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Conference Papers Year : 2018

Observer with small gains in the presence of a long delay in the measurements

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Abstract

For a particular family of systems, we construct observers in the case where the measured variables are affected by the presence of a point-wise time-varying delay. The key feature of the proposed observers is that the size of their gains is proportional to the inverse of the largest value taken by the delay. The main result is first presented in the case of linear chain of integrators and next is extended to nonlinear systems with specific nonlinearities. A numerical example is provided to show the validity and effectiveness of the proposed observers.
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Dates and versions

hal-01660130 , version 1 (10-12-2017)

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Frédéric Mazenc, Ali Zemouche, Silviu-Iulian Niculescu. Observer with small gains in the presence of a long delay in the measurements. 56th IEEE Conference on Decision and Control, CDC 2017, Dec 2017, Melbourne, Australia. pp.4327-4332, ⟨10.1109/cdc.2017.8264297⟩. ⟨hal-01660130⟩
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