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Proceedings Paper

Closed-loop fiber optic gyroscope with homodyne detection
Author(s): Yong Zhu; BingKun Qin; Shufen Chen
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Paper Abstract

Interferometric fiber optic gyroscope (IFOG) has been analyzed with autocontrol theory in this paper. An open-loop IFOG system is not able to restrain the bias drift, but a closed-loop IFOG system can do it very well using negative feedback in order to suppress zero drift. The result of our theoretic analysis and computer simulation indicate that the bias drift of a closed-loop system is smaller than an open- loop one.

Paper Details

Date Published: 24 September 1996
PDF: 8 pages
Proc. SPIE 2895, Fiber Optic Sensors V, (24 September 1996); doi: 10.1117/12.252203
Show Author Affiliations
Yong Zhu, Beijing Institute of Technology (China)
BingKun Qin, Beijing Institute of Technology (China)
Shufen Chen, Beijing Institute of Technology (China)

Published in SPIE Proceedings Vol. 2895:
Fiber Optic Sensors V
Kim D. Bennett; Byoung Yoon Kim; Yanbiao Liao, Editor(s)

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