Synthesized attitude and heading inertial reference

Details Synthesized attitude and heading inertial reference Synthesized attitude and heading inertial reference

1997-08-11

1998-11-24

Turner, Samuel A.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrometer

701221, G01C 1966

Patent

active

058415378

ABSTRACT:
An inertial reference system for determining the attitude and rate of change of attitude of a vehicle such as an aircraft is disclosed. Redundancy of the inertial reference system may be accomplished by replacement of one of the fiber optic gyroscopes of an otherwise dual fiber optic gyros installation with a low-cost reference IMU. Failure detection and isolation of a fiber optic gyroscope system may be accomplished with a low-cost reference IMU rather than with an additional fiber optic gyroscope. The information provided by the eliminated fiber optic gyroscope is synthesized from the output of the remaining fiber optic gyroscope and the output of the low-cost reference IMU.

REFERENCES:
patent: 5166882 (1992-11-01), Stambaugh
patent: 5184304 (1993-02-01), Huddle
patent: 5383127 (1995-01-01), Shibata
patent: 5719764 (1998-02-01), McClary

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