The problems of railroad design technical reconstruction aimed at ensuring train protection in introduction of high-speed traffic on the rail lines have been addressed. The description of railroad technical system with certain specific features has been proposed. The pair of mutually dual problems regarding the optimal reconstruction of railway curves for raising train speeds at minimal capital investments has been addressed. The problem of determining the optimal speeds of trains of each category under optimum outer rail cant, increase of the unbalanced acceleration value, compliance with the condition of uniform load on rail tracks, comfortable carriage of passengers, in which reduced costs on increased speeds in curved tracks will be minimal has been formulated. To achieve the goals of the study, mathematical optimization techniques and algorithms of analysis of the rail lines of different nature are used. This, by finding and value engineering optimization, allows to minimize high-value and lengthy procedures of physical simulation. As a problem-solving technique, Lagrange multiplier method and its applicability have been proposed. Numeral solution to the problem of selection of certain stretches for increasing rolling stock speeds on operating lines without reconstruction or with minimum expenses on reconstruction of contour of track has been reviewed.

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УДК 625.11 ОСОБЕННОСТИ ПОВЫШЕНИЕ СКОРОСТЕЙ ДВИЖЕНИЯ ПОЕЗДОВ НА ЖЕЛЕЗНОДОРОЖНЫХ ЛИНИЯХ МЕЖРЕГИОНАЛЬНОГО СООБЩЕНИЯ Канд. техн. наук Г. В. Ахраменко, старш. преп. Т. А. Дубровская ОСОБЛИВОСТІ ПІДВИЩЕННЯ ШВИДКОСТЕЙ РУХУ ПОЇЗДІВ НА ЗАЛІЗНИЧНИХ ЛІНІЯХ МІЖРЕГІОНАЛЬНОГО СПОЛУЧЕННЯ Канд. техн. наук Г. В. Ахраменко, старш. викл. Т. О. Дубровська FEATURES OF TRAINING MOVEMENT OF TRAINS ON RAILWAY LINES OF INTERREGIONAL COMMUNICATION PhD (Tech.) G. V. Akhramenko, senior lecturer T. A. Dubrovskaya Збірник наукових праць Українського державного університету залізничного транспорту Збірник наукових праць УкрДУЗТ, 2018, вип. 182

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