Stability analysis of High-Speed Railway vehicle using half-car model
by Yung-Chang Cheng, Sen-Yung Lee
International Journal of Heavy Vehicle Systems (IJHVS), Vol. 17, No. 2, 2010

Abstract: A dynamic model of a railway vehicle moving on tangent tracks is developed. The governing differential equations of motion for a 12-DOF half-car system are derived with incorporation of the lateral and yaw movements of each wheel set, the lateral and vertical displacements, and the roll and yaw movements of the truck frame and the half-car body. The effects of physical parameters on critical hunting speeds in the 6-DOF, 8-DOF and 12-DOF models are also investigated. The effect of certain physical parameters, which were not considered in the 6-DOF model, is investigated for wheels of different conicities.

Online publication date: Mon, 10-May-2010

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