Simulation Analysis of Influences of Anti-Roll Torsion Bar on Vehicle Dynamics

Zhuo Yu He

doi:10.4028/www.scientific.net/AMM.409-410.1486

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 409-410Simulation Analysis of Influences of Anti-Roll...

Simulation Analysis of Influences of Anti-Roll Torsion Bar on Vehicle Dynamics

Abstract:

In the secondary suspension of urban rail vehicles and high-speed passenger trains, combination of air springs and anti-roll torsion bar is widely used. However, in its practical use, cracks appear in the anti-roll torsion bar and vehicle curve performance is lower. Through analysis of anti-roll torsion bar, acceleration being taken into account, the dynamics models of anti-roll torsion bar and the vehicle itself are established. The results indicate that the combination of anti-roll torsion bar and rubber joints is superior to present a more reasonable anti-roll stiffness, to ensure better dynamic performance of the train, and also to lengthen the life of the anti-roll torsion bar.