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一种基于异步传感器网络的空间目标分布式跟踪方法

黄静琪 胡琛 孙山鹏 高翔 何兵

黄静琪, 胡琛, 孙山鹏, 高翔, 何兵. 一种基于异步传感器网络的空间目标分布式跟踪方法[J]. 电子与信息学报, 2020, 42(5): 1132-1139. doi: 10.11999/JEIT190460
引用本文: 黄静琪, 胡琛, 孙山鹏, 高翔, 何兵. 一种基于异步传感器网络的空间目标分布式跟踪方法[J]. 电子与信息学报, 2020, 42(5): 1132-1139. doi: 10.11999/JEIT190460
Jingqi HUANG, Chen HU, Shanpeng SUN, Xiang GAO, Bing HE. A Distributed Space Target Tracking Algorithm Based on Asynchronous Multi-sensor Networks[J]. Journal of Electronics & Information Technology, 2020, 42(5): 1132-1139. doi: 10.11999/JEIT190460
Citation: Jingqi HUANG, Chen HU, Shanpeng SUN, Xiang GAO, Bing HE. A Distributed Space Target Tracking Algorithm Based on Asynchronous Multi-sensor Networks[J]. Journal of Electronics & Information Technology, 2020, 42(5): 1132-1139. doi: 10.11999/JEIT190460

一种基于异步传感器网络的空间目标分布式跟踪方法

doi: 10.11999/JEIT190460
详细信息
    作者简介:

    黄静琪:女,1987年生,助理研究员,研究方向为航天器精密轨道确定、实时轨道计算、分布式滤波

    胡琛:男,1988年生,博士,讲师,研究方向为分布式滤波、多智能体系统、机器学习

    孙山鹏:男,1987年生,工程师,研究方向为航天器测控总体技术、航天器实时轨道计算

    高翔:男,1987年生,工程师,研究方向为航天器测控总体技术、航天器实时轨道计算

    何兵:男,1983年生,副教授,研究方向为信息融合、飞行动力学及控制

    通讯作者:

    黄静琪 hjingqi@sina.cn

  • 中图分类号: TP391

A Distributed Space Target Tracking Algorithm Based on Asynchronous Multi-sensor Networks

  • 摘要:

    为解决传感器网络在空间目标分布式跟踪过程中的异步采样及通信延迟问题,该文提出一种异步分布式信息滤波算法(ADIF)。首先,局部传感器与相邻节点之间以一定的拓扑结构传递带采样时标的局部状态信息和量测信息,然后将收到的异步信息按时间排序,使用ADIF算法进行计算,分别对目标状态进行估计。该方法实现简单,传感器间通信的次数少,支持网络拓扑的实时变化,适用于空间目标监测中的多目标跟踪问题。该文分别对空间单目标、多目标跟踪进行了仿真,结果表明算法可以有效解决异步传感器滤波问题,分布式滤波精度一致逼近于集中式结果。

  • 图  1  异步多传感器采样示意图

    图  2  传感器i的入邻节点采样时刻映射示意图

    图  3  传感器网络的通信拓扑

    图  4  测量设备的跟踪弧段

    图  5  各测量设备计算的位置、速度RMSE曲线

    图  6  目标1传感器网络拓扑变化情况

    图  7  目标2传感器网络拓扑变化情况

    图  8  P1, S1, S2对目标1分布式滤波定轨的位置、速度RMSE曲线

    图  9  P2, S2, S3对目标2分布式滤波定轨的位置、速度RMSE曲线

    表  1  目标初始轨道

    历元X(m)Y(m)Z(m)Vx(m·s–1)Vy(m·s–1)Vz(m·s–1)
    2019-04-25 04:11:56980093.4661709342.5126698030.7146293.7414383734.785328–1863.584480
    下载: 导出CSV

    表  2  天基光学相机轨道根数

    天基相机历元a(km)ei(°)Ω(°)ω(°)M(°)
    P12019-4-25 04:00:006878.1370.00001145.0359.80.0339.8
    P22019-4-25 04:00:006778.1370.00001063.4250.110.235.0
    下载: 导出CSV

    表  3  各测站集中式与分布式滤波位置平均RMSE

    滤波类型P1P2S1S2S3
    位置ADIF(m)11.438910.774011.668311.389310.9962
    EIF(m)9.6533
    速度ADIF(m/s)0.45500.45630.45750.45640.4564
    EIF(m/s)0.3973
    下载: 导出CSV

    表  4  目标2初始轨道

    历元X(m)Y(m)Z(m)Vx(m·s–1)Vy(m·s–1)Vz(m·s–1)
    2019-04-25 04:00:556985582.028542743.4501003434.795–966.305250–1160.131728–7350.707562
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-06-21
  • 修回日期:  2019-10-20
  • 网络出版日期:  2019-10-29
  • 刊出日期:  2020-06-04

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