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弹箭与制导学报 >

2018 , Vol. 38 >Issue 4: 6 - 10

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2018.04.002

地磁辅助信息的旋转弹姿态估计方法

  • 龙达峰 ,
  • 孙俊丽 ,
  • 温晶晶
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  • 1 惠州学院, 广东惠州 516007
    2 中北大学信息与通信工程学院, 太原 030051
    3 晋西工业集团有限责任公司, 太原 030027

龙达峰(1979-),男,广东梅州人,博士,副教授,研究方向:地磁导航、组合导航。

收稿日期: 2017-09-02

  网络出版日期: 2025-05-30

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Attitude Estimation Algorithm for Spin-projectiles Based on Geomagnetic-aided Information

  • LONG Dafeng ,
  • SUN Junli ,
  • WEN Jingjing
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  • 1 Huizhou University, Guangdong Huizhou 516007, China
    2 School of Information and Communication Engineering, NorthUniversity of China, Taiyuan 030051, China
    3 Jinxi Industries Group Co. Ltd, Taiyuan 030027, China

Received date: 2017-09-02

  Online published: 2025-05-30

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摘要

针对旋转弹飞行姿态测量难题,文中提出了一种基于地磁辅助信息的旋转弹飞行姿态测量方法,采用地磁传感器、MEMS陀螺和GPS组合测量方案,由改进的EKF滤波算法完成弹体三维姿态估计。文中选取152mm旋转弹为仿真对象,结果表明该算法可以快速完成弹体姿态准确估计,经统计得弹体偏航角、俯仰角和滚转角估计误差分别为0.8068°、0.8392°和3.9264°。

关键词： 地磁传感器; 旋转弹; 姿态测量; 滤波算法

本文引用格式

龙达峰 , 孙俊丽 , 温晶晶 . 地磁辅助信息的旋转弹姿态估计方法[J]. 弹箭与制导学报, 2018 , 38(4) : 6 -10 . DOI: 10.15892/j.cnki.djzdxb.2018.04.002

Abstract

Accurate attitude information is critical to the performance of the spin-projectile control system. This paper presents an attitude estimation algorithm applied to the spin-projectile. The attitude measurement system is composed of the magnetometer, MEMS gyroscope and GPS. The attitude of spin-projectile is accurately estimated by the EKF filtering algorithm. Finally, the 152 mm spin-projectile is selected as the research object. Simulations demonstrate that the estimator can effectively estimate the attitude of the spin-projectile. The results show that the yaw errors, pitch errors and roll errors are 0.806 8 degrees, 0.839 2 degrees and 3. 926 4 degrees respectively.

Key words： magnetometer; spin-projectiles; attitude measurement system; filtering algorithm

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