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Proceedings Paper

A novel method for measuring force vector using a fiber Bragg grating
Author(s): Qinchang Tu; Weigang Zhang; Guiyun Kai; Shuzhong Yuan; Xiaoyi Dong
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Paper Abstract

In this paper, we propose a novel and simple method to measure the force vector by bonding the uniform fiber Bragg grating along the erect main strain line of the structure. With the same direction but various magnitudes or with the same magnitude but different directions, the center wavelength and bandwidth may both change. Based on the different responses of the reflection spectrum, we can measure the direction as well as magnitude of various forces in theory. We also offer some elementary experiment results to demonstrate the feasibility of this sensing principle. The experimental results are in agreement with our theoretical analysis.

Paper Details

Date Published: 28 February 2005
PDF: 4 pages
Proc. SPIE 5649, Smart Structures, Devices, and Systems II, (28 February 2005); doi: 10.1117/12.582296
Show Author Affiliations
Qinchang Tu, Nankai Univ. (China)
Weigang Zhang, Nankai Univ. (China)
Guiyun Kai, Nankai Univ. (China)
Shuzhong Yuan, Nankai Univ. (China)
Xiaoyi Dong, Nankai Univ. (China)


Published in SPIE Proceedings Vol. 5649:
Smart Structures, Devices, and Systems II
Said F. Al-Sarawi, Editor(s)

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