Luenberger-type cubic observers for state estimation of linear systems

被引：8
|
作者：
Pasand, Mohammad Mahdi Share [1 ]
机构：
[1] Stand Res Inst, Fac Technol & Engn, Dept Elect Engn, POB 31585-163, Alborz, Iran
来源：
INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING | 2020年 / 34卷 / 09期
关键词：
cubic observer; observer; state estimation; FAULT ESTIMATION; CONTROL DESIGN;
D O I：
10.1002/acs.3125
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 article introduces a new nonlinear observer for state estimation of linear time invariant systems. The proposed observer contains a (nonlinear) cubic term to enhance observer response. Unlike previously proposed observers, the cubic observer has nonlinear estimation error dynamics. Convergence criteria, performance advantages, and observer-based feedback control with cubic observers are addressed. Simulation examples demonstrating performance improvement compared with linear observers, are included.
引用
收藏
页码：1148 / 1161
页数：14
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