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Performance Evaluation of Fiber Optic Gyro Based on Nonlinear Random Effect Wiener Process Cover

Performance Evaluation of Fiber Optic Gyro Based on Nonlinear Random Effect Wiener Process

Open Access
|Jun 2025

Figures & Tables

Figure 1.

Fiber optic gyroscope composition block diagram
Fiber optic gyroscope composition block diagram

Figure 2.

Parameter estimation process based on Bayesian theory
Parameter estimation process based on Bayesian theory

Figure 3.

Example of a Q-Q plot
Example of a Q-Q plot

Figure 4.

Zero-bias degradation data
Zero-bias degradation data

Figure 5.

Diagnostic results of convergence of model M1 parameters
Diagnostic results of convergence of model M1 parameters

Figure 6.

Diagnostic results of convergence of model M2 parameters
Diagnostic results of convergence of model M2 parameters

Figure 7.

Comparison results of Q-Q plots for M1 and M2
Comparison results of Q-Q plots for M1 and M2

Figure 8.

Model M1 vs. M2 Reliability Curve
Model M1 vs. M2 Reliability Curve

Log-likelihood and AIC values for different models

Modelln(L(θ))AIC
M1-286.1956576.3911
M2-201.5358411.0715

MCMC sampling results for model M1 parameters

ParameterMeanStandard DeviationMC Error95% credible interval
μ2.574E-64.022E-71.142E-9(1.782E-6,3.376E-6)
σ5.725E-44.868E-51.516E-7(4.87E-4,6.776E-4)

MCMC sampling results for model M2 parameters

ParameterMeanStandard DeviationMC Error95% credible interval
μμ16.79E-45.059E-52.316E-7(5.815E-4,7.817E-4)
σβ14.455E-56.103E-63.656E-8(2.793E-5,4.987E-5)
σ18.551E-43.427E-51.356E-7(7.732E-4,8.983E-4)
a10.74670.0032561.766E-5(0.738,0.7499)
Language: English
Page range: 116 - 127
Published on: Jun 13, 2025
Published by: Xi’an Technological University
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2025 Xiaojun Bai, Zhuo Sun, Yanfang Fu, Hongyue Liu, Yunxuan Hou, Yu Ji, Suyang Li, published by Xi’an Technological University
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.