bluuebunny/crossref_metadata_2025 huggingface dataset:
SOME ASPECTS OF THE TECHNOLOGY DEVELOPMENT OF QUALITY MANAGEMENT SYSTEMS ON THE RAILWAY TRANSPORT
Authors: Tkachenko O. P. , Moskalets V. Ya. , Yanhulov M. P. , Patsovskyi R. Yu.
Published: June 2023

The article is devoted to some questions of technology of development of the control systems by the quality on the enterprises of railway transport, related to perfection of organizational structure of management by the enterprises of railway transport, determination of processes on enterprises and procedures on their implementation, and also creation of standards of enterprise, regulative his activity.
THE MAIN DIRECTIONS OF THE ENERGY EFFICIENCY OF RAILWAY TRANSPORT OF UKRAINE
Authors: Malyshko I. V.
Published: June 2023

In the article there are the considered basic directions of energy economy on the railway transport ofUkraine.
NEW DEVELOPMENT SOCIETY WITH LIMITED LIABILITY SCIENTIFIC-PRODUCTION ENTERPRISE «ES POLIMER»FOR ELECTRIFIED RAILWAYS
Authors: Shumilov Yu. M.
Published: June 2023

New developments of polymeric constructions for the electrified railways are considered in the article.
INVESTIGATION OF THE ACCURACY OF THE POLAR METHOD OF SHOOTING RAIL CURVES
Authors: Korzhenevych I. P. , Renhach M. H. , Loshkarev M. O.
Published: June 2023

Questions of accuracy new polar way of shooting of railway curves are considered.
CAUSES AND MEASURES TO PREVENT THE DEVELOPMENT OF FATIGUE DEFECTS RAILS
Authors: Myroshkin V. O.
Published: June 2023

Measures on warning of origin of tireless defects on the surface of rolling of head of rails are described in the article.
THE CREATION OF REGULATORY SUPPORT TO THE DYNAMICS OF THE ORGANIZATIONAL MANAGEMENT STRUCTURE OF THE METROLOGICAL SERVICE
Authors: Lariushkin V. L.
Published: June 2023

The normative providing of organizational structure of management of metrology service is described in the article.
THE DESIGN OF TECHNICAL FACILITIES REVIEW FOR TRAINING SPECIALISTS OF RAILWAY TRANSPORT
Authors: Myamlin S. V. , Blokhin Ye. P. , Zhyzhko V. V. , Pysmennyi Ye. O.
Published: June 2023

In article varies types of simulators for training of specialists of railway transport analyzed.
THE RESULTS OF EXPERIMENTAL CAR STUDIES FOR THE ROLLED SHEET CARRIAGE
Authors: Myamlin S. V. , Yalovyi O. I. , Lozova A. Ye.
Published: June 2023

In article the main results of previous tests of platform-car for wider steel are presented. The platform-car has dynamics and strengths qualities for operation on railways with velocity up to120 km/h.
CHART ISHIKAWA – THE WAY TO IMPROVE THE QUALITY OF RAILWAY TRANSPORT
Authors: Tymofieieva L. O. , Dakhnova O. O.
Published: June 2023

Application of the Ysykavy diagram at research of unevenness of diameter of wheel is considered.
THE IMPLEMENTATION OF TQM PRINCIPLES IN THE ACTIVITIES OF THE CERTIFICATION BODY OF PERSONNEL
Authors: Khimicheva H. I. , Mukharovskyi M. Ya. , Hlukhova O. I.
Published: June 2023

Realization of the TQM principles in activity of organ on certification of personnel is considered in the article.
THE USE OF PUMPING WELLS TO PROTECT GROUNDWATER FLOW FROM POLLUTION
Authors: Beliaiev M. M. , Kalashnikov I. V.
Published: June 2023

A numerical model to calculate the process of ground waters protection from pollution with the use of wells has been proposed. The model is based on the 2-D equations of filtration and admixture transfer. Results of numerical experiment are presented.
TO PROTECT THE ATMOSPHERE FROM POLLUTION BY THE APPLICATION OF AIR ASCENDING JETS
Authors: Beliaiev M. M. , Lysniak V. M.
Published: June 2023

A 3-D computer model has been developed to simulate the atmosphere protection from pollution with the use of vertical air jet in case of movement of a toxic cloud. The model is based on the gradient transport model and potential flow model numerical integration. Results of numerical experiments are presented.
NUMERICAL MODELING OF DISSOLVED SUBSTANCES IN THE MIXING CHAMBER
Authors: Beliaiev M. M. , Melnyk I. Ye.
Published: June 2023

A 2-D computer model has been developed to simulate a dissolution process in a mixing chamber. The model is based on the gradient transport model and potential flow model numerical integration. Results of numerical experiments are presented.
NEW WAYS OF SHOOTING RAIL CURVES
Authors: Korzhenevych I. P.
Published: June 2023

The article examines drawbacks of existing methods of rail curves survey and proposes new ones, providing greater accuracy of the measurements.
THE CHANGE IN THE EQUIVALENTS OF PROCESSED CARS AND SAVE LOCOMOTIVE AND BRIGADE-HOURS IN THE MARKET OF TRANSPORT SERVICES
Authors: Papakhov O. Yu. , Okorokov A. M.
Published: June 2023

The article considers influence of the cars overwork equivalents and the saving of the hours-per-locomotive and the hours-per-brigade on calculation of the trains forming plan and the change of these values in conditions of the transport market.
THE ESTIMATION OF ACCURACY AND OPTIMIZATION PROCEDURES OF THE SURVEYING RAIL CURVES
Authors: Korzhenevych I. P. , Renhach M. H. , Loshkarev N. O.
Published: June 2023

The estimation of accuracy of existing methods of rail curves survey is considered and recommendations on its improvement are provided.
A MATHEMATICAL MODEL OF THE DYNAMICS OF AXIAL TRACTION DRIVE WITH VARIATIONS OF THE OVER SPRING STRUCTURE
Authors: Kryviakin H. V.
Published: June 2023

