测和故障诊断具有很好的实用价值。A torsional-axial vibration measurement system using the combination of fiber-optic bundle sensor and encoding disk is intorduced. The principle, system structure, the impacts of sampling time on measurement precision, as well as systematic errors are discussed. The system was installed on the real aviation equipment for simulation. The results prove the system has advantage of high precision, easy to install and strong ability of anti- interference. The system has practical value on the detection of torsional vibration and fauh diagnosis on rotating machinery.

关 键 词：激光 光纤束传感器 扭振 角速度 

分 类 号：TN247[电子电信—物理电子学]