Observer Design for Feedforward Nonlinear Systems with Delayed Output

Sungryul LEE  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E97-A   No.3   pp.869-872
Publication Date: 2014/03/01
Online ISSN: 1745-1337
DOI: 10.1587/transfun.E97.A.869
Print ISSN: 0916-8508
Type of Manuscript: LETTER
Category: Systems and Control
feedforward nonlinear systems,  state observer,  delayed output,  

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This paper proposes the state observer design for feedforward nonlinear systems with delayed output. It is shown that by using the Lyapunov-Krasovskii functional, the proposed design method ensures the asymptotic stability of estimation error for an arbitrarily large output delay. Finally, an illustrative example is given in order to show the effectiveness of our design method.