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

Jianli Li | Zendy; Yanhai Ma | Zendy; Xiyuan Chen | Zendy

Open Access

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

Author(s) -

Jianli Li,

Yanhai Ma,

Xiyuan Chen

Publication year - 2013

Publication title -

abstract and applied analysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.228

H-Index - 56

eISSN - 1687-0409

pISSN - 1085-3375

DOI - 10.1155/2013/359675

Subject(s) - ring laser gyroscope , inertial navigation system , compensation (psychology) , calibration , gyroscope , control theory (sociology) , interpolation (computer graphics) , nonlinear system , inertial frame of reference , mathematics , series (stratigraphy) , computer science , artificial intelligence , engineering , physics , motion (physics) , psychology , paleontology , statistics , control (management) , quantum mechanics , psychoanalysis , biology , aerospace engineering

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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