BREAKING THE PRECISION BARRIER FOR AIRCRAFT INERTIAL SYSTEMS

Gary W. Adams and Michael J. Hadfield

Peer Reviewed

Abstract: When mission requirements dictate long-term unaided inertial navigation with a low terminal position error, then the approach suggested in this paper can be used. The current aircraft precision barrier of 0.1 nm/hr long-term error rate can be reduced to 0.02 nm/hr by use of a constant readiness premission calibration, on board gravity deflection compensation and system modifications for finer accelerometer resolution and gyro speed control.
Published in: NAVIGATION, Journal of the Institute of Navigation, Volume 30, Number 4
Pages: 301 - 308
Cite this article: Adams, Gary W., Hadfield, Michael J., "BREAKING THE PRECISION BARRIER FOR AIRCRAFT INERTIAL SYSTEMS", NAVIGATION, Journal of The Institute of Navigation, Vol. 30, No. 4, Winter 1983-1984, pp. 301-308.
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