Single-channel phase-tracker for the open-loop fiber optic gyroscope

Alan D. Kersey; Robert P. Moeller; Timothy A. Berkoff; William K. Burns

doi:10.1117/12.135048

1 February 1992 Single-channel phase-tracker for the open-loop fiber optic gyroscope

Alan D. Kersey, Robert P. Moeller, Timothy A. Berkoff, William K. Burns

Proceedings Volume 1585, Fiber Optic Gyros: 15th Anniversary Conf; (1992) https://doi.org/10.1117/12.135048
Event: OE Fiber, 1991, Boston, MA, United States

Abstract

The present, simplified analog signal-processing technique for an open-loop FOG is based on Kersey and Moeller's (1990) closed-loop phase-shift-nulling concept. This approach emulates the operation of a true closed-loop gyroscope on the basis of low-cost phase tracking, and furnishes a linear output from an open-loop gyro configuration over a +/- 2-pi radian range in Sagnac phase shift. Good linearity and comparatively low noise and drift characteristics are obtained.

Citation Download Citation

Alan D. Kersey, Robert P. Moeller, Timothy A. Berkoff, and William K. Burns "Single-channel phase-tracker for the open-loop fiber optic gyroscope", Proc. SPIE 1585, Fiber Optic Gyros: 15th Anniversary Conf, (1 February 1992); https://doi.org/10.1117/12.135048

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