A mathematical model has been developed allowing to determine a value of dynamic moment on the shaft of a traction motor in view of oscillations of the body and bogies in the locomotive movement on continuous and isolated irregularities. Numerical values of amplitudes of oscillations of a body, vehicles and the dynamic moment on the shaft of a traction motor are obtained at driving the locomotive with a speed 160 km/h.
THE BRAKE EFFICIENCY OF PASSENGER CARS IN THE VARIOUS INSTALLATION OPTIONS PADS
Authors: Babaiev O. M. , Yakovenko M. O.
Published: June 2023

The authors have analyzed the efficiency of a car brake, being equipped by either compositional or cast-iron shoes, with and without consideration of the under-car generator movement resistance.
THE DEVELOPMENT OF A MODEL SYSTEM OF DECISION SUPPORT FOR RAILWAY TRANSPORT
Authors: Lavrukhin O. V.
Published: June 2023

The article examines possibilities of creation on the railway transport of the adequate decision-making support system on the basis of the fundamentals of the fuzzy sets and fuzzy logic theories.
MATHEMATICAL MODEL OF SPATIAL OSCILLATIONS OF A SPECIALIZED PLATFORM
Authors: Yalovoi O. I.
Published: June 2023

The paper presents a mathematical model of spatial oscillations of six-axle specialized railway platform for transportation of scrap. The model is used for determination of dynamical indices of the specialized platform at the design stage.
THE EFFICIENCY OF BRAKING PERFORMANCE OF PASSENGER TRAINS - ACTUAL AND REGULATIONS
Authors: Halai E. I. , Rudov P. K.
Published: June 2023

The results of braking test of passenger trains equipped with cast iron and composite braking shoes have been provided; the causes of the braking efficiency decline have been stated; recommendations on improvement of the standards and increase of the train braking force have been made.
EXPERTISE IN TECHNICAL TERMS - AN IMPORTANT STAGE IN THE DEVELOPMENT AND MANUFACTURE OF PRODUCTS FOR RAILWAY ROLLING STOCK
Authors: Myamlin S. V. , Dubynets L. V. , Vyslohuzov V. T. , Duhanov O. H.
Published: June 2023

An important stage of development and manufacture of the products and parts for rolling stock is a quality expertise of draft specifications at a stage of their development. The article enlists the component parts of the specifications project, the estimation criteria of the project conformity to the existing norms and legal documents, the main characteristic drawbacks of projects and a mechanism of their removal.
TRENDS IN IMPROVING THE STRUCTURAL DESIGN OF RAIL TANK CARS FOR THE TRANSPORTATION OF PETROLEUM PRODUCTS
Authors: Miamlin S. V. , Bubnov V. M. , Lavrenko D. T.
Published: June 2023

An analysis of main engineering designs for constructions of tank cars for transportation of light oil products is presented in the paper. A special attention is paid to the connection unit of boiler and wagon frame.
THEORETICAL STUDIES OF THE STRUCTURAL COMPATIBILITY OF THE MATERIALS OF THE OLD AND NEW CONCRETES DURING REPAIR OF TRANSPORT FACILITIES
Authors: Hromova O. V.
Published: June 2023

The article considers application of the finite-element analysis method of the ANSYS software for solution of tasks related to structural compatibility of the materials in the basis of a building structure – the old concrete and repair material vs. the new concrete with the purpose of theoretical substantiation of the coupling processes in repair of transport constructions.
THE FORMATION OF LEAD-ACID BATTERIES WITH A FORCED-DRIVEN CIRCULATION OF THE ELECTROLYTE
Authors: Dzenzerskyi V. O. , Burylov S. V. , Buriak O. O. , Skosar V. Yu. , Vyduta Ye. L. , Skosar Yu. I. , Anikeiev Ye. V.
Published: June 2023

A device for formation of lead-acid accumulators has been developed, which employs a forced controlled circulation of the electrolyte. The device is aimed at equalizing the technical characteristics of the accumulators. It helps extend the lifetime of the lead-acid accumulators and the batteries.
ABOUT THE IMPACT OF SEPARATION OF MAGNETIC FLUX ON THE FLUCTUATIONS OF THE CREW IN THE SYSTEM OF ELECTRODYNAMIC LEVITATION
Authors: Dzenzerskyi V. O. , Zeldina E. O. , Finahina I. I.
Published: June 2023

The joint vertical and lateral oscillations of a moving superconductive magnet in the electrodynamic levitation system with the discrete track structure have been researched. There has also been studied the effect of magnet flow separation into oscillation processes in the moving magnet. It has been shown that introduction of the extra superconductive coils enables to modify the own frequencies of vertical magnet oscillations.
OPTIMIZATION OF THE COMPOSITION OF THE DRY MIX FOR REPAIR OF CONCRETE STRUCTURES BY INJECTING
Authors: Zinkevych A. M.
Published: June 2023

The structure of successive optimization is considered on the example of development of formula for injection repair mixture in the shape of concrete-based dry mortar.
RESEARCH OF MATHEMATICAL MODEL OF THE ACTUATOR WITH A LINEAR SYNCHRONOUS MOTOR IN TRANSIENT REGIMES
Authors: Zaitsev O. M. , Voskoboinik V. E. , Komarov S. V. , Voroshylov O. S.
Published: June 2023

The article has investigated a mathematical model of an electric drive with linear synchronous motor in transition regimes. Results of the modelling have been presented. The model allows to investigate electromechanical and thermal processes in the linear electric drive in view of structural features and the values of parameters.
BASIC PRINCIPLES AND REQUIREMENTS FOR COST MANAGEMENT OF CONSTRUCTION PROJECT
Authors: Klochko B. H. , Prylepova M. O.
Published: June 2023

The basic questions of computer-integrated calculation of the project parameters are examined, in particular, the project cost in its integrity with other parameters. The project cost is one of the measurable, controlled and manageable parameters. From here follows the necessity of clear formulation of principles and determination of requirements to the project cost management.
DEVELOPMENT OF HIGH-SPEED SOLUTIONS FOR REPAIR OF CONCRETE AND STONE TRANSPORT FACILITIES BY WAY OF THE UNDERWATER INJECTION
Authors: Momot V. O.
Published: June 2023

