How reliable do fibre Bragg grating patches perform as strain sensors?

被引：2
|
作者：
Schlueter, Vivien Gisela [1 ]
Kusche, Nadine [1 ]
Habel, Wolfgang R. [1 ]
机构：
[1] BAM Fed Inst Mat Res & Testing, Div Measurement & Testing Technol 8 1, D-12205 Berlin, Germany
来源：
FOURTH EUROPEAN WORKSHOP ON OPTICAL FIBRE SENSORS | 2010年 / 7653卷
关键词：
fibre Bragg grating; patch; strain gauge; strain transfer characterization; temperature sensitivity;
D O I：
10.1117/12.864460
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In Germany, the first guideline for the use of fibre Bragg grating strain sensors, "Optical Strain Sensor based on Fibre Bragg Grating" [1], has been developed by the GESA guideline group of VDI "The Association of German Engineers" and published by Beuth Verlag. This guideline provides the basic specifications of these sensor types and the sensor characteristics which have to be known for a reliable sensor performance. In conformity to this guideline, experimental investigations on the strain transfer characteristics of fibre Bragg grating patches have been carried out. A comparison between patches and resistance strain gauges during tensile tests and combined temperature and tensile loading was carried out. The evaluated strain gauge factor and the temperature sensitivity of the strain gauge factor have been compared to the manufacturer's data. The overall performance of the patches has been evaluated. The experimental investigations showed that there are partial disagreements between the manufacturer's specifications and the observed characteristics.
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页数：4
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