Infrared and Laser Engineering, Volume. 50, Issue S2, 20210066(2021)
Integrated navigation method of RLG INS/GNSS polar region
Figures & Tables(12)
Fig. 9. Relative estimation error of the gyro bias in simulation experiment
Fig. 10. Relative estimation error of the accelerometer bias in simulation experiment
Table 1. Peak value of state estimation error with covariance transformation
View tableView in ArticleTable 1. Peak value of state estimation error with covariance transformation
Number Attitude error/(′) Velocity error/m·s−1 Position error/m Gyro bias error/(°)·h−1 Accelerometer bias error/μg 1 0.03 0.0004 0.2 0.001 0.24 2 0.01 0.002 0.18 0.002 0.22 3 0.14 0.0028 0.2 0.003 1.6 4 0.26 0.0004 0.12 0.002 0.38 5 0.02 0.0014 0.14 0.001 0.18 6 0.01 0.001 0.04 0.001 0.1 Average 0.08 0.0013 0.15 0.002 0.45
Table 2. Peak value of state estimation error without covariance transformation
View tableView in ArticleTable 2. Peak value of state estimation error without covariance transformation
Number Attitude error/(′) Velocity error/m·s-1 Position error/m Gyro bias error/(°)·h-1 Accelerometer bias error/μg 1 3.8 0.06 3.8 0.074 19.4 2 4.78 0.07 4 0.06 18.1 3 6.04 0.116 5.6 0.014 55.2 4 5.26 0.012 1.56 0.018 10.2 5 4.96 0.032 1.8 0.14 23.1 6 1.42 0.008 0.16 0.008 11 Average 4.38 0.05 2.82 0.052 22.82
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Yongjian Zhang, Lin Wang, Guo Wei, Chunfeng Gao, Hui Luo. Integrated navigation method of RLG INS/GNSS polar region[J]. Infrared and Laser Engineering, 2021, 50(S2): 20210066
Paper Information
Category: Photoelectric measurement
Received: Jan. 24, 2021
Accepted: --
Published Online: Dec. 3, 2021
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