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Conference Papers Year : 2022

New Finite-Time Observers design for a Discrete-Time Switched Linear System

Abstract

In this work, we consider a discrete-time switched linear system. A novel approach is introduced to estimate its state in a finite fixed time which can be arbitrarily chosen and is independent of the initial state. For cases where the additive disturbance and measurement noise are known, we provide an exact estimation. Otherwise, a finite-time interval observer is designed. The crucial idea is based on using past values of the input and output of the studied system and a minimal dwell time condition. Simulation results are provided to illustrate the effectiveness of the proposed techniques in different scenarios of finite time choices.
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Dates and versions

hal-04071319 , version 1 (17-04-2023)

Licence

Attribution - NonCommercial - NoDerivatives

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Leila Dadi, Thach Ngoc Dinh, Tarek Raïssi, Haifa Ethabet, Mohamed Aoun. New Finite-Time Observers design for a Discrete-Time Switched Linear System. 1st IFAC Workshop on Control of Complex Systems, Nov 2022, Bologne, Italy. pp.73-78, ⟨10.1016/j.ifacol.2023.01.051⟩. ⟨hal-04071319⟩
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