Vibration error reduction servo for a fiber optic gyroscope

Details Vibration error reduction servo for a fiber optic gyroscope Vibration error reduction servo for a fiber optic gyroscope

1997-06-19

1999-07-20

Turner, Samuel A.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

G01C 1972

Patent

active

059262753

ABSTRACT:
A rectification error reducer for a fiber optic gyroscope, which is an intensity servo or compensator for reducing vibration effects in the optical signals caused by modulation at vibration frequencies induced by the gyroscope operating environment. The vibration effects may be detected in signals from the photodiode output in amplitude form which is used in a control system to null out optical intensity variations at the frequencies of vibration.

REFERENCES:
patent: 5137359 (1992-08-01), Steele
patent: 5184195 (1993-02-01), Goldner
patent: 5196904 (1993-03-01), Dane et al.
patent: 5627644 (1997-05-01), Sanders

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