Strain transferring analysis of fiber Bragg grating sensors
作者： Dongsheng Li , Hongnan Li , Liang Ren , Gangbing Song
DOI: 10.1117/1.2173659
关键词:
摘要: We develop an analytical model for the relationship between strain measured by a fiber Bragg grating sensor and actual structural strain. The values of average transfer rates calculated from agree well with available experiment data. Based on model, critical adherence length optical can be is determined lag parameter, which contains both effects geometry relative stiffness components. analysis shows that sensing segment minimum must tightly bonded to structure adequate sensing. rate embedded in multilayered developed similar way, factors influence efficiency transferring are discussed. It concluded sensed magnified factor (strain rate) equal This interest application sensors.
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