Observer-based control design for switched affine systems and applications to DC-DC converters

被引：24

作者：

Yoshimura V.L. ^{[1
]}

Assunção E. ^{[2
]}

Da Silva E.R.P. ^{[2
]}

Teixeira M.C.M. ^{[2
]}

Mainardi Júnior E.I. ^{[3
]}

机构：

[1] Departamento de Eletro-Eletrônica (DAE-E), Instituto Federal de Educação, Ciência e Tecnologia de Mato Grosso (IFMT), Campus Cuiabá, Cuiabá MT 78005-200, Rua Zulmira Canavarros, 95, Centro Norte

[2] Laboratório de Pesquisa em Controle (LPC), Departamento de Engenharia Elétrica, Faculdade de Engenharia, Univ Estadual Paulista (UNESP), Ilha Solteira SP 15385-000, Avenida José Carlos Rossi

[3] Departamento de Eletrônica, Instituto Federal de Educação, Ciência e Tecnologia Catarinense (IFC), Campus Videira, Videira SC 89560-000

来源：

Journal of Control, Automation and Electrical Systems | 2013年 / 24卷 / 04期

基金：

巴西圣保罗研究基金会;

关键词：

DC-DC converters; Linear matrix inequalities; Output feedback; State estimation; Switched affine systems; Switched Luenberger observer;

D O I：

10.1007/s40313-013-0044-z

中图分类号：

学科分类号：

摘要：

This paper deals with the problem of establishing a state estimator for switched affine systems. For that matter, a modification on the Luenberger observer is proposed, the switched Luenberger observer, whose idea is to design one output gain matrix for each mode of the original system. The efficiency of the proposed method relies on a simplification on estimation error which is proved always valid, guaranteeing the estimation error to asymptotically converge to zero, for any initial state and switching law. Next, a dynamic output-dependent switching law is formulated. Then, design methodologies using linear matrix inequalities are proposed, which, to the authors's knowledge, have not yet been applied to this problem. Finally, observers for DC-DC converters are designed and simulated as application examples. © 2013 Brazilian Society for Automatics - SBA.

引用

页码：535 / 543

页数：8

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