Algorithm of sensor management based on time-varying measurement variance

ZHANG Ying-hua; ZHOU Lin; LIU Xian-xing

doi:10.13873/j.1000-97872007.03.022

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Algorithm of sensor management based on time-varying measurement variance

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- Algorithm of sensor management based on time-varying measurement variance
- Issue 3, Pages: 68-72(2007)
- 作者机构：
  
  1. 河南大学计算机与信息工程学院
  2. 河南大学计算机与信息工程学院,河南,开封,475001
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872007.03.022
  CLC： TP212.9
- Published：2007
- 稿件说明：
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[1]张应华,周林,刘先省.基于测量方差时变的传感器管理算法[J].传感器与微系统,2007(03):68-72.

ZHANG Ying-hua, ZHOU Lin, LIU Xian-xing. Algorithm of sensor management based on time-varying measurement variance[J]. 2007, (3): 68-72.
[1]张应华,周林,刘先省.基于测量方差时变的传感器管理算法[J].传感器与微系统,2007(03):68-72. DOI： 10.13873/j.1000-97872007.03.022.

ZHANG Ying-hua, ZHOU Lin, LIU Xian-xing. Algorithm of sensor management based on time-varying measurement variance[J]. 2007, (3): 68-72. DOI： 10.13873/j.1000-97872007.03.022.

摘要

基于预先设定的测量方差对协方差估计所产生的不良影响

提出了一种基于测量方差时变的传感器管理算法。首先

该算法根据时变的测量方差计算目标的估计协方差;其次

利用所得的估计协方差求出目标的信息增量;最后

根据信息增量最大化的原则对传感器资源进行分配。所提算法既充分利用了传感器每次测量带来的信息

又进一步优化了测量方差。仿真实验表明:该算法不仅能提高状态的估计精度

同时

也使系统性能得到改善。

Abstract

Aiming at the shortcoming of the estimating covariance which is obtained by given measurement variance

a new algorithm of sensor management based on time-varying measurement variance is presented.Firstly

the target estimating covariance is achieved by time-varying measurement variance.Secondly

utilizing estimating covariance

the information gain of target is obtained.Finally

sensor resources are distributed by the maximum of information gain.The method can not only make full use of sensor measurement message every time

but also optimize measurement variance.The simulation results show that this algorithm can enhance estimating precision of state

meanwhile improve the capability of system.

关键词

Keywords

references

基于测量方差时变的改进强跟踪滤波算法 [J]. 胡振涛,刘先省. 传感器技术 . 2005(06)

目标跟踪中的传感器管理 [J]. 田康生,朱光喜. 传感器技术 . 2003(03)

基于信息熵的一种传感器管理算法 [J]. 刘先省,申石磊,潘泉,张洪才. 电子学报 . 2000(09)

用于目标跟踪的多传感器优化分配方法 [J]. 胡卫东,郁文贤,林谦,解晓微. 系统工程与电子技术 . 1999(12)

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