Helicopter Platform Background Magnetic Interference Small Signal Model Solving and Compensation

ZHANG Ning; ZHAO Jian-yang; LIN Chun-sheng; JIA Wen-dou

doi:10.3969/j.issn.0372-2112.2017.01.012

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Helicopter Platform Background Magnetic Interference Small Signal Model Solving and Compensation

更新时间：2025-07-16

- Helicopter Platform Background Magnetic Interference Small Signal Model Solving and Compensation
- Acta Electronica Sinica Vol. 45, Issue 1, Pages: 83-88(2017)
- 作者机构：
  
  海军工程大学兵器工程系,湖北,武汉,430033
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2017.01.012
  CLC： TN965
- Published Online：25 January 2017，
  
  Published：2017
- 稿件说明：
移动端阅览
ZHANG Ning, ZHAO Jian-yang, LIN Chun-sheng, et al. Helicopter Platform Background Magnetic Interference Small Signal Model Solving and Compensation[J]. Acta Electronica Sinica, 2017, 45(1): 83-88.
DOI：

ZHANG Ning, ZHAO Jian-yang, LIN Chun-sheng, et al. Helicopter Platform Background Magnetic Interference Small Signal Model Solving and Compensation[J]. Acta Electronica Sinica, 2017, 45(1): 83-88. DOI： 10.3969/j.issn.0372-2112.2017.01.012.

摘要

针对直升机外挂磁测吊舱探测平台，分析了平台背景磁干扰产生机理，得出平台背景磁干扰主要由飞机载体磁干扰、吊舱摆动引起的磁干扰和航迹波动引起的磁干扰三大部分组成，建立了磁测吊舱轨迹计算模型和平台背景磁干扰小信号模型.结合平台运动特点，给出了小信号模型求解方法，通过仿真计算，对磁干扰小信号模型求解进行了验证.分析结果表明，采用小信号模型对直升机平台背景磁干扰进行求解和补偿是完全可以的，适应性很好，磁干扰补偿率可达90%.

Abstract

For helicopter external high precision magnetic survey pod detection platform

platform background magnetic interference mechanism is analyzed

and concluded that platform background magnetic disturbance consists of the aircraft carrier magnetic disturbance

fluctuating magnetic interference caused by pod swing and the magnetic disturbance caused by fluctuating track of platform.Magnetic survey pod trajectory calculation model and platform background magnetic interference small signal model are established.And combining with the characteristics of platform motion

small signal model solving method is given.Through simulation and calculation

the magnetic interference small signal model is verified

and the analysis results show that using the small signal model to solve and compensate the magnetic disturbance is completely possible

the adaptability is very good and magnetic disturbance compensation rate can reach more than 90%.

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