A Study on the Stochastic Resonance Model of Time-Difference Fluxgate System with Feedback Control

doi:10.3969/j.issn.0372-2112.2012.08.033

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A Study on the Stochastic Resonance Model of Time-Difference Fluxgate System with Feedback Control

更新时间：2025-07-08

- A Study on the Stochastic Resonance Model of Time-Difference Fluxgate System with Feedback Control
- Acta Electronica Sinica Vol. 40, Issue 8, Pages: 1701-1704(2012)
- 作者机构：
  
  1. 吉林大学仪器科学与电气工程学院,吉林,长春,130061
  2. 吉林大学地球信息探测仪器教育部重点实验室,吉林,长春,130061
  3. 吉林大学仪器科学与电气工程学院,吉林,长春,130061
  4. 吉林大学地球信息探测仪器教育部重点实验室,吉林,长春,130061
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2012.08.033
  CLC： O211.6
- Published：2012
- 稿件说明：
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A Study on the Stochastic Resonance Model of Time-Difference Fluxgate System with Feedback Control[J]. Acta Electronica Sinica, 2012, 40(8): 1701-1704.
DOI：

A Study on the Stochastic Resonance Model of Time-Difference Fluxgate System with Feedback Control[J]. Acta Electronica Sinica, 2012, 40(8): 1701-1704. DOI： 10.3969/j.issn.0372-2112.2012.08.033.

摘要

时间差型磁通门具有随机共振效应

合理利用其随机共振效应可以提高其输出性能.将反馈控制环节应用于时间差型磁通门

提出应用反馈控制对随机共振特性进行调节的方法.以郎之万方程为模型对输出时间差量进行仿真观察

分别研究线性反馈以及立方反馈对系统参数以及噪声响应的影响

得到线性反馈可以降低矫顽力大小

立方反馈可以调整随机共振最适噪声值的结论.对模型进行的MATLAB仿真证明

为时间差型磁通门添加反馈控制环节有利于系统参数的调节、使系统可以主动调整随机共振特性.灵敏度相比未添加反馈时提高了50%.

Abstract

In this paper

a method for adjusting parameters of Time-Difference Fluxgate system is proposed

where feedback module is applied.Based on the observation of time-difference output of simulated Langevin equation

research is conducted on the influence of both linear feedback and cubic feedback on system parameters and stochastic resonance effect

and conclusions that linear feedback lowers coercivity

and cubic feedback adjusts optimal stochastic resonance noise are drawn.Numerical simulations of the models with MATLAB shows that addition of feedback module makes it more convenient for the Time-Difference Fluxgate system to adjust its internal parameters and control the stochastic resonance effect

which improves the performance of the system considerably.Compared with no feedback module

the sensitivity is enhanced by 50%.

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