Optimization design of domestic main control signal processing board for miniaturized fiber optic gyroscope

Juan Zhang; Hui Cao; Bobo Ni; Nianbao Shi; Ying Liu; Xuqian Jia; Di Ma

doi:10.1117/12.3048312

13 November 2024 Optimization design of domestic main control signal processing board for miniaturized fiber optic gyroscope

Juan Zhang, Hui Cao, Bobo Ni, Nianbao Shi, Ying Liu, Xuqian Jia, Di Ma

Author Affiliations +

Proceedings Volume 13280, Advanced Optical Manufacturing Technologies and Applications 2024; and Fourth International Forum of Young Scientists on Advanced Optical Manufacturing (AOMTA and YSAOM 2024); 132801G (2024) https://doi.org/10.1117/12.3048312
Event: Second Conference on Advanced Optical Manufacturing Technologies and Applications & Fourth Forum of Young Scientists on Advanced Optical Manufacturing, 2024, Xi'an, China

Abstract

The signal processing circuit of the fiber optic gyroscope adopts a digital closed-loop processing scheme. It modulates the Y-waveguide integrated optical device through a D/A converter and its amplification circuit and demodulates the optical signals containing angular rate information via the detector signal processing circuit and A/D converter. The angular rate sensed by the fiber optic gyroscope is then calculated by a digital signal processing logic chip FPGA. Traditional fiber optic gyroscopes predominantly use imported components such as operational amplifiers, FPGAs, and A/D and D/A devices. In response to the urgent demand for gyroscopes with specific sizes and 100% domestic production, and with the gradual maturity of domestic integrated electronic components, the optimized design of the main control signal processing board, component selection, and the comprehensive application of flexible lamination technology have ensured that the accuracy and performance of the fiber optic gyroscope are maintained even with full domestic circuit production and reduced size.

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

Citation Download Citation

Juan Zhang, Hui Cao, Bobo Ni, Nianbao Shi, Ying Liu, Xuqian Jia, and Di Ma "Optimization design of domestic main control signal processing board for miniaturized fiber optic gyroscope", Proc. SPIE 13280, Advanced Optical Manufacturing Technologies and Applications 2024; and Fourth International Forum of Young Scientists on Advanced Optical Manufacturing (AOMTA and YSAOM 2024), 132801G (13 November 2024); https://doi.org/10.1117/12.3048312

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KEYWORDS

Fiber optic gyroscopes

Signal detection

Signal processing

Design

Optical circuits

Gyroscopes

Field programmable gate arrays

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