Active longitudinal load transfer control for improving vehicle's stability
by Arash Hosseinian Ahangarnejad; Stefano Melzi
International Journal of Vehicle Performance (IJVP), Vol. 5, No. 1, 2019

Abstract: This paper investigates the effectiveness of an active suspension system designed for regulating the normal force distribution during transients in a passenger car. The proposed control logic modifies the front-rear load distribution to influence the understeer-oversteer response of the vehicle; in particular, actuators of active suspensions are used to generate a system of inertia forces on the car-body for producing a longitudinal load transfer even at constant speed. The proposed control logic is tested numerically with a 14 degree-of-freedom vehicle model: open-loop manoeuvres like lane change and step steer were considered. Simulation results put into evidence that the system can improve of vehicle's stability during fast transients.

Online publication date: Wed, 19-Dec-2018

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