Precise laser gyroscope for autonomous inertial navigation

Precise laser gyroscope for autonomous inertial navigation

Requirements to gyroscopes of strapdown inertial navigation systems for aircraft application are formulated. The construction of a ring helium - neon laser designed for autonomous navigation is described. The processes that determine the laser service life and the relation between the random error o...

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Veröffentlicht in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2015-01, Vol.45 (1), p.78-88
Hauptverfasser: Kuznetsov, A.G., Molchanov, A.V., Chirkin, M.V., Izmailov, E.A.
Format: Artikel
Sprache:eng
Schlagworte:
AIRCRAFT
ANGULAR VELOCITY
Autonomous
autonomous inertial navigation
Autonomous navigation
backscattering
cathode sputtering
forced dithering
GYROSCOPES
HELIUM-NEON LASERS
laser gyroscope
Laser gyroscopes
Lasers
lock-in threshold
NAVIGATION
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
quadrature signals
quantisation noise
reactive oscillations
ring laser
SERVICE LIFE
SIMULATION
Strapdown inertial navigation
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Beschreibung
Zusammenfassung:Requirements to gyroscopes of strapdown inertial navigation systems for aircraft application are formulated. The construction of a ring helium - neon laser designed for autonomous navigation is described. The processes that determine the laser service life and the relation between the random error of the angular velocity measurement and the surface relief features of the cavity mirrors are analysed. The results of modelling one of the promising approaches to processing the laser gyroscope signals are presented.
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2015v045n01ABEH015420