Analysis of Roll Control System to Eliminate Liquid Sloshing Effect on Lateral Stability of an Articulated Vehicle Carrying Liquid

In this paper, in order to limit the liquid sloshing effect on lateral dynamic of an articulated vehiclecarrying liquid, an active roll control system is proposed. First, a sixteen-degrees-of-freedom nonlineardynamic model of an articulated vehicle is developed then, using TruckSim software the model isvalidated. Next, the dynamic interaction of the fluid cargo with the vehicle, by integrating a quasidynamicslosh model with a tractor semitrailer model is investigated. In order to design the controlsystem, sliding mode control is used. Also, to investigate the rollover stability of the vehicle, lateralload transfer ratio is considered as an important factor. The dynamic system performance for differentfilled volumes is exhibited in stepsteer and slalom standard maneuvers. The simulation results showthat the proposed roll control system performs appropriately in target control achievement and lateralload transfer ratio reduction.