The article presents results of the studies regarding development of high-agility mortars for repair of concrete and stone-based transport erections by way of subwater injecting. Basing on results of the study, recommendations have been given for fabrication of high-agility mixtures and corresponding technology has been proposed.
THE NEGATIVE IMPACT OF BIO CORROSION PROCESSES EMBEDDED IN SOFT SOIL BUILDING CONSTRUCTION
Authors: Horetskyi D. V.
Published: June 2023

The article enlists the reasons of occurrence of environmental problems in the underground space of big cities, describes the origins of the negative influence of bio-corrosion in conditions of weak soils, gives characteristics of the influence of a negative state of bio-corrosion on the building constructions submerged info the ground and recommends the options of protecting the building structures from bio-corrosion, including constructive, sanitary & hygienic and chemical measures.
PECULIARITIES OF FORMATION OF THE PASSBAND OF THE DISLOCATION STRUCTURE DURING CYCLIC LOADING OF COLD-FORMED STEEL
Authors: Vakulenko I. O.
Published: June 2023

Investigations of the structure of cold rolling 20% low carbon steel showed the existence of a considerable volume of ferrite that have periodic dislocation structures, similar to dislocation cells. After four alternating bending cycles, there have ben noted changes in the dislocation distribution in cells and the strip structure.
FOREIGN AND DOMESTIC EXPERIENCE OF INTRODUCTION OF INFORMATION TECHNOLOGIES ON RAILWAY TRANSPORT
Authors: Kharchuk O. H.
Published: June 2023

Preservation of the potential of Ukraine’s railway system and its role as the basic socio-economic system of Ukraine, consolidation of its positions on the market of transport services and integration into the Paneuropean transport system will be possible only with the help of further development of management automation in logistics, integration of new automates systems and informational support of the production processes in the railway enterprises and the railway complex of Ukraine as a whole.
MODEL RELIABILITY OF TANK STRUCTURES
Authors: Semenets S. S. , Afanasiev V. P.
Published: June 2023

Conditions of serviceability of the basic constructive elements of steel tanks for mineral oil while in service are formulated. The new models of operational reliability giving the generalized estimation of influence of factors of initial deficiency, operational damageability and restoration on carrying capacity of oil tanks are offered.
THE METHODOLOGY FOR DETERMINING THE MOBILITY RATE OF THE COMPLEX FOR THE ASSEMBLY AND LAYING OF RAILWAY TRACKS
Authors: Sendetskyi M. M.
Published: June 2023

The article considers theoretical grounds for efficiency criterion of assembly-making/laying complexes being formed, with subsequent development of methods of technical means selection.
METHOD OF CONSTRUCTING TRANSVERSE INFLUENCE LINES OF DISTRIBUTION COEFFICIENTS EFFORT BETWEEN BEAMS IN SPANS OF HIGHWAY BRIDGES ACCORDING TO THE STATIC TEST
Authors: Sukhorukov B. D.
Published: June 2023

The article proposes a method of constructing the transversal lines of distribution ratios influence for the span structures of road bridges, based on the results of just one application of tester loading.
SIGNS OF CONSUMERISM IN THE INVESTMENT ACTIVITIES OF JOINT STOCK COMPANIES
Authors: Herasymova S. V.
Published: June 2023

Such category as «economic interest» is examined as an element of consumerism. The accent is made on the economic interests which are pursued by the subjects of a joint-stock company during realization of investment activity. In relation to harmonization of these interests, there have been proposed specific administrative actions, with account of the other identifying signs of consumerism.
THE CONCEPT, TRAITS AND CHARACTERISTICS OF THE DIRECTOR-ORGANIZER-MANAGER PERSONALITY
Authors: Čekerevac Zoran , Ristić Slobodan
Published: June 2023

After the analysis of the concept and meaning of management, the paper further analyzes the traits and characteristics of the manager and good management. A special emphasis is put on the specific characteristics of management within railway transportation firms, while the most characteristic traits which enable a manager to achieve the aims of management have been particularly scrutinized. The paper may be useful for all the managers dealing with the tasks of railway industry and railway transport
METHODOLOGICAL APPROACHES TO THE ANALYSIS OF EXPENSES LOCOMOTIVE FACILITIES OF RAILWAY TRANSPORT OF UKRAINE
Authors: Kalambet S. V. , Pryvalova L. V. , Serhienko M. M.
Published: June 2023

Аrticle is devoted to working out the systematic approaches to locomotive enterprises expenses analysis in railway transport. Its main idea lies in the necessity of both conducting the full expenses analysis and the analysis of particular transportations, services and types of traction. This aims getting more information and efficiency in the expenses control.
THE DEVELOPMENT OF ACCOUNTING AND ANALYSIS IN THE SYSTEM OF ECONOMIC MANAGEMENT OF THE ENTERPRISE (ORGANIZATION AND BUSINESS ASPECT)
Authors: Fisunenko P. O. , Kosenko L. Ye. , Bolsunova M. O.
Published: June 2023

A general view of the system of the economic management of an enterprise is presented. The subsystem of production costs management is examined in details. The goal and criteria of this system are defined. The requirements for the design of accounting and analytic support are set forward. Various kinds of analysis (quantitative, qualitative, factorial), on the basis of which the management is to take decisions regarding the ways of increasing the production efficiency, are considered.
THE TAX SYSTEM AND ITS IMPACT ON FINANCIAL-ECONOMIC ACTIVITY OF ENTERPRISES
Authors: Shulha A. A.
Published: June 2023

The article studies the influence of indirect taxes, excises in particular, on the financial and economic activities of enterprises in condition of economic transformation inUkraine.
THE MODEL OPTION CONTRACT WITH INTERCHANGEABLE TERM
Authors: Yakovenko Ye. O.
Published: June 2023

An economic and mathematical model has been developed which can be used for improvement of the mechanism of hedging investments on the financial market with the aim of drawing an economic profit while using modern types of monetary instruments.
MODELING THE FLOW OF TOXIC GAS IN THE CAR
Authors: Beliaiev M. M. , Duhanov O. H. , Lysniak V. M.
Published: June 2023

