Field trials of fiber Bragg grating settlement sensors in high-speed railways

被引：0
|
作者：
Lu, Xianglin [1 ]
Gong, Yuan [1 ]
Zheng, Xiangliang [1 ]
Du, Lei [1 ]
Wu, Yu [1 ]
Li, Dengyong [1 ]
Liu, Li [1 ]
Yao, Yao [1 ]
Xiao, Song [1 ]
Deng, Zhong [1 ]
Rao, Yunjiang [1 ]
机构：
[1] Univ Elect Sci & Technol China, Educ Minist China, Key Lab Opt Fiber Sensing & Communicat, Chengdu 610054, Sichuan, Peoples R China
来源：
22ND INTERNATIONAL CONFERENCE ON OPTICAL FIBER SENSORS, PTS 1-3 | 2012年 / 8421卷
关键词：
fiber Bragg grating; settlement sensor; high-speed railway; TEMPERATURE;
D O I：
10.1117/12.975243
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
Novel fiber Bragg gratings (FBG) based settlement sensors are developed and the sensing performance is evaluated in both the lab and field environments. The settlement is determined by precisely measuring the pressure of the water level difference. The experimental results indicated that the sensor has good linearity, good repeatability and high accuracy in the settlement measurements. The influence of temperature fluctuations on the sensor's performance is eliminated and long-term test results proved the good stability of better than +/- 0.1% of the sensor. Such a FBG sensing system has been applied to monitor the settlement of high-speed railways in practice.
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页数：4
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