Inertial system having correction means for effects of gravitati

Details Inertial system having correction means for effects of gravitati Inertial system having correction means for effects of gravitati

1977-08-29

1979-11-06

Gruber, Felix D.

Boots, shoes, and leggings

244177, 364571, G06G 778

Patent

active

041737849

ABSTRACT:
Conventional first and second Schuler tuned inertial platforms, that are physically displaced from each other by a predetermined distance, are employed in an inertial system to reduce navigation errors caused by the uncertainty in the earth's gravitational field. In addition to the two Schuler tuned platforms, a conventional velocity measuring instrument is employed to provide damping to the inertial system. The invention takes advantage of the fact that for a pair of ideal platforms if the relative velocity between them as displaced sensors can be measured with moderate accuracy then performance rivaling that obtainable with a gradiometer aided inertial platform can be achieved.

REFERENCES:
patent: 3545266 (1970-12-01), Wilson
patent: 3805235 (1974-04-01), Foster et al.
patent: 3881670 (1975-05-01), Doniger
patent: 3960344 (1976-06-01), Dugan

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