A method to predict people poisoning in a car moving through a toxic gas cloud has been developed. The method is based on a numerical model of the process. To describe the toxic gas cloud migration the 2D transfer model is used. A balance relationship is used to calculate toxic gas concentration in a car. A method of calculation of toxic gas neutralization in the cloud with moving jets has been proposed.
DIMENSIONLESS TRACTION CHARACTERISTICS OF LOCOMOTIVES
Authors: Bosov O. O. , Taran O. V.
Published: June 2023

A dimensionless mathematical model has been constructed for tractive performance description of diesel locomotives.
SUBOPTIMAL CONTROL OF SINGULARLY DRILLED WITH THE DISTRIBUTED SYSTEM
Authors: Mykhailova T. F.
Published: June 2023

The article proposes a method of approximated solution of a singular/excited task of optimal control of the intensive electrolysis process. The suboptimum control and the quality criterion, using asymptotics of the zero order, have been constructed and the closeness of obtained approximated solutions to the exact ones has been assessed.
THE STUDY OF CARBON COPPER AND EPOXY POLYMERATION FOR REPAIR OF STRUCTURES TRANSPORT STRUCTURES
Authors: Krasniuk O. V. , Kireiko O. L. , Kharchenko K. S.
Published: June 2023

The article represents results of the studies, which have allowed determining optimum components correlations polymeric mortars based on КF-МТ-15 carbamide resin and ED-22 epoxy resin to obtain highly efficient materials for repair of transport facilities.
THE STRUCTURE OF SUPPORT DESIGN DECISIONS SYSTEM DURING THE DESIGNING OF GLASS UNIT
Authors: Lisnevskyi R. V.
Published: June 2023

The article determines basic factors and characteristic features in the project decision-making process in designing glass packages, which generate the task of its improvement. The basic way of its solution is considered, in the quality of which a system of project decisions support is offered. The list of basic functions of the project decisions support system, based on the analysis of the designer’s activity structure at selecting the option of project decision, is offered for consideration. The developed structure is rather flexible and universal, which allows to use it for solving the designing tasks. Realization of the offered approach will allow to improve the quality of project decisions and efficiency of designing the glass packages in constructional structures.
THE CAPITAL FORMATION AS THE FORMATION OF THE PROPERTY OF EMPLOYEES IN THE DEVELOPMENT OF MODERN MARKET ECONOMY
Authors: Bash O. S.
Published: June 2023

The article considers issues of formation of hired employees’ joint-stock property in the conditions of presentday market economy in Ukraine.
THE FORMATION OF EFFECTIVE TRANSPORTATION SYSTEMS ON THE BASIS OF TARIFF REGULATION IN THE CONDITIONS OF MARKET RELATIONS
Authors: Yelovyi I. O.
Published: June 2023

The article considers conceptual principles of formation of efficient transport & technological systems on the basis of tariff regulation. It enlists the principles for application of progressive delivery systems and the zones of their rational use.
FORMALLY STRUCTURAL MODELING OF ECONOMIC SYSTEMS
Authors: Ilman O. V. , Ilman V. M.
Published: June 2023

For modelling economic systems, it has been proposed to use a model of formal structure systems, which has the property of formal system, algebra and structure (composition). An example of the modelling of a bookkeeping system has been considered.
THE FORMATION OF THE MODERN SOCIO-ECONOMIC RELATIONS AS THE BASIS OF THE MARKET ECONOMY OF UKRAINE
Authors: Kovalchuk T. O.
Published: June 2023

The article examines the features of formation of new quality of socio-economic relations in Ukraine at the present stage.
THE FORMATION OF THE TRANSPORT SYSTEM AND ITS IMPACT ON THE TRANSFORMATION OF THE FUEL AND ENERGY COMPLEX OF UKRAINE
Authors: Pokotilov A. A. , Sytnyk V. V.
Published: June 2023

Ways of formation of the transport system have been provided its influence on the transformation of fuel & power generation complex of Ukraine in the conditions of establishment of modern market economy.
THE RATIONALE FOR CALCULATING THE RATE OF DISCOUNTING INVESTMENT PROJECTS OF UZ
Authors: Sherepa O. M.
Published: June 2023

The article substantiates the calculus of the discount rate for increasing efficiency of Ukrzalizniza’s investment projects.
ABOUT THE CONCEPTS OF STATISTICAL MEASUREMENTS
Authors: Blohin Ye. P. , Korotenko M. L. , Granovskyi R. B. , Harkavi N. Ya. , Fedorov Ye. F. , Fylypenko Ye. I. , Lytvynenko O. M.
Published: June 2023

There are described four concepts of the statistical measurements and the methods realizing these concepts for processing the observations. There are adduced the examples in which correct and incorrect using of the results obtained by this methods for solutions of the industrial problems are demonstrated.
ECOLOGICAL AND ECONOMIC ANALYSIS OF PRODUCT LIFE CYCLES
Authors: Pryhara I. O.
Published: June 2023

In the article the basic stages of life cycle of ecological commodity, the analysis of charges and income on every stage, the ways of prolongation of life cycle of commodity are studied, and also the estimation of life cycle of the commodity is conducted.
FLUORINE AND TENSIDE CONTAINING FILM FORMING COATING AS A WAY TO SAVE THE LIGHT FRACTIONS OF THE HYDROCARBON COMPOUNDS IN THE TANKS
Authors: Spaska O. A. , Ivanov S. V.
Published: June 2023

The composition and properties of fluorosurfactant protective coating against evaporation of light fractions of petrols during their long-term storage in reservoirs are analysed, the research of protective coating components interaction is conducted, and their IR-spectra are computed by a quantum-mechanical method using Hiperchem program package.
THE ROLE OF RAILWAY TRANSPORT OF UKRAINE IN ENSURING A WELL-ESTABLISHED DEVELOPMENT SOCIETY
Authors: Barash Yu. S. , Korzhenevych I. P.
Published: June 2023

The railway transport ofUkraineis examined from positions of the sustainable development.
THEORETICAL APPROACHES TO THE STATE STRATEGY OF RAILWAY TRANSPORT DEVELOPMENT
Authors: Deineka O. H. , Mishchenko O. O.
Published: June 2023

