Stabilization of High-Speed Railway Vehicles |
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Authors: | Y.V. Diomin |
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Affiliation: | a Institute of Technical Mechanics, Ukrainian Academy of Sciences, Dnepropetrovsk, Ukraine |
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Abstract: | The problems of critical speeds of railway vehicles with dry friction units determination are discussed. A new approach is used which extends the field of application of dynamic response linear analysis methods to vital nonlinear multibody systems. The special features concerning the influence of dry friction forces in the body supports on the trucks and parameters of horizontal constraints of wheelsets and truck frames on critical speed are indicated. It is shown that a significant rising of railway vehicle critical speeds can be reached by changing the structure of constraints between the body and the trucks. |
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