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Analyse et synthèse des modèles non linéaires périodiques : application au moteur à allumage commandé

Abstract : This work focus on the analysis and synthesis for nonlinear periodic system via a polytopic form in discrete time. Some theoretical developments are proposed in the case of a particular class of model called Tagaki-Sugeno (TS) fuzzy model. On one hand, the problem of reduction of the conservatism of the stability condition is treated using a new non quadratic Lyapunov function in the discrete case. On the other hand, theoretical results about the control and observer design for discrete periodic TS models, with and without time delay are exposed. The applicative developments mainly concern the individual cylinder estimation for a four stroke spark ignition engine. The proposed theoretical tools are used to estimate individual mass flow rate of gas going in and out the cylinders, and also all the air-fuel ratio. Real time trials on a engine test bed are provided to show the interest of the used approach.
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https://hal-uphf.archives-ouvertes.fr/tel-03012519
Contributor : Aurélien Vicentini Connect in order to contact the contributor
Submitted on : Wednesday, November 18, 2020 - 3:49:49 PM
Last modification on : Tuesday, October 19, 2021 - 6:38:14 PM
Long-term archiving on: : Friday, February 19, 2021 - 8:07:29 PM

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  • HAL Id : tel-03012519, version 1

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Hichem Kerkeni. Analyse et synthèse des modèles non linéaires périodiques : application au moteur à allumage commandé. Sciences de l'ingénieur [physics]. Université de Valenciennes et du Hainaut-Cambrésis, 2011. Français. ⟨NNT : 2011VALE0007⟩. ⟨tel-03012519⟩

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