The theoretical approaches to development of strategy of the state regulation of railway transport ofUkraineare exposed.
THE COMPONENTS ECONOMIC SUBSTANCE OF THE SYSTEMS MAINTENANCE AND REPAIRS OF FIXED ASSETS OF REGIONAL GAS SUPPLY SYSTEM
Authors: Korol H. O. , Trush Yu. T.
Published: June 2023

The components of system of service and repairs of main means of regional gas supply system are determined, assets, their terminology according to interbranch and branch standards is specified.
PRODUCTIVITY IN RAILWAY TRANSPORT
Authors: Romanko V. I. , Romanko O. V.
Published: June 2023

The labor productivity on railway transport ofUkraine, the methods of its calculation at facilities and the factors affecting its changes are considered in the article.
THE SIMULATION SYSTEM OF TRACTION POWER SUPPLY FOR THE STUDY OF THE ELECTRICAL ENERGY QUALITY TO THE TRACTION SUBSTATIONS OF AC
Authors: Bosiy D. O.
Published: June 2023

The existing methods of calculation of electromagnetic processes in the systems of traction AC power supply have been analyzed. The modern simulation methods for studying the electromagnetic processes have been proposed. The expression for calculation of current distribution functions by means of matrix algebra has been obtained. The sequence of simulation modeling has been presented.
THE DETERMINATION OF THE CURRENT CHANGE RATE IN THE CIRCLES OF THE TRACTION MOTORS OF THE ELECTRIC ROLLING STOCK WITH DIFFERENT MODES
Authors: Karzova O. O.
Published: June 2023

In the article the issues of increase in operation rate of devices of power circuits’ protection for the electric rolling stock are considered, the mathematical model of an engine of consecutive excitation is presented and the results of modeling of transition processes in a start-up mode at different voltage values in the contact mains are given.
THE ESTIMATION METHOD OF RESIDUAL RESOURCE OF PLATTER PORCELAIN INSULATORS
Authors: Kim Ye. D. , Sychenko V. H. , Taran V. M.
Published: June 2023

The efficiency of sorting of defective dish-shaped porcelain insulators on the criterion of tgδ ≥ 0,08 is justified. It is demonstrated the possibility of estimation of the insulation condition and remaining resource of the insulators on a railway line under operation by means of selective measurement of tgδ.
THE INFLUENCE OF THE MAGNET SHAFT OF CURRENT TRANSFORMER AND SWITCHING TRANSISTORS ON THE POWER FACTOR OF THE STATIC SEMICONDUCTOR CONVERTERS OF UNIFORM STANDS FOR TESTING ELECTRIC TRACTION MOTORS
Authors: Loza P. O.
Published: June 2023

With the aim to develop the recommendations for increasing the capacity factor of static converters for the traction electric machines’ test stand this research has been carried out.
THE DETERMINATION OF THE SPECIFIC VOLUME OF STATIC CONVERTERS OF ASYNCHRONOUS TRACTION DRIVE
Authors: Muha A. M.
Published: June 2023

Issues of determination of the specific volume of steady-state converters for multi-system electric rolling stock of railways are discussed in the article.
THE SYSTEMATIZATION OF RAILWAY WHEELS DEFECTS
Authors: Gryshchenko M. A.
Published: June 2023

In the article the research results of occurring defects in railroad wheels, the systematization and attempt of explaining the causes of occurring them are presented.
THE DEPENDENCE OF THE STRUCTURAL CHANGES ALONG THE RUNNING SURFACE OF RAIL WHEELS ON THE TYPE OF BRAKE SYSTEM
Authors: Vakulenko I. O.
Published: June 2023

The destruction occurrence in a railroad wheel is caused by formation of the high local stresses produced by the inhomogeneous plastic deformation, the cyclic temperature change during and after braking as well as the type of brake system.
THE USE OF THERMAL HARDENING ELEMENTS OF RAILWAY WHEELS TO IMPROVE THE OPERATIONAL RELIABILITY
Authors: Vakulenko I. A. , Perkov O. M.
Published: June 2023

In the article the solution of urgent scientific and technical problem is considered – the development of technology of hardening thermal treatment of railroad wheels.
WELDING TECHNOLOGY WITH THE USE OF VARIOUS ENERGY SOURCES
Authors: Vakulenko I. O. , Plytchenko S. O.
Published: June 2023

The paper presents technologies of welding with the use of different energy sources.
THE APPROACHES TO THE IMPROVEMENT OF THE WORK TECHNOLOGY OF THE BORDER STATIONS ON THE BASIS OF SYSTEM DESIGN, DECISION SUPPORT
Authors: Butko T. V. , Baulina H. S.
Published: June 2023

The technology of work of boundary stations is analysed and ways to its perfection are determined. On the basis of Petry networks the opportunity of formation of system of decision-making support is considered.
THE ANALYSIS AND MULTI-CRITERIA SCHEDULING OF THREADS IN THE TRANSPORT NETWORK TAKING INTO ACCOUNT THE INTERVAL OF UNCERTAINTY
Authors: Panyk L. O.
Published: June 2023

In the article a method is developed and the multicriterion analysis of streams is executed in network models in the conditions of unclear (interval) basic data.
THE DEVELOPMENT OF METHODS FOR MULTILEVEL MODELING AND MANAGEMENT UNDER UNCERTAINTY
Authors: Skalozub V. V. , Razumov S. Yu. , Skalozub V. Vl.
Published: June 2023

The source of inconsistency of data of matrices of pair comparisons, which are utilized in the Analytic Hierarchy Process, is determined. The improved procedure of data processing is developed, which provides more consistent results of pair comparisons and accuracy of solutions of multicriteria problems.
THE DETERMINATION OF THE RESISTANCE MOVEMENT COMPACTORS SOIL ON A FLAT SURFACE
Authors: Hlavatskyi K. Ts. , Cherkudinov V. Ye.
Published: June 2023

Variants of reducing the resistance to moving of a vibrorammer on flat surface are presented.
THE MODIFIED INSTRUMENTAL WAY OF THE RAILWAY SHOOTING PLAN
Authors: Korzhenevych I. P.
Published: June 2023

