Lateral running quality and stability design of railway carriages
by P. Michelberger, A. Simonyi, M. Ferenczi
International Journal of Vehicle Design (IJVD), Vol. 3, No. 4, 1982

Abstract: One of the current problems of railway car dynamics is the analysis of lateral motions. This paper seeks to determine, by means of a linear model with 14 degrees of freedom, the transfer characteristics of a railway car's wheel-set. The paper describes, through a course of analysis, the elasticity parameters of wheel-set clamping that result in optimal riding comfort. By applying simultaneous differential equations to the model, and with the aid of the Francis doublestep algorithm, the stability condition of the model is examined and the set of wheel-set clamping parameters that assure stable running are determined. From the construction point of view the railway car model is symmetrical. This symmetry, however, is not realized for some elements, as a result of forces acting between the wheel-sets and the rails. Such a 'quasisymmetrical' model can be easily approached with a transformational process and a symmetrical model.

Online publication date: Sun, 25-May-2014

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