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18 December 2023 Evaluation of initial alignment algorithm for dynamic base of fiber optic gyro inertial navigation system
Xianglu Ma, Xiaoshan Yao, Hao Meng, Fan Yi
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Proceedings Volume 12968, AOPC 2023: Optic Fiber Gyro ; 129680V (2023) https://doi.org/10.1117/12.3005201
Event: Applied Optics and Photonics China 2023 (AOPC2023), 2023, Beijing, China
Abstract
Fiber optic gyro inertial navigation system (FOGINS), as a kind of navigation equipment with high accuracy, wide dynamic range, and simple mechanical structure, is widely used in moving platforms such as vehicles, aircraft, and ships. For some motion platforms, such as vehicles and aircraft, the FOGINS can be provided with a stationary state so as to realize the initial alignment under static base conditions. However, some motion platforms, such as ships and floating balloons, are always in a swaying state and cannot provide a stationary state for the FOGINS. In such special motion platforms, only the dynamic base initial alignment technique can be implemented. This paper proposes a moving base simulation method, through the simulation, and observed the mainstream initial algorithm effect under different conditions, and categorized to make the relevant analysis, provides a number of engineering guidance strategy, through these strategies, can effectively avoid huge errors of initial alignment, which affect the subsequent positioning accuracy.
(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Xianglu Ma, Xiaoshan Yao, Hao Meng, and Fan Yi "Evaluation of initial alignment algorithm for dynamic base of fiber optic gyro inertial navigation system", Proc. SPIE 12968, AOPC 2023: Optic Fiber Gyro , 129680V (18 December 2023); https://doi.org/10.1117/12.3005201
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KEYWORDS
Error analysis
Fiber optic gyroscopes
Bandpass filters
Gyroscopes
Inertial navigation systems
Computer simulations
Sensors
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