The new method of survey of railway track plan is offered with the use of electronic tacheometer.
THE ASSESSMENT OF OVERHEATING COMPOSITE PADS ON THE MOUNTAIN AREAS
Authors: Kvantaliani H. H. , Korzhenevych Y. P. , Todua T. H. , Toropov B. Y.
Published: June 2023

The methods of estimation of overheat of composition brake shoes on mountain pass sections are considered.
RAILWAY TRANSPORT NAMED AFTER ACADEMICIAN V. LAZARYAN) THE CONTINUOUS TRACK LAYING ON REDEVELOPED LAND CANVAS
Authors: Rybkin V. V. , Patlasov O. M. , Arbuzov M. A.
Published: June 2023

The article presents a method of determination of possibility of laying of long welded track on the repaired ground bed. Such criteria of the ground bed stabilization as stability parameter and stability coefficient are introduced.
THE MATERIALS ANALYSIS OF THE GATHERINGS ROLLING CURVES INVESTIGATION IN TRACK SECTIONS WITH A RADIUS OF LESS THAN 350M
Authors: Rybkin V. V. , Tsyhanenko V. V. , Gubar O. V. , Khalipova N. V.
Published: June 2023

The results of analysis of the rolling stock derailment in curve track sections, which took place on Ukrainian railways, are presented. The distribution of derailments under influence factors such as: the curve radius, the rolling stock speed, the type of a rolling stock derailed, and the derailment causes has been investigated. Also the analysis of track condition in curve sections according to the data of track measuring cars has been carried out.
THE DETERMINATION OF THE SERVICE LIFE OF BEARING STRUCTURES ROLLING STOCK USING THE TECHNIQUE OF COMPARING THEIR DYNAMIC WORKLOAD
Authors: Bondarev O. M. , Gorobets V. L. , Gruschak I. M.
Published: June 2023

In the paper on the example of electric trains of a series ЕР9 it is suggested a variant of estimation of service life for carrying structures of the motor-wagon rolling stock, which are analogs, on the basis of results of comparative analysis of values, measured experimentally in operation conditions, that characterize their loading conditions and stressed-and-strained state.
THE MATHEMATICAL MODEL OF FRICTIONAL-PLASTIC ABSORBING MACHINE
Authors: Myamlin S. V. , Naumenko M. Ye. , Nikitchenko O. O.
Published: June 2023

The algorithm of construction of mathematical model for operation of a friction shock absorber is considered.
THE PREDICTION OF TEMPERATURE FIELDS AND STRESSES IN BRIDGE STRUCTURES WITH CLOTHES FROM CLIMATIC AND TECHNOLOGICAL INFLUENCES
Authors: Bezbabicheva O. I. , Rozenfeld M. V. , Kislov O. H.
Published: June 2023

The estimation order of thermal streams on the horizontal and vertical surfaces of bridges is offered. The data of estimation can be used as boundary conditions at determination of the dependence of temperature tensions on climatic factors.
THEORETICAL BASICS OF THE GROUND ENAMELS SYNTHESIS WITH REGARD TO PATTERNS OF DIAGONAL LINES AND VERTICAL HOMOLOGY ELEMENTS
Authors: Bolshakov V. I. , Savin Yu. L. , Prykhodko O. P. , Fedorchenko Yu. M. , Savin L. S. , Savin Ye. Yu.
Published: June 2023

In the article theoretical bases of the syntheses of glass-enamel coming from modern concepts of physicochemistry are considered. The main attention is paid to the regularities related to position of anion parts of compounds. In this context the diagonal analogy and vertical homology play the most important role in producing the glass-enamel compositions.
THE STRUCTURE OF SPATIAL MATRICES FOR THE COMBINED OSCILLATIONS MULTIDIMENSIONAL ROD SYSTEMS
Authors: Raspopov O. S.
Published: June 2023

Dynamics of multicomponent rod systems with use of the theory of graphs and automatic machines is considered. It is shown that the structure of such models can be set by means of spatial matrices on the basis of research of topological properties of a system graph. In each case the possibility of realisation of the consecutive scheme by connections among themselves of typical logic elements is analyzed.
THE EFFORT DEFINITION FOR LONGITUDINAL SLIDING OF TWO-AISLE CONTINUOUS AISLE BUILDING
Authors: Zakora O. L. , Kliuchnyk S. V. , Marochka V. V.
Published: June 2023

Variations of stresses in cross-sections of a launching girder and a span at all stages of its longitudinal shifting are investigated in the paper.
PHYSICAL AND MATHEMATICAL MODELING OF THE AERATION ZONE PROCESSES FROM CONTAMINATION
Authors: Biliaiev M. M. , Kalashnikov I. V.
Published: June 2023

A numerical model to calculate the process of soil protection from pollution with the use of neutralizator has been proposed. The model is based on the equations of admixture transfer. The results of numerical and physical experiments are presented.
THE DEFINITION OF CARS INDICATORS SAFETY OF BRAKE RETARDERS
Authors: Myamlin S. V. , Kozachenko D. M. , Harkavi N. Y.
Published: June 2023

The basic factors, which affect on safety indices of wagon’s motion on sorting humps, and the interaction between freight wagon wheel and brake retarder are described. The normative indices of wheel stability and the dangerous modes of wagon’s motion on humps are determined.
THE CHOICE OF A RATIONAL CONNECTION OF THE TRANSFORMERS WINDINGS, STATIC CONVERTERS IN MODERN TEST BENCHES OF TRACTION ENGINE
Authors: Loza P. O.
Published: June 2023

In this article the expediency of delta connection of transformer windings in the static devices of test desk for locomotive traction engine is demonstrated.
STRUCTURAL TRANSFORMATIONS IN THE METAL OF TRAIN WHEELS FROM THE ENGAGEMENT WITH THE RAIL
Authors: Vakulenko I. O. , Gryshchenko M. M.
Published: June 2023

The destruction occurrence in a railroad wheel is caused by formation of the high local stresses produced by the inhomogeneous plastic deformation when the cyclic temperature change takes place during and after braking using brake shoes.
THE INITIATION CAUSES RESEARCH OF METAL VOIDS ON THE RAILWAY WHEELS THREAD
Authors: Gryshchenko M. A.
Published: June 2023

