Title: Nonlinear hunting stability analysis of high-speed railway vehicles on curved tracks

Authors: S.Y. Lee, Y.C. Cheng

Addresses: Department of Mechanical Engineering, National Cheng Kung University, Tainan, 701, Taiwan. ' Department of Mechanical Engineering, National Cheng Kung University, Tainan, 701, Taiwan ' '

Abstract: Based on the heuristic nonlinear creep model, the coupled nonlinear differential equations for the motion of a two-axle bogie moving on curved tracks are derived, considering the inertia forces. To illustrate the accuracy of the analysis, the limiting case is examined. Finally, the difference between the influences of the suspension parameters on the critical hunting speed evaluated by the linear creep model and the nonlinear creep model is compared. In addition, the influences of the suspension parameters on the critical hunting speed with various radius of curvature are also presented.

Keywords: curved tracks; heuristic nonlinear creep model; hunting stability; railway vehicles.

DOI: 10.1504/IJHVS.2003.003698

International Journal of Heavy Vehicle Systems, 2003 Vol.10 No.4, pp.344 - 361

Available online: 02 Dec 2003

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