Effective approach for actually uncorrelated angular vibration pattern design of a ring laser angle sensor

Shim, Kyu-Min; Kim, Cheon-Joong

doi:10.1016/j.ast.2015.11.015

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Frequency Lock-in Dynamics In the Rlg1

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2023

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“…The Runge–Kutta method was used to solve Equation (8).

, which is the average

during the observation time

, according to the change in

value, can be calculated using Equation (13) [ 16 ], and the RLG output

in Figure 1 corresponds to the calculated result for

= 10 s,

…”

Section: Frequency Lock-in Dynamics In the Rlgmentioning

confidence: 99%

Sagnac Effect Compensations and Locked States in a Ring Laser Gyroscope

Choi

Shim

Chong

et al. 2023

Sensors

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Frequency lock-in-induced deadband phenomena are major problems of ring laser gyroscopes (RLGs), which deteriorate linear responses to changes in the applied rotation rate. In this work, the frequency lock-in phenomenon occurring in the RLG was successfully investigated by compensating for the Sagnac effect through frequency analysis using a newly defined error function. Integrative and generalized viewpoints from the analyzed results provide new possibilities for relevant performance improvements of optical gyroscopes, as well as a deeper understanding of locked states in principle aspects.

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