Lag Time and Working Frequency of FBG Strain Sensor

Li Sun; Hong Nan Li; D.Z. Liang; J. Fang

doi:10.4028/www.scientific.net/KEM.381-382.505

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 381-382Lag Time and Working Frequency of FBG Strain...

Lag Time and Working Frequency of FBG Strain Sensor

Abstract:

This paper investigates the lag time and the highest working frequency of Fiber Bragg Grating strain sensor in which strain wave transfers to bare FBG by analyzing the transmit course of the strain wave. The results show that the FBG strain sensor is applicable to the measurement of low frequency vibration in engineering. As its application, FBG strain sensors are used in the shake table test of offshore platform model and show good capability in measuring the dynamic strain of vibration system with low frequency.

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Periodical:

Key Engineering Materials (Volumes 381-382)

Pages:

505-508

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.381-382.505

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Online since:

June 2008

Authors:

Li Sun, Hong Nan Li, D.Z. Liang, J. Fang

Keywords:

Fiber Bragg Grating (FBG), Frequency, Lag Time, Measurement of Dynamic Strain, Strain Sensor

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References

[1] Brian Culshaw: Smart Structures and Materials, London: Artech House (1996).

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[2] E. Rivera, D. J. Thomson: Proceeding of SPIE, San Diego, Vol. 5384-33 (2004).

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[3] Li Sun, Hongnan Li, Tong Zhu, Liang Ren: J of vibration and shock, Vol. 25, No. 3 (2006), pp.29-34. Fig. 5 Offshore platform model in experiment Fig. 6 Strain induced by sine wave.

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