An optimization approach to adaptive Kalman filtering

被引:111
|
作者
Karasalo, Maja [2 ]
Hu, Xiaoming [1 ]
机构
[1] Royal Inst Technol, S-10044 Stockholm, Sweden
[2] Saab, Secur & Def Solut, S-17588 Jarfalla, Sweden
基金
瑞典研究理事会;
关键词
Adaptive filtering; Optimization; Tracking; MULTIPLE-MODEL ESTIMATION; VARIABLE-STRUCTURE; PART V;
D O I
10.1016/j.automatica.2011.04.004
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 this paper, an optimization-based adaptive Kalman filtering method is proposed. The method produces an estimate of the process noise covariance matrix Q by solving an optimization problem over a short window of data. The algorithm recovers the observations h(x) from a system (x) over dot = f (x), y = h(x) + v without a priori knowledge of system dynamics. Potential applications include target tracking using a network of nonlinear sensors, servoing, mapping, and localization. The algorithm is demonstrated in simulations on a tracking example for a target with coupled and nonlinear kinematics. Simulations indicate superiority over a standard MMAE algorithm for a large class of systems. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1785 / 1793
页数:9
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