Frequency Response of Laser Gyroscopes in a Wide Range of Rotation Velocities
https://doi.org/10.17285/0869-7035.2018.26.2.003-014
Abstract
The laser gyro frequency response is studied by means of numerical simulation using a phase equation. The calculation results are compared to the results of experimental measurements on a precision dynamic test-bench. Quantitative relationship between the threshold value of static lock-in zone and frequency response distortions is established. Numerical methods helped to obtain and experimentally confirm the quantitative dependence of frequency response distortion on the amplitude and frequency of meander-shaped biasing. It is shown that the biasing shape significantly affects the frequency response form. Furthermore, it is demonstrated that frequency-response distortions depend on conditions of its measurement, in particular, on the time. The conducted research allows biasing parameters to be optimized with a view to increase the accuracy of measurements using laser gyroscopes.
About the Authors
V. V. Azarova
АО НИИ «Полюс» им. М. Ф. Стельмаха (Москва).
Russian Federation
Russian Federation
A. P. Makeev
Polyus Research Institute of M.F. Stelmakh, JSC, Moscow
Russian Federation
Russian Federation
E. V. Kuznetsov
Polyus Research Institute of M.F. Stelmakh, JSC, Moscow
Russian Federation
Russian Federation
Yu. D. Golyaev
Polyus Research Institute of M.F. Stelmakh, JSC, Moscow
Russian Federation
Russian Federation
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Review
For citations:
Azarova V.V., Makeev A.P., Kuznetsov E.V., Golyaev Yu.D. Frequency Response of Laser Gyroscopes in a Wide Range of Rotation Velocities. Giroskopiya i Navigatsiya. 2018;26(2):3-14. (In Russ.) https://doi.org/10.17285/0869-7035.2018.26.2.003-014
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