光纤陀螺检测电路供电网络的优化方法

By optimizing the power supply network of the fiber optic gyroscope detection circuit, the problem of accuracy degradation caused by power supply interference was solved, achieving high-precision detection of the fiber optic gyroscope and improving its performance.

CN120820139BActive Publication Date: 2026-07-17BEIJING INST OF CONTROL ENG

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING INST OF CONTROL ENG
Filing Date
2025-07-10
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The accuracy degradation and crosstalk caused by power supply interference in the fiber optic gyroscope detection circuit are particularly prominent in the process of component circuit integration, which affects the low-speed sensitivity of the fiber optic gyroscope.

Method used

By identifying crosstalk paths in the power supply network, measuring and analyzing the interference components of the filter network and level conversion module, and using quantitative analysis methods to optimize the filtering level, the power supply network is optimized to reduce electromagnetic interference.

Benefits of technology

It effectively reduces power supply interference, improves the detection accuracy of fiber optic gyroscopes, and enhances the performance level of fiber optic gyroscopes.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明公开了一种光纤陀螺检测电路供电网络的优化方法。光纤陀螺检测电路包括微弱信号检测电路模块、调制电路模块、数字闭环电路模块和供电网络,供电网络包括二次电源、多个滤波网络和至少一个电平转换电路模块;方法包括:确定调制电路模块和数字闭环电路模块为干扰器件,微弱信号检测电路模块为被干扰器件;分别以每个干扰器件为起点、以被干扰器件为终点,确定多条串扰路径;针对每条串扰路径,均获取光纤陀螺仪本征频率下,该串扰路径中各滤波网络和 / 或电平转换模块的输出信号强度;基于各滤波网络和 / 或电平转换模块的输出信号强度和输入信号强度计算其滤波水平;基于计算出的滤波水平确定是否对相应的滤波网络和 / 或电平转换模块进行优化。本申请可以优化供电网络,降低电源干扰,提高光纤陀螺仪的检测精度。
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