1 February 1992 Open-loop fiber optic gyroscope with wide dynamic range and source variation insensitivity
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Abstract
A new topology is introduced for an analog phase detector for open-loop fiber-optic gyroscopes which consists of a linearization function and a control function. It is shown that five different trigonometric functions are suitable to perform the linearization function. It is shown that by introducing a feedforward loop, an exact replica of the input phase will be produced at the detector output. In addition, a technique is also presented which increases the angular range of the phase detector significantly beyond the +/- 3 pi range which is the limitation of the trigonometric generators in the circuit.
© (1992) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Stephanus J. Spammer, Pieter L. Swart, "Open-loop fiber optic gyroscope with wide dynamic range and source variation insensitivity", Proc. SPIE 1585, Fiber Optic Gyros: 15th Anniversary Conf, (1 February 1992); doi: 10.1117/12.135050; https://doi.org/10.1117/12.135050
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