24 September 1996 Closed-loop fiber optic gyroscope with homodyne detection
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Proceedings Volume 2895, Fiber Optic Sensors V; (1996); doi: 10.1117/12.252203
Event: Photonics China '96, 1996, Beijing, China
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.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yong Zhu, BingKun Qin, Shufen Chen, "Closed-loop fiber optic gyroscope with homodyne detection", Proc. SPIE 2895, Fiber Optic Sensors V, (24 September 1996); doi: 10.1117/12.252203; https://doi.org/10.1117/12.252203
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KEYWORDS
Negative feedback

Fiber optic gyroscopes

Homodyne detection

Modulators

Computer simulations

Modulation

Computing systems

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