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Blade tip timing vibration monitoring method based on fiber Bragg grating

机译：基于光纤布拉格光栅的叶尖正时振动监测方法

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摘要

The ventilators have been vividly called “the lungs of mine”. The rotating blades are the core parts of a ventilator, they can influence the safety and reliability of the ventilator. This paper will use the tip-timing method based on the fiber Bragg grating magnetically coupling sensor to study and analyze the ventilator blade vibration, in order to realize long-distance and non-contact real-time online safety monitoring of blade vibration. Compared with the electronic sensorand fiber intensity reflective sensor, the fiber grating coupling magnetic sensor has such advantages as explosion-proof, working at harsh environment with humid air, dust and greasy dirt, capable of achieving long-distance signal transmission, and joining easily with other fiber Bragg grating sensors to form a network in order to achieve multi-parameter distributed online monitoring.
机译：呼吸机被形象地称为“我的肺”。旋转叶片是通风机的核心部件，它们会影响通风机的安全性和可靠性。本文将基于光纤布拉格光栅磁耦合传感器的尖端定时方法来研究和分析通风机叶片的振动，以实现对叶片振动的远程和非接触式实时在线安全监测。与电子传感器和光纤强度反射传感器相比，光纤光栅耦合磁传感器具有防爆，在潮湿空气，灰尘和油污等恶劣环境下工作，能够实现长距离信号传输，易于连接的优点。其他光纤布拉格光栅传感器组成一个网络，以实现多参数分布式在线监测。

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