Duffing-oscillator-based detection of periodic weak signals of MEMS gyro

LI Rui-jia; LI Rong-bing; LIU Jian-ye

doi:10.13873/j.1000-97872007.11.018

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Duffing-oscillator-based detection of periodic weak signals of MEMS gyro

更新时间：2025-09-11

- Duffing-oscillator-based detection of periodic weak signals of MEMS gyro
- Issue 11, Pages: 102-104+107(2007)
- 作者机构：
  
  1. 南京航空航天大学导航研究中心
  2. 南京航空航天大学导航研究中心,江苏,南京,210016
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872007.11.018
  CLC： TP211.4
- Published：2007
- 稿件说明：
移动端阅览
[1]李睿佳,李荣冰,刘建业.基于Duffing振子的MEMS陀螺微弱周期信号检测[J].传感器与微系统,2007(11):102-104+107.

LI Rui-jia, LI Rong-bing, LIU Jian-ye. Duffing-oscillator-based detection of periodic weak signals of MEMS gyro[J]. 2007, (11): 102-104+107.
[1]李睿佳,李荣冰,刘建业.基于Duffing振子的MEMS陀螺微弱周期信号检测[J].传感器与微系统,2007(11):102-104+107. DOI： 10.13873/j.1000-97872007.11.018.

LI Rui-jia, LI Rong-bing, LIU Jian-ye. Duffing-oscillator-based detection of periodic weak signals of MEMS gyro[J]. 2007, (11): 102-104+107. DOI： 10.13873/j.1000-97872007.11.018.

摘要

Duffing混沌振子系统对周期小信号具有敏感性

对噪声具有免疫性。对此进行了特性分析

讨论了振子方程参数变化带来的影响。对Duffing振子微弱信号检测的原理进行了实验验证

以LCG50陀螺为例

用Duffing振子检测方法对其周期误差信号进行了检测和分析

基于检测结果设计了FIR滤波器对MEMS陀螺周期误差信号滤波

结果表明:Duffing振子方法在MEMS陀螺微弱信号检测与信号处理中的可行性和有效性。

Abstract

Duffing oscillator system is sensitive to periodic signals and immune to noises.The analysis of its characteristic and the effects by the variety of parameter are given.As the example of LCG50

signal with periodic errors is detected and analysed by method of Duffing oscillator.Based on the results

FIR numeral filter is designed to filtrate the signal with periodic errors of MEMS gyro.It indicates that the method of Duffing oscillator in field of periodic weak signals detection of MEMS gyro is feasible and effective.

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references

MEMS-INS微型飞行器姿态确定系统的实现研究 [J]. 李荣冰,刘建业,段方,牛新元. 应用科学学报 . 2006(06)

基于MEMS技术的微型惯性导航系统的发展现状 [J]. 李荣冰,刘建业,曾庆化,华冰. 中国惯性技术学报 . 2004(06)

微弱信号混沌检测系统混沌阈值的确定 [J]. 李亚峻,李月,卢金,吕宝林. 吉林大学学报(信息科学版) . 2004(02)

混沌系统在弱信号检测中的应用 [J]. 聂春燕,徐振忠. 传感器技术 . 2003(01)

微弱信号检测技术[M]. 电子工业出版社 , 刘俊,张斌珍编著, 2005

混沌振子检测引论[M]. 电子工业出版社 , 李月,杨宝俊著, 2004

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