用于薄结构振动测量的分布式光纤模态传感器的初探  

Study on Optical Fiber Modal Sensor Used for Vibration Measurement ofThin Structures

作　　者：周玲[1] 郑莹娜[1] 司徒忠[1] 王晓慧[1] 

机构地区：[1]广东工业大学信息工程学院

出　　处：《广东自动化与信息工程》2002年第1期46-48,共3页Guangdong Automation & Information Engineering

基　　金：广东省自然科学基金资助项目(20000035)

摘　　要：虽然应变传感器己广泛用于弹性振动的动态测量中,但当被测结构为薄结构时,应变幅值很小,需要检测元件有极高的灵敏度,而现有的测试方法和仪器难以满足要求。基于曲率变形的分布式光纤传感测量方法的提出使薄结构振动模态检测的研究有了新的突破和发展前景。Although strain sensors have been used extensively for dynamic control of elastic vibrations, strain is difficult to measure in thin structures since extreme sensitivities are often required. An optical fiber distributed sensing strategy has been proposed for vibration mode measurement of thin structure based on the distributed measurements and the geometric curvature changes of the optical fiber in this paper.

关 键 词：分布式光纤模态传感器 薄结构 振动测量 

分 类 号：TP212.14[自动化与计算机技术—检测技术与自动化装置]