成像制导巡飞弹无源目标定位与误差分析

凡建超; 鱼小军; 周建军; 张飞飞; 李格

doi:10.15892/j.cnki.djzdxb.2023.03.012

弹箭与制导学报 >

2023 , Vol. 43 >Issue 3: 81 - 86

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2023.03.012

成像制导巡飞弹无源目标定位与误差分析

凡建超 ,
鱼小军 ,
周建军 ,
张飞飞 ,
李格

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湖南云箭集团有限公司,湖南长沙 410100

凡建超(1990—),男,工程师,硕士研究生,研究方向:制导控制系统设计。

收稿日期: 2022-05-21

网络出版日期: 2025-02-07

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Passive Target Localization and Error Analysis of Imaging Guided Cruise Missle

FAN Jianchao ,
YU Xiaojun ,
ZHOU Jianjun ,
ZHANG Feifei ,
LI Ge

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Hunan Vanguard Group Co., Ltd., Changsha 410100, Hunan, China

Received date: 2022-05-21

Online published: 2025-02-07

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摘要

文中基于低成本的光电导引头,提出一种无源目标定位算法。该算法根据导引头跟踪目标时测量的框架角,得到目标视线角,为此通过巡飞弹的实时位置与目标点位置,通过相关坐标转换关系,得到目标视线角,并建立目标定位的系统状态方程与测量方程。考虑测量方程的非线性,利用推广卡尔曼滤波方程对目标位置进行估计;并采用蒙特卡洛方法统计目标定位误差,分析各参数对目标定位精度的影响。试验结果表明,文中方法可对目标准确定位,定位精度为圆概率偏差CEP≤10.9 m,在工程上有效可行。

关键词： 目标定位; 推广卡尔曼滤波; 蒙特卡洛方法; 成像制导; 误差分析

本文引用格式

凡建超 , 鱼小军 , 周建军 , 张飞飞 , 李格 . 成像制导巡飞弹无源目标定位与误差分析[J]. 弹箭与制导学报, 2023 , 43(3) : 81 -86 . DOI: 10.15892/j.cnki.djzdxb.2023.03.012

Abstract

A target location algorithm is proposed by using a low-cost photoelectric measurement platform (seeker). According to the frame angle measured by the seeker when tracking the target, the line of sight angle of the target can be obtained. The line of sight angle of the target can be obtained through the real-time position of the cruise missile and the position of the target, and through the correlation coordinate transformation relationship. Thus, the system state equation and measurement equation of the target positioning can be established. Considering the nonlinearity of the measurement equation, the extended Kalman filter equation is used to estimate the target position. And the Moter Carlor method is used to calculate the target positioning error and analyze the influence of various parameters on the target positioning accuracy. The experimental results show that this method can locate the target accurately, and CEP is not greater than 10.9 meters, so it is effective and feasible in engineering.

Key words： target localization; extended Kalman filter equation; Moter Carlor method; imaging guided; error analysis

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