Reliability estimation of FOGs based on information fusion technology of multi-sources
Yu Mei · Journal of Chinese Inertial Technology · 2012
To estimate the reliability of fiber optic gyroscope on the small sample testing data,the Bayes(bayesian) estimation methods were studied based on the information fusion technology of sources.The priori information of stylebooks was analyzed,and the prior distribution was determined by the key apparatus's information through the stochastic weighted method,and the likelihood function was combined based on the small sample testing data,to estimate the reliability of product without lowering the credibility.The simulation results show that the length of the confidence interval of Bayes estimation methods is shortened to 1/16 compared with that of traditional methods in the same confidence levels.The accuracy of the estimated results is improved by the Bayes estimation methods and it has important theoretical significance and reference value for solving the reliability assessment problem with small sample.