Turbine rotor dynamic balance vibration measurement based on the non-contact optical fiber grating sensing

被引：5
|
作者：
Li, Tianliang [1 ]
Tan, Yuegang [1 ]
Zhou, Zude [1 ]
Cai, Li [1 ]
Wei, Lai [1 ]
机构：
[1] Wuhan Univ Technol, Sch Mech & Elect Engn, Wuhan 430070, Hubei, Peoples R China
来源：
IEICE ELECTRONICS EXPRESS | 2015年 / 12卷 / 12期
关键词：
turbine rotor; FBG; non-contact; vibration sensor; DISPLACEMENT; SENSOR;
D O I：
10.1587/elex.12.20150380
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper has presented a non-contact vibration sensor based on fiber Bragg grating (FBG) sensing, and applied to measure vibration of turbine rotor dynamic balance platform. The principle of the sensor has been introduced; it's based on magnetic coupling principle and the FBG sensing to obtain the vibration. The sensors calibration experiments show that: sensitivity of 1st sensor in range of 3.00-3.80 mm is -449.83 pm/mm, linearity is 5.19%; sensitivity of 2nd sensor in range of 4.00-5.00 mm is -430.95 pm/mm, linearity is 3.31%. In addition, turbine rotor dynamic vibration detection system based on eddy current displacement sensor and non-contact FBG vibration sensor have set; and contrast analysis of experiments data shows that: the vibration signal analysis of non-contact FBG vibration sensor is basically the same as the result of eddy current displacement sensor. It verified that the sensor can be used for non-contact measurement of turbine rotor dynamic balance vibration.
引用
收藏
页码：1 / 12
页数：12
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