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一点对多点同时激光通信视轴姿态解算方法

王利辉 张立中 孟立新 白杨杨

王利辉, 张立中, 孟立新, 白杨杨. 一点对多点同时激光通信视轴姿态解算方法[J]. 电子与信息学报, 2023, 45(8): 2919-2926. doi: 10.11999/JEIT221533
引用本文: 王利辉, 张立中, 孟立新, 白杨杨. 一点对多点同时激光通信视轴姿态解算方法[J]. 电子与信息学报, 2023, 45(8): 2919-2926. doi: 10.11999/JEIT221533
WANG Lihui, ZHANG Lizhong, MENG Lixin, BAI Yangyang. Solution Method of Line-of-sight Attitude in One-point to Multi-point Simultaneous Laser Communication System[J]. Journal of Electronics & Information Technology, 2023, 45(8): 2919-2926. doi: 10.11999/JEIT221533
Citation: WANG Lihui, ZHANG Lizhong, MENG Lixin, BAI Yangyang. Solution Method of Line-of-sight Attitude in One-point to Multi-point Simultaneous Laser Communication System[J]. Journal of Electronics & Information Technology, 2023, 45(8): 2919-2926. doi: 10.11999/JEIT221533

一点对多点同时激光通信视轴姿态解算方法

doi: 10.11999/JEIT221533
基金项目: 国家自然科学基金联合基金项目“叶企孙”科学基金(U2141231),吉林省教育厅科学技术研究项目(JJKH20210836KJ)
详细信息
    作者简介:

    王利辉:男,博士研究生,讲师,研究方向为激光通信、捷联惯导、机电系统仿真与测试技术

    张立中:男,教授,博士生导师,研究方向为激光通信、精密机械设计、在线检测技术

    孟立新:男,副研究员,博士生导师,研究方向为空间激光通信、精密机械设计

    白杨杨:男,中级实验师,研究方向为精密伺服控制

    通讯作者:

    张立中 zlzcust@126.com

  • 中图分类号: TN929.1

Solution Method of Line-of-sight Attitude in One-point to Multi-point Simultaneous Laser Communication System

Funds: Ye Qisun Science Foundation of the Joint Fund of National Natural Science Foundation of China(U2141231), Science and Technology Research Project of Education Department of Jilin Province (JJKH20210836KJ)
  • 摘要: 针对1点对多点同时激光通信光端机的小型化、轻量化、网络化的技术需求,该文简化了光端机上的多个陀螺,提出一种利用单陀螺实现多个光学视轴同时稳定的方案。为求解多光学视轴姿态,根据欧拉定理重新定义了每个指向镜的坐标系,建立了基于转动4元数的多光学视轴姿态数学模型。为了求解该数学模型的参数,给出了相对应的4阶龙格库塔解算方法,并进行了“三子样”算法优化。最后,将数值解算结果与3种典型圆锥运动的真值进行比较,获得了不同指向镜视轴姿态的解算误差曲线。结果表明,在60 s仿真时间内4阶龙格库塔法对4个光学视轴姿态的联合解算精度优于10–4 μrad,验证了该模型的有效性。经过“三子样”算法优化后,3种典型圆锥运动的解算精度分别提高了3个数量级、3个数量级和1个数量级,达到了精度优化的目的。该方法的提出,为捷联稳定技术在激光通信组网中的应用提供了理论依据。
  • 图  1  1点对多点同时激光通信组网示意图

    图  2  1点对4点同时激光通信组网实验

    图  3  光端机实物示意图

    图  4  光端机多指向镜坐标系分布图

    图  5  4阶龙格库塔法数值解算误差曲线

    图  6  坐标系O41X41Y41Z41内“三子样”算法数值解算误差

    图  7  坐标系O42X42Y42Z42内“三子样”数值解算误差曲线

    图  8  坐标系O43X43Y43Z43内“三子样”数值解算误差曲线

    图  9  坐标系O44X44Y44Z44内“三子样”数值解算误差曲线

    表  1  4阶龙格库塔法数值解算误差

    圆锥运动解算姿态误差(μrad)
    圆锥运动1方位7.3×10–8
    俯仰1.5×10–7
    圆锥运动2方位5.9×10–6
    俯仰1.2×10–5
    圆锥运动3方位1.8×10–5
    俯仰3.6×10–5
    下载: 导出CSV

    表  2  “三子样”优化算法数值解算误差(μrad)

    指向镜坐标系姿态圆锥运动1圆锥运动2圆锥运动3
    O41X41Y41Z41方位3.3×10–102.2×10–85.9×10–7
    俯仰6.2×10–104.4×10–81.2×10–6
    O42X42Y42Z42方位7×10–102.2×10–85.9×10–7
    俯仰6.2×10–104.4×10–81.2×10–6
    O43X43Y43Z43方位4.7×10–102.2×10–85.9×10–7
    俯仰6.2×10–104.4×10–81.2×10–6
    O44X44Y44Z44方位4.7×10–102.2×10–85.9×10–7
    俯仰6.2×10–104.4×10–81.2×10–6
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-12-12
  • 修回日期:  2023-03-02
  • 网络出版日期:  2023-03-06
  • 刊出日期:  2023-08-21

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