Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15223
Title: Torsion measurement by using FBG sensors
Authors: Tian, X
Tao, X 
Issue Date: 2000
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, 2000, v. 4077, p. 154-164 How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
Abstract: In this paper we studied the potential of using FBG strain sensors to measure the torsion deformation theoretically and experimentally. FBG strain sensors are bonded on the surface of a shaft. When the shaft under torsion there is strain induced in the FBG sensor and the Bragg wavelength will shift accordingly. According to the wavelength shift and photoelastic properties of the FBG sensor bonded on the shaft the torsion deformation of the shaft can be obtained. In order to minimize the measurement error the optimal direction of the FBG sensor was obtained. The influence of the orientation deviation of the FBG sensor was discussed in detail. The feasibility of this method is demonstrated by experiment and the test results agree with the theoretical analysis very well.
Description: International Conference on Sensors and Control Techniques (ICSC 2000), Wuhan, China, 19-21 June 2000
URI: http://hdl.handle.net/10397/15223
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.385561
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