In the article the research results related to an origin of defects – crumbling out of metal on the tread contact surfaceof railway wheels – are presented.
THE STUDY OF THE INFLUENCE OF PRIOR COLD PLASTIC DEFORMATION ON THE DIFFUSION OF CARBON AND BORON IN THE BORON-CONTAINING ALLOYS ON THE IRON BASE
Authors: Spiridonova I. M. , Filonenko M. Yu. , Piliaieva S. B.
Published: June 2023

In the article the influence of preliminary cold deformation on the process of diffusion of carbon and boron in the boron-containing alloy on the basis of iron was explored. The preliminary cold plastic deformation of boroncontaining alloy decreases boron and carbon diffusion mobility under surface saturation.
THE PRESSURE OF THE BULK MATERIAL ON THE WALLS OF THE TWO-STAGE CAPACITIVE STRUCTURES
Authors: Bannikov D. O.
Published: June 2023

In the paper the special solution for distribution of granular material pressure on capacity structure walls is presented. The type of capacities the most wide-spread in the design practice, called two-staged one, is considered. The solution was obtained on the base of the discrete-continual theoretical model on interaction of granular matter with elements of the capacity worked out by the author. The given relationships are illustrated by means of corresponding plots.
THE CAST CONCRETE MIXTURES FOR HYDRAULIC CONSTRUCTION
Authors: Klochko B. H. , Anufrieva Ye. V.
Published: June 2023

The article is devoted to the research results for obtaining cast transportable fine concrete mixes with synchronous decreasing a water-cement ratio designed for hydraulic engineering. The results of experiments on determination of rheological characteristics of concrete mixes of various compositions are presented. The possibility of using the developed concrete mixes for pipeline transportation is demonstrated.
THE RESISTANCE EVALUATION OF THE LOAD-BEARING STRUCTURES ROLLING STOCK CYCLIC LOADS WITH THE INFLUENCE OF UNIFORM CORROSION
Authors: Gorobets V. L. , Yagoda D. O. , Yagoda P. O.
Published: June 2023

In conditions of long-term operation the bearing structures of a rolling stock are subject to action of an environment.It causes their uniform corrosion and decrease in bearing ability of the structures. The article is devoted to a technique of the account of uniform corrosion in problems of forecasting of a residual resource of railway structures.
THE AUTOMATED MANUFACTURING COMPLEX FOR THE FORMATION OF THE RECHARGEABLE BATTERY OF THEIR MASS PRODUCTION
Authors: Dzenzerskyi V. O. , Skosar V. Yu. , Buriak O. O. , Dzenzerskyi D. V. , Syrenko M. V. , Lisnychii V. M. , Burylov S. V.
Published: June 2023

A computerized manufacturing complex providing storage batteries formation and charging in flow line production is proposed. The complex enables use of up-to-date technologies in storage batteries formation and charging ensuring accelerated formation or charging by high-rate pulse currents based on battery water tank cooling system.
THE EVALUATION OF TANK CARS DYNAMIC CHARACTERISTICS WITH DIFFERENT LEVELS OF UNDER FILLING
Authors: Kovtun Ye. M. , Malyi V. V. , Markova O. M.
Published: June 2023

Motion of a train composed of tank cars with various tank incomplete filling level is considered. The analysis of results obtained has shown that if there are tank cars with high incomplete filling in the train, the permissible speed of motion is reduced essentially.
THE CALCULATION METHOD IMPROVEMENT OF THE WHEELSET INERTIA MATRIX WITH REGARDS TO TECHNOLOGICAL ALLOWANCES FOR MANUFACTURING
Authors: Kravets V. V. , Kravets T. V. , Kharchenko O. V.
Published: June 2023

A computation algorithm for inertia matrix of wheel pair taking into account the manufacturing inaccuracies is suggested. It is based on quaternion matrices, which take into consideration the skew of symmetry axes and the shift of substructures within permissible limits.
THE SURFACE LAYER DISPLACEMENT OF THE CYLINDRICAL PARTS OF THE TRANSPORT PROCESSING TOOL MECHANISMS WITH FLEXIBLE WORK ITEMS
Authors: Kulichenko O. Ya.
Published: June 2023

In the article the relationships are determined between elastic-and-strained state of material, change of form and hardening of surface layer in the process of machining of metallic surface by instrument with flexible working elements. The results of tests are presented, which showed that the effect of hardening and the resistance to fatigue are rather high.
ABOUT THE INFLUENCE OF ELECTRIC CURRENT ON THE MECHANICAL CHARACTERISTICS OF THE STEEL RAIL
Authors: Novohrudskyi L. S. , Opravkhata M. Ya. , Zaitseva L. V.
Published: June 2023

In the paper the results of studies of mechanical properties of rail steel after its long-term operation are presented. The values of steel mechanical properties in transverse and longitudinal direction relative to rolling are given. It is demonstrated that the electric current modifies the mechanical properties of rail steel.
HIERARCHICAL AND ITERATIVE METHOD OF CHOOSING THE PARAMETERS OF THE POWER CHARACTERISTICS AND DESIGN SOLUTIONS OF SUSPENSION BOGIE FREIGHT WAGONS, INTEGRATED INTO A COMPREHENSIVE DESIGN METHODOLOGY UNDERCARRIAGE PARTS
Authors: Orlova A. M.
Published: June 2023

In the article a generalized method of analysis of dynamic behavior, choice of parameters and designs of freight wagon bogies based upon the hierarchy of mathematical models, which describe the vehicle motion with different degree of sophistication, is suggested. The method application is shown on the example of three-piece bogie.
THE FEASIBILITY STUDY OF THE APPLICATION OF THE COMPREHENSIVE MODERNIZATION OF UNDERCARRIAGE PARTS FOR FREIGHT CARS WITH THE INSTALLATION OF WEAR-RESISTANT ELEMENTS OF THE COMPANY A. STUCKEY AND AMSTED RAIL
Authors: Orlova A. M. , Lesnychii V. S. , Kharytonov B. V.
Published: June 2023

