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Proceedings Paper

Distributed strain measurement system in one-dimensional by means of multipoint FBG sensing
Author(s): Hao Yin; Jun Zhu; Haiyu Tang; Hui Wang; Zhao Zhang; Tao Shui; Benli Yu
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Paper Abstract

In this paper, we described a distributed strain measurement scheme in one-dimensional. The sensing information of FBG is demodulated by a CCD spectrometer, the discrete strain is achieved by fitting and processing discrete signal demodulated utilizing labVIEW virtual instrument technology. Then it could be achieved by Using polynomial fitting method to one-dimensional discrete strain distributed detection. Experimentally, measurement was implemented in Cantilever to prove the system performance. The experimental result shows that the system can reflect the strain distribution in one-dimensional and an order strain modal characteristics of cantilever accurately. The detection system can achieve real-time and dynamic measurements, the response time for 2kHz, the response accuracy for 4μ(epsilon).

Paper Details

Date Published: 27 February 2014
PDF: 8 pages
Proc. SPIE 9044, 2013 International Conference on Optical Instruments and Technology: Optical Sensors and Applications, 90441C (27 February 2014); doi: 10.1117/12.2037714
Show Author Affiliations
Hao Yin, Anhui Univ. (China)
Jun Zhu, Anhui Univ. (China)
Haiyu Tang, Anhui Univ. (China)
Hui Wang, Anhui Univ. (China)
Zhao Zhang, Anhui Univ. (China)
Tao Shui, Anhui Univ. (China)
Benli Yu, Anhui Univ. (China)

Published in SPIE Proceedings Vol. 9044:
2013 International Conference on Optical Instruments and Technology: Optical Sensors and Applications
Brian Culshaw; Xuping Zhang; Anbo Wang, Editor(s)

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