Fusion Estimation for Nonlinear Systems with Heavy-tailed Noises

被引：0

作者：

Di, Chenying ^{[1
]}

Yan, Liping ^{[1
]}

Xia, Yuanqing ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Automat, Key Lab Intelligent Control & Decis Complex Syst, Beijing 100081, Peoples R China

来源：

PROCEEDINGS OF THE 38TH CHINESE CONTROL CONFERENCE (CCC) | 2019年

基金：

北京市自然科学基金;

关键词：

fusion estimation; heavy-tailed noises; package drop out; nonlinear systems; Student's t distribution;

D O I：

10.23919/chicc.2019.8865872

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In some target tracking scenarios, the process noise and the measurement noise are both heavy-tailed noises. This type of noise can not be modeled as Gaussian noise, since it has quite different characteristics. Existing algorithms for fusion estimation of nonlinear systems with Gaussian noises are no longer applicable for systems with heavy-tailed noises. In this paper, estimation of multisensor data fusion for nonlinear systems with heavy-tailed process noise and measurement noise in target tracking is studied. Based on the robust Student's t based nonlinear filter (RSTNF), a filtering method using unscented transformation (UT) for state estimation of nonlinear systems with heavy-tailed noises, we present a modified nonlinear filter in case of package drop out exists. For fusion estimation of multisensor nonlinear systems, we present the centralized fusion based on the modified filter. Our results from Monte Carlo simulations on a target tracking example demonstrate the effectiveness and the robustness of the presented algorithm.

引用

页码：3537 / 3542

页数：6

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