System level calibration for size effect parameters of ring laser gyro SINS

Yabo Wang; Jian Yang; Shitao Zhang; Xianjun Liu

doi:10.1117/12.3040337

4 September 2024 System level calibration for size effect parameters of ring laser gyro SINS

Yabo Wang, Jian Yang, Shitao Zhang, Xianjun Liu

Author Affiliations +

Proceedings Volume 13259, International Conference on Automation Control, Algorithm, and Intelligent Bionics (ACAIB 2024); 132590S (2024) https://doi.org/10.1117/12.3040337
Event: Fourth International Conference on Automation Control, Algorithm, and Intelligent Bionics (ICAIB 2024), 2024, Yinchuan, China

Abstract

In large angular motion or other dynamic environments, the size effect can cause additional velocity error, which will consequently reduce navigation accuracy. In this paper, a calibration method for size effect error is discussed, and navigation experiments of swing motion under static base condition are conducted, which reveal that in a large angle motion environment, after compensating for inner lever arm (ILA) parameters, both velocity error and positioning error have a significantly decrease, with an improvement in positioning accuracy of over 30%.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yabo Wang, Jian Yang, Shitao Zhang, and Xianjun Liu "System level calibration for size effect parameters of ring laser gyro SINS", Proc. SPIE 13259, International Conference on Automation Control, Algorithm, and Intelligent Bionics (ACAIB 2024), 132590S (4 September 2024); https://doi.org/10.1117/12.3040337

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