Gravity aided inertial navigation system

Details Gravity aided inertial navigation system Gravity aided inertial navigation system

1991-12-10

1994-08-23

Gregory, Bernarr E.

Measuring and testing

Navigation

Take-off and landing monitors

364453, 364454, G01C 2120, G01C 2124, G06G 778

Patent

active

053396847

ABSTRACT:
An autonomous covert Inertial Navigation System uniquely suited for underwater applications wherein Schuler and siderial errors are bounded without external navigation aids or active instrumentation of ground speed is achieved by integrating a conventional Inertial Navigation System with a gravity gradiometer capable of measuring gravity field components independently of platform accelerations.

REFERENCES:
patent: 3545266 (1970-12-01), Wilson
patent: 3610900 (1971-10-01), Talwani
patent: 3633003 (1972-01-01), Talwani
patent: 3769710 (1973-11-01), Reister
patent: 4085440 (1978-04-01), Hose
patent: 4173784 (1979-11-01), Heath et al.
patent: 4882697 (1989-11-01), Ross
Hildebrant et al, "The Effects of Gravitational Uncertainties on the Errors of Inertial Navigation Systems"; Navigation, (vol. 21, No. 4; Winter 1974-75; pp. 357-363).

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