NDLI: High accuracy performance capabilities of the military standard ring laser gyro inertial navigation unit

Content Provider	IEEE Xplore Digital Library
Author	Gilster, G.
Copyright Year	1994
Description	Author affiliation: Guidance & Control Syst. Div., Litton Syst. Inc., Woodland Hills, CA, USA (Gilster, G.)
Abstract	The medium accuracy standard ring laser gyro (RLG) inertial navigation unit (INU) exemplified by Litton's LN-93 system has benefited from continual improvements during the production process such that the present navigational accuracy and reliability are better by a factor of two or more over the original requirements as defined by SNU 84-1. Performance enhancements are now available which further improve navigation performance to the high-accuracy category while maintaining the reliability of the production system. Two enhancement mechanizations are described-one that requires software-only changes to improve inertial performance, and one that employs a self-contained (embedded) GPS to augment the inertial performance. These enhancements may be applied in combination to provide uniquely effective immunity to GPS spoofing countermeasures. These enhancements retain the present standard RLG INU form factor, mounting, and electrical interface, and are therefore particularly advantageous for retrofit application. Potential retrofit applications with various aircraft avionics architectures are discussed.
Starting Page	464
Ending Page	473
File Size	643464
Page Count	10
File Format	PDF
ISBN	0780314352
DOI	10.1109/PLANS.1994.303351
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-04-11
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Military standards Ring lasers Inertial navigation Global Positioning System Aircraft navigation Military aircraft Production systems Maintenance Aerospace electronics Time measurement
Content Type	Text
Resource Type	Article

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