On the Functional Observer Design with Sampled Measurement

Hamed Habibi, Tyrone Fernando, Mohamed Darouach

Research output: Contribution to journalArticlepeer-review


In this paper, a functional observer for continuous systems with sampled measurement is designed for a class of nonlinear systems, operating under unknown inputs, and the existence conditions are derived. The nonlinear function, as a function of full states, is decomposed to Lipschitz term and an unknown one. The stability and boundedness of the estimation dynamics are analyzed and accordingly, the design procedure is formulated as a Linear Matrix Inequality (LMI) problem. Moreover, the design algorithm for some special cases is obtained. The numerical simulations are performed to evaluate the effectiveness of the proposed approach.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalIEEE Transactions on Automatic Control
Publication statusE-pub ahead of print - 2022


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