In the paper the comparison of bogies of model 18-100 with variants of their modernization according to projects М1698 and С03.04 on cost, expenses for depot and running detached repairs is performed. The results are compared on values of the net discounted income (NPV) and the period of justification of expenses.
About the necessary and sufficient condition for the existence validation of functional test of minimum possible length for a one-dimensional iterative patterns
Authors: Tymoshkin O. I.
Published: June 2023

The problem of confidence testing applying to the regular iterative circuits is considered. Total number of such circuits from one class is estimated.
Mathematical modeling of non-standard processes of air pollution on industrial sites
Authors: Biliaiev M. M. , Gunko O. Yu. , Sachuk S. O.
Published: June 2023

The 3D model to simulate the pollutant transfer near building after accidents was developed. The model is based on the transport gradient model and the model of inviscid imcompressible fluid. The results of numerical experiments are presented.
The liquidation features of accidents involving large-scale emissions of petroleum products
Authors: Zelenko Yu. V. , Zhui Chzhu
Published: June 2023

The principles and requirements to conduction of elimination measures after emergency emissions of the oil products are presented. The device for conduction of local cleaning of soil from the light oil products with their utilization is developed.
Prospects for the development of technology air conditioning
Authors: Chernyshova O. V. , Khrystyan Ye. V. , Tytarenko I. V.
Published: June 2023

In the article the evaporation cooling and spray (aqueous and air-to-water) types of the air-conditioning systems are considered, their merits and demerits are analyzed; the new scheme of a conditioner is offered.
Scientific approaches to the definition of the boundaries of state intervention in the redistribution of income
Authors: Vlasiuk V. Ye.
Published: June 2023

The paper is devoted to theoretical and methodic problems of research of factors of influence of the state regulation of the processes of incomes distribution. The efficiency of state regulation of redistribution of incomes is analyzed.
Human capital: definition, characteristics, reproduction
Authors: Kompaniets V. V.
Published: June 2023

In the article the research of category «human capital» is conducted: the difference in approaches to interpretation of human capital is determined; the features of human capital are generalized and systematized; the process of its reproduction is explored.
The simulation results of various modes of traction substations of DC
Authors: Andrienko P. D. , Kaplienko A. O.
Published: June 2023

The model of direct current traction substation, with the subsequent carrying out on this model the research of electromagnetic processes on the substation in a mode of recuperation with energy absorption devices for inclusion of which contactless switches are used is developed. The modeling has allowed to estimate character of electromagnetic processes occurring on the traction substation at work of the absorbing device with contactless switches and to optimize the processes.
Investigation of contact pendants C-2C-3, YC120-2CS150 and YC150-2CS150 types
Authors: Kanaevski M. , Roek A. , Bialonj A.
Published: June 2023

The paper presents the OCL tests that have been carried out from the year1994 inthe PKP’s infrastructure, and which aim at construction of an OCL adapted for high speeds. Described were following OCL 2C120-2C-3 (modernised) and new type YC150-2CS150 and YC120-2C150. The tests showed that new OCL (of YC150-2CS150 and YC120-2C150 type) also enable to run with a speed of200 km/h. It should be noted that probably the speed of 200 km/his not a limit speed for these OCL types.
The power consumption rationing for own needs of traction substations
Authors: Kuznetsov V. H. , Ivanov M. O. , Fichoryak F. O.
Published: June 2023

The methods of determination of electric energy consumption norms that can be used for forecasting the own needs of DC traction substations are offered in the paper.
The power factor improving of the motors in enterprises with repair of railway equipment
Authors: Marenych O. L. , Marenych O. O.
Published: June 2023

In this article the following problem has been considered: ways of power factor increase for electric drives installed at the railway machinery repair enterprises with taking into account the specific conditions of technological processes.
The monitoring of electrical networks analysis of the quality of electrical energy
Authors: Tyuryutykov O. I.
Published: June 2023

The problems of creation of monitoring system for electrical networks taking into account the quality of electric energy are considered in this article.
The organization of efficient system of maintenance of locomotives series TGM4 on the example of JSC "Metallurgical plant "Zaporizhstal"
Authors: Kapitsa M. I.
Published: June 2023

The purpose of work is determination of the rational system of maintenance of the hydromechanical transmission of diesel locomotives of a series ТГМ4 for the beforehand set reliability of locomotive fleet with minimum expenses of funds and labour capacity.
The optimization of passenger trains
Authors: Loboiko L. M. , Barash Yu. S. , Karas O. O.
Published: June 2023

In the paper the procedure of organization of traffic of day-and-night trains, various kinds of looping of passenger train sets, their drawbacks and advantages are presented.
The study of the stages of nucleation and growth of cracks during the full-scale fatigue test
Authors: Vakulenko I. O. , Gryshchenko M. A. , Perkov O. M.
Published: June 2023

For a railway axle in dependence on stages of crack growth the regular changes of structure of destruction surface during the fatigue tests are presented.
The use of the method of simulation modeling to estimate the effect of structure parameters on the wear resistance of the bearings of the motors of electric locomotives
Authors: Meshcheriakova T. M. , Kuzin M. O.
Published: June 2023

A method of structure simulation was used to investigate the influence of the hard phase quantity on parameters of the wear resistance of antifriction alloy B16. A method of optimization of linear intensity of wear depending on the quantitative correlation between the structural components is developed; the calculation data obtained correlate with the results of the wear resistance tests.
The integer vector of optimization problem of determining the optimal composition of passenger trains
Authors: Bosov O. O. , Kodola H. M.
Published: June 2023

An algorithm for determination of integer solution of the task of vector optimization for convex functions is offered.
The analysis of the information modulation parameters in excess of low-frequency components (kinema) of the speech signal
Authors: Zhuravlev V. M. , Arhypov O. Ye. , Zhukovyskyi I. V.
Published: June 2023

The analysis of informational parameters of modulation of the super-low-frequency speech signal components (kinemas) for whisper speech is realized. It is proved experimentally that in the equiarticulation bands the maximum index of angle modulation that determines the stochasticity of phoneme power amplitude spectrum is much more than one.