High-order sliding mode observers for nonlinear autonomous switched systems with unknown inputs

Héctor Ríos, Jorge Davila, Leonid Fridman

Research output: Contribution to journalArticle

50 Scopus citations

Abstract

The state observation and unknown input identification problems are studied for a class of nonlinear autonomous switched systems. A bank of observers are designed using the high-order sliding mode techniques. The robustness of the high-order sliding mode observers is exploited to provide exact reconstruction of the continuous state and the discrete state even in the presence of unknown inputs. The value of the equivalent injection is used for identification of unknown inputs. Simulation results support the proposed method. © 2012 The Franklin Institute.
Original languageAmerican English
Pages (from-to)2975-3002
Number of pages28
JournalJournal of the Franklin Institute
DOIs
StatePublished - 1 Dec 2012
Externally publishedYes

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