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Published in:
2012 | OriginalPaper | Chapter
The Design of FBG Strain Sensors Based on Data Acquisition System
Authors : Liumin Wang, Bo Mo, Fuxiang Liu
Published in: Practical Applications of Intelligent Systems
Publisher: Springer Berlin Heidelberg
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This design of the demodulation system of the wavelength information of the FBG strain sensor was based on data acquisition system of DSP and FPGA, which can realize real-time detection and analysis of the multi-point strain. FBG strain sensor is an optical passive instrument. Through the demodulation analysis of the wavelength drift, the variation of corresponding strain can be calculated. This design includes: the demodulation principle of FBG strain sensor, the components of demodulation system, hardware design and analysis of experimental data.