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Design procedure for linear unknown input functional observers

Sakhraoui, Imane and Trajin, Baptiste and Rotella, Frédéric Design procedure for linear unknown input functional observers. (2020) IEEE Transactions on Automatic Control, 65 (2). 831-838. ISSN 0018-9286

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Official URL: https://doi.org/10.1109/TAC.2019.2921435


This paper considers an iterative procedure to design a minimum possible order unknown input functional observer for linear time-invariant (LTI) systems. Necessary and sufficient conditions for the existence of the observer are given. The proposed procedure is simple and is based neither on the solution of a generalized Sylvester equation nor canonical forms. This procedure can be easily implemented due to its incremental form. The main feature of our procedure is then the simplicity of the design. Moreover, in the case of a single functional to be observed, a minimum order stable linear unknown input functional observer is obtained.

Item Type:Article
HAL Id:hal-02160401
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Laboratory name:
Agence Nationale de la Recherche (ANR)
Deposited On:19 Jun 2019 13:57

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