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Analyse comparative de différentes lois de commande en vue du contrôle global du châssis

Abstract : Vehicles equipped with electronics systems are today commonly manufactured. The use and the commercialisation of these systems come from the necessity of the car manufacturers to give to their clients a product capable to have good driving performance together with good safety and comfort. To answer to this customer requirement, it is therefore necessary to put these systems in the new cars.
In this thesis different control strategies are proposed to control the lateral dynamics of the vehicle: controllers with good performances for the yaw and roll dynamics are proposed. The proposed actuators are front steering, rear steering, brake pressure repartition and active suspensions. The thesis is divided in two parts. In the first one control laws are proposed using only one of the previous actuators to control the lateral dynamics. In the second part some strategies with two or more actuators are considered.
Our control laws are obliged to guarantee good driving performances and robustness while considering the evolution of the vehicle's dynamics. Therefore we have decided to use typical robust control methodologies like H-infinity/LPV ones completed with order reduction methods.
The results obtained allow concluding that the chosen methodology is well adapted to our problem. With these results we can also give some indication about the control architecture to guarantee a good compromise between driving performances and industrialisation criteria in the case of control with two or more actuators.
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Submitted on : Monday, April 14, 2008 - 11:44:56 AM
Last modification on : Monday, December 14, 2020 - 12:28:40 PM
Long-term archiving on: : Friday, May 21, 2010 - 1:42:15 AM


  • HAL Id : tel-00273022, version 1



Luca Palladino. Analyse comparative de différentes lois de commande en vue du contrôle global du châssis. Automatique / Robotique. Université Paris Sud - Paris XI, 2006. Français. ⟨tel-00273022⟩



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