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H-2 and H-infinity Filtering for Continuous-Time Switched Affine Systems

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Autor(es):
Kolotelo, Guilherme K. ; Egidio, Lucas N. ; Deaecto, Grace S.
Número total de Autores: 3
Tipo de documento: Artigo Científico
Fonte: IFAC PAPERSONLINE; v. 51, n. 25, p. 6-pg., 2018-01-01.
Resumo

This paper deals with the filtering problem for continuous-time switched affine systems. More specifically, a full-order switched dynamical filter is jointly designed along with an output-dependent switching function, assuring a minimum H-2 or H-infinity guaranteed cost for the estimation error. It is proved that the optimal guaranteed cost filter presents an observer-based structure and can be designed independently of the switching function. The design conditions are expressed in terms of linear matrix inequalities, which can be solved without difficulty by means of readily available tools. One academic example and a practical application consisting in a flyback DC-DC power converter illustrate the theory. (C) 2018, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved. (AU)

Processo FAPESP: 16/18673-0 - Controladores com comutação via realimentação de saída para sistemas afins a tempo contínuo
Beneficiário:Guilherme Kairalla Kolotelo
Modalidade de apoio: Bolsas no Brasil - Iniciação Científica
Processo FAPESP: 17/20343-0 - Sistemas de controle com comutação: novas perspectivas teóricas e aplicações práticas
Beneficiário:Grace Silva Deaecto
Modalidade de apoio: Auxílio à Pesquisa - Regular