Modelling, parameter estimation and testing of a vehicle with anti-roll systems

Engineers Australia
Publication Type:
Conference Proceeding
Proceedings of the 6th Australiasian Congress on Applied Mechanics, 2010, pp. 1 - 10
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In this paper a 4-DOF half-car model is developed for the study of vehicle anti-roll systems, such as anti-roll bars, hydraulically interconnected suspensions and active suspensions. The paper covers three parts: vehicle modelling, parameter estimation and experimental comparison of two passive anti-roll systems. For the vehicle model, a torsional spring is adopted to represent the equivalent roll stiffness of an anti-roll system. The advantage of this model is that, by separating the anti-roll system from vehicle model, the vehicle parameter and anti-roll system parameters can be estimated separately. Furthermore, the different anti-roll systems can be compared easily with the same vehicle condition through increased vehicle roll stiffness.
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