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Determination of conditions for search of optimal parameters of railway chassis suspensions

Lingaitis L., Dailydka S., Mjamlin S., Prichodko V.

Transport Problems

2008

T. 3, z. 1

77-84

The efficiency of resilient suspension is usually expressed through various combinations of resilient and viscous elements, defined by dynamic and viscosity coefficients and other parameters. The aim of this article is to identify the components of the objective function, establish their weighted values and parameter regimes, and to determine fluctuation limits, initial values, and speeds of optimization parameters, which cannot be established a priori in advance. Calculations aimed at optimization of parameters show that the stability coefficient should be considered the main indicator of the objective function, as this is the first parameter to limit the running speed. Given the increasing speeds of trains, the presented method is very important in calculating suspensions.