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”Enhancing the roll stability of heavy vehicles by using an active anti-roll bar system”

Soutenance de la thèse de Van Tan VU le 26/10/2017 à 09:30:00

Lieu : Salle Mont Blanc, 11 rue des mathématiques, St Martin d’Hères

Ecole Doctorale :Electronique, electrotechnique, automatique, traitement du signal (eeats)
Structure de rattachement :
Directeur de thèse : Olivier SENAME


Financement(s) :
-bourse attribuée par un gouvernement étranger


Date d'entrée en thèse: 05/01/2015
Date de soutenance: 26/10/2017

Composition du jury :M. Xavier MOREAU, Professeur, Université de Bordeaux, Président
M. Didier REMOND, Professeur, INSA de Lyon, Rapporteur
M. Thierry Marie GUERRA, Professeur, Université de Valenciennes et du Hainaut-Cambrésis, Rapporteur
M. Peter GÁSPÁR, Directeur de Recherche, Académie des Sciences, Hongrie, Examinateur
M. Olivier SENAME, Professeur, Grenoble INP, Directeur de thèse
M. Luc DUGARD, Directeur de recherche, CNRS Grenoble, Co-Directeur de thèse

Résumé:Vehicle rollover is a very serious problem for the safety of heavy vehicles. Most modern heavy vehicles are equipped with passive anti-roll bars, however they may be not sufficient to overcome critical situations. This thesis focuses on the active anti-roll bar system, which is the most common method used to improve roll stability of heavy vehicles. The thesis research work is divided into three main parts. In the first part, an integrated model is proposed with four electronic servo-valve hydraulic actuators mounted in a linear yaw-roll model of a single unit heavy vehicle. In the second part, the active anti-roll bar system uses two control approaches in the LTI framework: LQR, Hinf. In the third part, the grid-based LPV approach is used to synthesize the Hinf/LPV active anti-roll bar controller with parameter dependant weighting functions, by using LPVTools.
The simulation results, in the frequency and time domains, as well as the validation by using the TruckSim simulation software, show that the active anti-roll bar control is a realistic and efficient solution which drastically improves roll stability of a single unit heavy vehicle, compared to the passive anti-roll bar.

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