High-gain interval observer for continuous-discrete-time systems using an LMI design approach

被引：1

作者：

Thabet, Rihab El Houda ^{[1
]}

Ali, Sofiane Ahmed ^{[1
]}

Puig, Vicenc ^{[2
]}

机构：

[1] Normandie Univ, Lab IRSEEM, ESIGELEC, UNIROUEN, St Etienne Du Rouvray, France

[2] Univ Politecn Catalunya UPC, Res Ctr Supervis Safety & Automat Control CS2AC, Terrassa Campus,Gaia Bldg,Rambla St Nebridi 22, Terrassa 08222, Spain

来源：

INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE | 2022年 / 53卷 / 14期

关键词：

High-gain observer; interval observer; continuous-discrete-time system; bounded uncertainty; UNION;

D O I：

10.1080/00207721.2022.2067912

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, a high-gain interval observer (HGIO) for a class of partially linear continuous-time systems with sampled measured outputs in the presence of bounded noise and additive disturbances is proposed. The design of the HGIO is formulated in the Linear Matrix Inequality (LMI) framework. The gain of the HGIO is designed to satisfy the cooperative property using a time-varying change of coordinates based on pole placement in separate LMI regions. Moreover, a procedure for designing the HGIO gain to minimise the effect of the noise and disturbance in the estimation is provided. The stability of the proposed HGIO is also guaranteed. The proposed approach is assessed in simulation using a numerical example.

引用

页码：3010 / 3026

页数：17

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