Exact bounded-error continuous-time linear state estimator

被引：5
作者：
Rohou, Simon [1 ]
Jaulin, Luc [1 ]
机构：
[1] ENSTA Bretagne, UMR CNRS 6285, Lab STICC, Brest, France
来源：
SYSTEMS & CONTROL LETTERS | 2021年 / 153卷
关键词：
Linear system; State-space equations; Interval analysis; Tubes; Time uncertainties; State estimator; SET-MEMBERSHIP DESCRIPTION; FEASIBLE PARAMETER SET; MODELS;
D O I：
10.1016/j.sysconle.2021.104951
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper proposes an interval-based method for estimating the state of a linear continuous-time dynamical system. In this work, we assume that the measurements are provided at discrete times and that all errors are bounded. Interval analysis is used to propagate the interval uncertainties continuously over time. The resulting method is guaranteed to never lose any feasible solution and provides an optimal polygonal enclosure of the state trajectory. A reproducible example illustrates the principle of the method. (C) 2021 Elsevier B.V. All rights reserved.
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页数：8
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