A Study on Error Analysis of Dual-Axis Rotational Inertial Navigation System Based on Ring Laser Gyroscope

2018 ◽  
Vol 46 (11) ◽  
pp. 921-933
Author(s):  
Cheon-Joong Kim ◽  
Hae-Sung Yu ◽  
In-Seop Lee ◽  
Ju-Hyun Oh ◽  
Sang-Jeong Lee
Keyword(s):  
Error Analysis ◽  
Navigation System ◽  
Ring Laser ◽  
Inertial Navigation System ◽  
Inertial Navigation ◽  
Ring Laser Gyroscope ◽  
Laser Gyroscope

scholarly journals Error Modeling, Calibration, and Nonlinear Interpolation Compensation Method of Ring Laser Gyroscope Inertial Navigation System

2013 ◽  
Vol 2013 ◽  
pp. 1-7 ◽  
Author(s):  
Jianli Li ◽  
Yanhai Ma ◽  
Chen Xiyuan
Keyword(s):  
Navigation System ◽  
Ring Laser ◽  
Inertial Navigation System ◽  
Inertial Navigation ◽  
Calibration Method ◽  
Error Modeling ◽  
Working Environment ◽  
Nonlinear Interpolation ◽  
Ring Laser Gyroscope ◽  
Laser Gyroscope

In order to improve the precision of Strapdown Inertial Navigation System (SINS) and reduce the complexity of the traditional calibration method, a novel calibration and compensation scheme is proposed. An optimization calibration method with four-direction rotations is designed to calculate all error coefficients of Ring Laser Gyroscope (RLG) SINS in a series of constant temperatures. According to the actual working environment, the temperature errors of RLG SINS are compensated by a nonlinear interpolation compensation algorithm. The experimental results show that the inertial navigation errors of the proposed method are reduced.

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