Using mathematical models of dynamic systems "crew-track" powers to study the interaction of rolling stock and tracks underground
Journal Title: Інформаційно-керуючі системи на залізничному транспорті - Year 2017, Vol 22, Issue 1
Abstract
Most studies that have examined the interaction track and rolling stock, defined vertical or horizontal lateral forces acting on the track by driving crews in straight and curved sections of track. However, in terms of metro (small radius curves, especially special rolling stock, especially the modes of rolling stock) should be considered significant nonlinearity dependence, including nonlinearity discontinuous type. As for nonlinear systems superposition principle cannot be applied, research carried out on non-linear spatial model. This publication held definition of vertical and horizontal transverse dynamic forces arising from the interaction of rolling stock and tracks underground. Determination was carried out on the basis of previous studies in which developed models and methods of calculation of such forces. Determined the conditions for the emergence and importance of nonlinear forces guiding the light rail rigidity yarn at its bending, twisting and energy dissipation in the horizontal plane. Included impact tilt rails and super elevation in curves. The article shows the implementation of mathematical models using Matcad. The novelty of the approach studies the interaction of rolling stock and metro lines is the account of and evaluation of exactly horizontal transverse forces.
Authors and Affiliations
A. N. Darenskiy, A. S. Malishevskaya
Multi-objective optimization Luby codes based on natural computing
In modern packet-switched telecommunications networks error correcting coding used at different levels of the Open Systems Interconnection model. At the physical and data link layers to correct and detect errors in packe...
Calculation of the effect of nonlinear effects in DWDM systems on the energy characteristics of a signal
Nowadays DWDM (Dense Wavelength - Division Multiplexing) technology that allows increasing manyfold bandwidth capability of existing telecommunication systems and combining different types of telecommunication technologi...
Method of estimation the efficiency of image segmentation
The article is devoted to the development of a method for evaluating the efficiency of segmentation of textual informative image areas, similar in color and structure, obtained as a result of aerial photography. Remote s...
Formalization of technology for processing of railcar flows with dangerous goods at railway switchyard stations based on risk exposure
The volumes of transportation of dangerous cargoes by railways of Ukraine from year to year only increase. At the same time, the high level of competition in the transport market dictates the need to develop and implemen...
The method of image restoration based on the mathematical apparatus of artificial neural networks of the advanced method of hierarchical interpolation
The paper proposes a new compression method and an algorithm based on it, which is a generalization of the known method of decoding with transformation in the case of three-dimensional hyperspectral data. The task of cho...