Výsledky vyhledávání

Stabilization of switched affine systems with disturbed state-dependent switching laws

Autor: Christophe Fiter, Laurentiu Hetel, Zohra Kader, Lotfi Belkoura

Publikováno v: International Journal of Robust and Nonlinear Control. 28:582-595

In this paper we investigate the stabilization problem for a class of switched affine systems with a state-dependent switching law. Since the states measurements are in general subject to perturbations and noises, we propose a robust switching law de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88de1f5d4bd389a21eb947cfbf2c9556
https://doi.org/10.1002/rnc.3887

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Impulsive observer design for linear systems with delayed outputs

Autor: Gang Zheng, Jean-Pierre Barbot, Zohra Kader

Publikováno v: IFAC-PapersOnLine. 50:1263-1268

This paper investigates the problem of the state reconstruction for LTI systems with time-delayed outputs. The proposed observer allows the reconstruction of the states in two steps. In the first step, an impulsive observer provides an estimation of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::302c8bec2ec06ae6f3aa1187734e2e0e
https://doi.org/10.1016/j.ifacol.2017.08.352

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Reference Tracking for Linear Time Invariant Systems with a Relay Control

Autor: Zohra Kader, Antoine Girard

Publikováno v: IEEE Conference on Decision and Control
IEEE Conference on Decision and Control, Dec 2019, Nice, France. ⟨10.1109/CDC40024.2019.9030267⟩
CDC
2019 IEEE 58th Conference on Decision and Control (CDC)

International audience; This paper investigates the problem of tracking a reference trajectory for Linear Time Invariant (LTI) systems using a relay feedback. First of all, the problem of a reference tracking is reformulated as a stabilization proble

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02522bba90f8c9f592b307fdbc5708e2
https://hal.science/hal-02284785

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Safety controller design for incrementally stable switched systems using event-based symbolic models

Autor: Zohra Kader, Antoine Girard, Adnane Saoud

Publikováno v: European Control Conference
European Control Conference, 2019, Naples, Italy. ⟨10.23919/ECC.2019.8796232⟩
2019 18th European Control Conference (ECC)
ECC

International audience; In this paper, we investigate the problem of lazy safety controllers synthesis for event-based symbolic models of incrementally stable switched systems with aperiodic time sampling. First of all, we provide a novel event-based

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cefbb02745b3eb807c10435ec0761eae
https://hal.science/hal-02054930

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Stabilization by a relay control using non-quadratic Lyapunov functions

Autor: Christophe Fiter, Laurentiu Hetel, Lotfi Belkoura, Zohra Kader

Publikováno v: Automatica
Automatica, 2018, 97, pp.353-366. ⟨10.1016/j.automatica.2018.08.020⟩
Automatica, Elsevier, 2018, 97, pp.353-366. ⟨10.1016/j.automatica.2018.08.020⟩

International audience; In this article we consider the stabilization problem by a relay control using non-quadratic Lyapunov functions. First, a general result is proposed for the case of nonlinear systems. A full state relay feedback controller is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::384d7e982a971ef0da29577eb143e13d
https://inria.hal.science/hal-01871693

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Symbolic models for incrementally stable switched systems with aperiodic time sampling

Autor: Zohra Kader, Antoine Girard, Adnane Saoud

Publikováno v: 6th IFAC Conference on Analysis and Design of Hybrid System, ADHS 2018
6th IFAC Conference on Analysis and Design of Hybrid System, ADHS 2018, Jul 2018, Oxford, United Kingdom. ⟨10.1016/j.ifacol.2018.08.043⟩
ADHS
IFAC-Papers

International audience; In this paper, we consider the problem of symbolic model design for the class of incrementally stable switched systems. Contrarily to the existing results in the literature where switching is considered as periodically control

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5f89e1acfa4099144dc4dc6623876419
https://hal.archives-ouvertes.fr/hal-01760789/document

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Finite-time and asymptotic left inversion of nonlinear time-delay systems

Autor: Jean-Pierre Barbot, Gang Zheng, Zohra Kader

Publikováno v: Automatica
Automatica, Elsevier, 2018, 95, pp.283-292. ⟨10.1016/j.automatica.2018.05.002⟩
Automatica, 2018, 95, pp.283-292. ⟨10.1016/j.automatica.2018.05.002⟩

International audience; In this paper we investigate the left invertibility problem for a class of nonlinear time-delay systems. In both cases of time delay systems with and without internal dynamics the invertibility conditions are given. A new appr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::708c6c25b8b720c020bddf99fe715803
https://hal.archives-ouvertes.fr/hal-01781561/document

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Observer-based relay feedback controller design for LTI systems

Autor: Lotfi Belkoura, Laurentiu Hetel, Christophe Fiter, Zohra Kader

Publikováno v: Control Conference (ECC), 2016 European
ECC 2016-European Control Conference
ECC 2016-European Control Conference, Jun 2016, Aalborg, Denmark. pp.1667-1672, ⟨10.1109/ECC.2016.7810530⟩
ECC

International audience; This paper presents a design approach for observer-based relay feedback controllers. A switching law dependent on the estimation state is designed while usinga Luenberger observer. The stabilization problem leads to qualitativ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b6b259c8a4c4328fc797eda6e658659
https://hal.science/hal-01415095/file/ECC2016.pdf

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Left inversion of nonlinear time delay system

Autor: Jean-Pierre Barbot, Zohra Kader, Gang Zheng

Publikováno v: CDC
IEEE CDC
IEEE CDC, Dec 2014, Los Angeles, United States

International audience; — This paper investigates the left invertibility for nonlinear time delay system with internal dynamics. Under the assumption imposed on the internal dynamics, it has been shown that the unknown inputs can be estimated. Caus

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54d18abf34d284ce1e47681a62047d91
https://doi.org/10.1109/cdc.2014.7039425

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