Low-cost 2D fiber-based displacement sensor

被引：0

作者：

Casalicchio, M. L. ^{[1
]}

Olivero, M. ^{[1
]}

Penna, A. ^{[1
]}

Perrone, G. ^{[1
]}

Vallan, A. ^{[1
]}

机构：

[1] Politecn Torino, Dept Elect & Telecommun, I-10129 Turin, Italy

来源：

2012 IEEE INTERNATIONAL INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE (I2MTC) | 2012年

关键词：

Structural Health Monitoring (SHM); Plastic Optical Fiber (POF); Displacement Sensor; Condition-Based Maintenance (CBM); OPTIC SENSORS;

D O I：

暂无

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：

A displacement sensor for two-dimensions crack monitoring, based on plastic optical fibers, is analyzed. The device, resembling a conventional crack gage based on sliding plates, exploits the power attenuation of facing fibers with displacement. The use of multi-core fibers allows for a compact form factor and easy assembling of the packaged sensor. Simulations have been carried out to validate the detection algorithm, which retrieves the displacement from the power collected by three receiving fibers. Experimental tests, performed on a prototype made by 980 mu m-core fibers, exhibit good agreement with the simulations and prove the sensor can measure displacements on an area of 1 mm(2) with an uncertainty better than 40 mu m.

引用

页码：2078 / 2082

页数：5

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