A New Functional Observer Design of Delayed Singular Systems in Discret-time and Frequency domains

Hamzaoui, Fatma; Khadhraoui, Malek; Messaoud, Hassani

doi:10.1109/iccad49821.2020.9260499

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2022

2023

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Cited by 2 publications

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“…On the one hand, for a class of linear systems, observers are mainly excited by the system input and output and its existence depends on the system observability characteristic ( [15]- [18]). On the other hand, bilinear class systems observability is usually affected by the input.…”

Section: Introductionmentioning

confidence: 99%

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A Contribution in the Observer Design for a Class of Bilinear Singular Delayed Systems

2022

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This paper proposes a functional observer for a bilinear singular systems with constant time delay present in both state and known input vectors. The considered system has transformed to an updated form in order to estimate both a state vector and an unknown inputs functional vector independently from the considered time delay. The necessary conditions for the existence of the functional observer are formulated. The proposed observer design procedure is based on the Lyapunov-Krasovskii theory. Numerical example is given to prove the new approach.

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Section: Introductionmentioning

confidence: 99%

“…Time delay, presented in state and known input vectors, gives rise to an instability system. Thus, stability criteria was considered and tested using different tools (LMI tests) ( [5] and [18]) and according to the Lyapunov Krasovskii theory [21].…”

Section: Introductionmentioning

confidence: 99%