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

被引：0
|
作者：
Li, Jianli [1 ,2 ]
Ma, Yanhai [1 ,2 ]
Chen Xiyuan [3 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Sch Instrumentat Sci & Optoelect Engn, Fundamental Sci Novel Inertial Instrument & Nav S, Beijing 100191, Peoples R China
[2] Sci & Technol Inertial Lab, Beijing 100191, Peoples R China
[3] Southeast Univ, Sch Instrumentat Sci & Engn, Nanjing 211100, Jiangsu, Peoples R China
来源：
ABSTRACT AND APPLIED ANALYSIS | 2013年
基金：
中国国家自然科学基金;
关键词：
POSITION;
D O I：
10.1155/2013/359675
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
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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页数：7
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