Robust local stabilization of discrete time-varying delayed state systems under saturating actuators

This paper deals with discrete time-varying systems with state-delayed and saturating actuators. A robust state feedback control gain is designed through convex methods ensuring the local stability of the time-varying system with interval time-varying state delay. The estimate of the set of admissib...

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Bibliographic Details
Published inAutomatica (Oxford) Vol. 122; p. 109266
Main Authors Castro, Michelle F.F., Seuret, Alexandre, Leite, Valter J.S., Silva, Luis F.P.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.12.2020
Elsevier
Subjects
Automatic
Engineering Sciences
Robust control
Saturating input
Time-varying discrete-time systems
Time-varying state-delays
Time-varying state-delays
Robust control
Saturating input
Time-varying discrete-time systems
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Summary:This paper deals with discrete time-varying systems with state-delayed and saturating actuators. A robust state feedback control gain is designed through convex methods ensuring the local stability of the time-varying system with interval time-varying state delay. The estimate of the set of admissible initial conditions is characterized by three convex sets allowing less conservative estimates. Through two numerical examples, we compare our approach with others in the literature and illustrate the better behavior of the proposed methods.
ISSN:0005-1098
1873-2836
DOI:10.1016/j.automatica.2020.109266