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Robust variational Bayesian method-based SINS/GPS integrated system

delete2022-04-01
delete19
PRE
AI
X
Xuhang Liu
L
Liu, Xiaoxiong *
Y
Yang, Yue
Y
Yicong Guo
Z
Zhang, Weiguo
DOI:10.1016/j.measurement.2022.110893delete
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摘要

摘要

En 中文
SINS/GPS integrated systems are influenced by non-Gaussian noise and unknown measurement noise due to exogenous disturbances and inaccurate noise statistics. To overcome this problem, a robust variational Bayesian method-based SINS/GPS integrated system is designed. First, the variational Bayesian-based Kalman filter is selected to estimate unknown measurement noise covariance. Second, the maximum correntropy criterion is introduced to the nonlinear robust filter to handle interference from non-Gaussian noise. Finally, the robust variational Bayesian method is designed based on the interacting multiple model, which not only fuses the variational Bayesian-based Kalman filter and the robust filter but also avoids non-Gaussian noise interference to the estimation result of measurement noise covariance. The robustness and adaptivity of the robust variational Bayesian method are verified by numerical simulation. Furthermore, the flight test results show improved performance of the SINS/GPS integrated system using the proposed method.
Keyword:
SINS
GPS integrated navigation
Sensors fusion
Interacting multiple model
Variational Bayesian
Robust Kalman filter
UAV

期刊

Measurement 封面图
Measurement
IF:
5.6
论文数:
2.0W
被引数:
5.4W

机构

N
Northwestern Polytechnical University
学者数:
4.6W
论文数: 3.7W
被引数: 5.3W
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