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Journal of Projectiles, Rockets, Missiles and Guidance >

2016 , Vol. 36 >Issue 3: 1 - 3

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2016.03.001

MISSILES AND GUIDANCE TECHNOLOGY

A Geometric Algorithm of Line-of-sight Rate Reconstruction for Semi-strapdown Imaging Seeker

  • AO Zhiwei ,
  • DING Haishan ,
  • LI Yijun ,
  • ZHAO Guijin
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  • 1 China Airborne Missile Academy, Henan Luoyang 471009, China
    2 Aviation Key Laboratory of Science and Technology on Airborne Guided Weapons, Henan Luoyang 471009, China

Received date: 2015-06-28

  Online published: 2025-05-30

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Abstract

In view of particularity of semi-strapdown imaging seeker, line-of-sight rate couldn't be measured directly, so a new algorithm for the line-of-sight rate was provided in this paper.Angular positions of line-of-sight in inertial space were obtained by coordinate transformation.Then the line-of-sight rate was solved directly in the inertial space based on the theory of rigid body turning around a fixed point.Angular rates were obtained by an arctangent-based tracking differentiator, which could avoid noise amplification effect caused by numerical differentiation and improve accuracy of the line-of-sight rate.Numerical simulations show efficiency of the proposed algorithm in this paper.

Key words： line-of-sight rate; semi-strapdown; tracking differentiator

Cite this article

AO Zhiwei , DING Haishan , LI Yijun , ZHAO Guijin . A Geometric Algorithm of Line-of-sight Rate Reconstruction for Semi-strapdown Imaging Seeker[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2016 , 36(3) : 1 -3 . DOI: 10.15892/j.cnki.djzdxb.2016.03.001

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References

[1]
RUDIN R T Strapdown stabilization for imaging seekers:AIAA, A93-42219[R].1993
[2]
阔胜利, 贾宏光, 张跃,等. 光学成像导引头半捷联稳定[J]. 红外与激光工程, 2011, 40(1): 129-132.
[3]
贾筱媛, 赵超. 半捷联稳定控制方案与制导信息提取方法[J]. 红外与激光工程, 2011, 40(12): 2474-2479.
[4]
杨雅君, 徐胜利, 李晓东,等. 弹载相控阵雷达视线重构研究[J]. 弹箭与制导学报, 2012, 32(5): 39-44.
[5]
王男, 张奕群. 提高视线转率精度的一种改进方法[J]. 现代防御技术, 2007, 35(4): 64-68.
[6]
OCHI Y, ITOH K, KANAI K. Application of H-infinity control to missile guidance and control:AIAA 2000-4069[R].2000
[7]
董小萌, 张平. 反正切形式跟踪微分器设计及相平面分析[J]. 控制理论与应用, 2010, 27(4): 533-537.
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