Fault diagnosis method of redundant marine single-axis rotational inertial navigation systems with ring laser gyro

Yuanhan Wang; Zhikun Liao; Zhonghong Liang; Lin Wang

doi:10.1117/12.3048113

13 December 2024 Fault diagnosis method of redundant marine single-axis rotational inertial navigation systems with ring laser gyro

Yuanhan Wang, Zhikun Liao, Zhonghong Liang, Lin Wang

Author Affiliations +

Proceedings Volume 13496, AOPC 2024: Optical Sensing, Imaging Technology, and Applications; 134961L (2024) https://doi.org/10.1117/12.3048113
Event: Applied Optics and Photonics China 2024 (AOPC2024), 2024, Beijing, China

Abstract

Rotational inertial navigation system (RINS) can improve navigation accuracy and has become a standard navigation equipment on ships. In practice, multiple systems are often redundantly configured to improve reliability, which provides the basis for fault diagnosis. This paper proposes a robust fault diagnosis method based on adaptive filter for redundant single-axis RINSs. The optimized dynamic model based on geometric constraint is deduced. On this basis, an on-line monitoring method for inertial sensor biases using strong tracking filter (STF) is presented. Based on the diagnosis filter outputs, the fault diagnosis parameters are constructed using a modified Bayesian algorithm, and fault diagnosis criteria are given. In addition, for the case where the fault occurs in the azimuth gyro, a second stage fault diagnosis algorithm based on least squares is proposed. Simulations show the proposed method works well.

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

Citation Download Citation

Yuanhan Wang, Zhikun Liao, Zhonghong Liang, and Lin Wang "Fault diagnosis method of redundant marine single-axis rotational inertial navigation systems with ring laser gyro", Proc. SPIE 13496, AOPC 2024: Optical Sensing, Imaging Technology, and Applications, 134961L (13 December 2024); https://doi.org/10.1117/12.3048113

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available