The NATO navies currently use gimbaled spinning wheel gyros to support their inertial navigation system requirements. Ring Laser Gyros (RLGs) are now being considered for the next generation of marine inertial navigators. RLGs are expected to provide better performance (longer extrapolation intervals between resets), higher reliability, and lower cost-of-ownership. The performance improvement expected from RLGs was already demonstrated at sea during prototype system tests conducted by the U.S. Navy. The final production design of an RLG marine inertial navigation system (INS) required that tradeoffs be made among the sometimes conflicting factors of performance, reliability, and environmental isolation. Some of the considerations and tradeoffs involved in the design of the Litton marine RLG INS are described.
Ring Laser Gyro Marine Inertial Navigation Systems
1990
8 pages
Report
Keine Angabe
Englisch
Marine & Waterway Transportation , Navigation & Guidance System Components , Inertial navigation , Laser gyroscopes , Marine transportation , Commonality , Cost effectiveness , Ring lasers , Extrapolation , Navy , North atlantic treaty organization (Nato) , Operating costs , Reliability , Surface navigation
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