57 articles in this issue
N. V. Atlas,O. V. Donchenko,Yu. Ya. Vodjannikov,T. V. Shelejko
The results of analysis of operation conditions and causes for damaging of subway carriage underframes are presented, the assessment of results obtained is given, and the conclusions on reliability of separate underframe elements are made.
O. M. Bondarev
The results of studies on determination of loading level of tractive drive elements in some operating conditions, when the values of frequencies of the change of feeding currents of stator windings are to be obtained in both subcritical and ultracritical ... see more
R. I. Vizniak,A. O. Lovsjka
The article is dealt with the results of dynamics research of cistern car while transporting it by the railway-ferry ship in conditions of sea rolling and pitching taking into account the incomplete filling of boiler by the bulk cargo and different wave r... see more
A. A. Marenych
The recommendations on securing of the main contacts with normalized opening and their pressing under minimal voltage (allowed in operation) in the control circuits have been developed.
B. Ye. Bondar,O. B. Ochkasov,D. V. Chernjajev,O. Ya. Decjura
In the article the issues of diagnostics of diesels are considered; the nature of origin of irregularity of crankshaft rotation is considered. The results of simulation of irregularity of crankshaft rotation frequency for diesel of type 1D12 are presented... see more
M. I. Kapitsa
The mathematical model for determination of remaining resource of insulation of the locomotive hauling electric machines, taking into account its initial electric durability and minimum expenses on implementation of restoration works with the purpose of c... see more
D. N. Kozachenko
The structure of control system model of rolling stock movement for simulation of a process of braking-up and making-up of freight trains on hump yards is presented. The model is made on the basis of weighted directed graphs. The model can be used i... see more
R. H. Korobjova
The information model structure for the technical and operational analysis of railway stations is presented in the article. The model reflects the technological process of stations in the schedule form and can be used as a component of functional simulati... see more
V. V. Myamlin
The disadvantages of traditional fixed production lines for repair of wagons are pointed out. The advantages of flexible asynchronous wagon-repair stream are shown. Various configuration decisions of the organization-andtechnological structures allowing t... see more
V. O. Poliakov,N. M. Khachapuridze
The technique of hierarchic construction of magnetic levitated train motion is offered. Its advantages and expediency of three-leveled system regulator were grounded. The global algorithm of its work is constructed.
A. V. Radkevych,O. O. Stepanenko,I. M. Shchoka,S. O. Yakovliev
The directions to formalization of management of the inviolable reserves of technical facilities in subdivisions of the Derzhspetstranssluzhba (State Special Transport Service) for the increase of efficiency level of realization of the tasks put before th... see more
O. I. Taranets
The history of development of working technology and technical equipment of the marshalling devices for reclassification of wagons at Ukrainian and foreign railway stations is analyzed. The description of modern automated systems of managing the process o... see more
O. M. Afanasov
The analysis of dependence of the magnetic losses in hauling electric motors on the frequency of armature remagnetization is presented. A universal characteristics of the magnetic losses reduced to the frequency of remagnetization of 50 Hertz is offered.
H. O. Damanska
In the article the expert management systems on the base of synthesis of heuristic and causal knowledge are offered that allows choosing the energy-saving modes and minimizing the power flow-overs and energy losses in electric-traction networks.
L. V. Dubynets,R. V. Krasnov,D. V. Ustymenko,P. M. Zatolokin
The new scheme of protection of the engine ?? 409 (?? 406) of the compressor (?? 7?) on electric trains of series ??2 is offered. Such a scheme provides accurate and reliable protection of the electric machine, unites in itself the protection functions bo... see more
O. O. Kolb
The accumulation system of braking energy for the electrified transport by means of capacity storage batteries with the simultaneous unloading of network from the inactive constituents of total power and stabilizing of voltage on loading is offered.
P. Ye. Mykhalichenko
In the article a new procedure of choice of minimum current jump for action of fast-acting switches of 3.3 kV DC traction substations intended for the use in the microprocessor protection system of feeders is described. This procedure is more perfect than... see more
A. M. Mukha,O. Yu. Baliichuk
In the article the results of study of the influence of rising the voltage in DC contact network on the value of losses in this contact network are presented. The calculations are executed with use of traditional commonly accepted techniques.
A. V. Petrov,M. O. Kostin
The research results specifying to the consumption of inactive (reactive by Fryze) power in a DC system of electric propulsion are stated in the article. It is shown that this consumption brings to considerable additional losses of electric energy in the ... see more
O. A. Sydorov,S. V. Zarenkov,O. V. Tarasenko,Ye. M. Debrylov
In the article the causes of deterioration of the current collection reliability in intermediate catenary spans of transitions of the high-speed contact systems are considered and the ways of increasing it during their reconstruction are offered
O. A. Sydorov,I. L. Salya,V. V. Tomilov
The disadvantages of existing current collection system for the Moscow monorail transport system are considered in the article. A new system differing in the contact geometry is proposed. Also the calculation of interaction of the offered current collecti... see more
O. A. Sydorov,S. A. Stupakov,I. L. Salia
In the article the results of experimental research and calculation of wear of current collector system elements of electric transport are presented.
V. H. Sychenko
The methodical aspects of providing electromagnetic compatibility of electrified direct-current lines are discussed in this article.
N. N. Beliaiev,A. V. Radkevych,V. M. Lysniak
The 3D CFD model to simulate the pollutant transfer of toxic gas after accidents was used. The model is based on the transport gradient model. The results of numerical experiments on forecasting the level of air contamination are presented.
Yu. V. Zelenko
At railway enterprises year the great amount of oil-containing wastes is derived and accumulated annually, and the method of utilizing them depends on their concrete kind, amount and properties. In the article the basic methods of their rational utilizati... see more
P. B. Mashykhina
The 3D numerical model was used to simulate the toxic gas dispersion over complex terrain. The model is based on the K-gradient transport model and the model of potential flow. The results of numerical experiment are presented.
A. N. Pshinko,N. N. Beliaiev,L. V. Pokutnieva
The 2D numerical model was used to simulate the pollutant dispersion in river after an accident. The model is based on the equation of potential flow and the transport model. The numerical modeling results are presented.
A. M. Orlovskyi,V. P. Hnatenko,K. V. Moiseienko
The results of full-scale test of the strength of the switch type R65, mark 1/9 of the design 65109Zh-01 are presented.
V. V. Rybkin,K. L. Kalenyk
In this paper the effect of track gauge and the bias of its tap on the track/rolling stock interaction in a conversion curve by methods of mathematical simulation is analyzed. The frame forces obtained for the accepted range of track gauges and biases of ... see more
V. E. Artomov,I. H. Mudraya
The issues of simulation of free and forced vibrations of railway metallic continuous spans with the application of finite-element method are considered in the article.
I. K. Badalakha
The article presents the results of solving several problems of a flat deformation of elastic infinitely long massifs of different width and limited thickness. Various cases of conditions at the massif/base contact. The relationships between stressed and ... see more
S. V. Kolchyk
The article is devoted the problem of optimization of parameters of constructions with geometric inhomogeneities, which are in the aggressive environment. For its solution the algorithm of directed search was built based on the stage principle and includi... see more
T. S. Kravchunovska
The research of development of methods of estimation and choice of rational organizational-and-technological decisions of reconstruction of building objects including the complex reconstruction of dwelling building is executed.
O. M. Pshinko,O. V. Krasniuk,V. M. Hrebennikov,A. S. Shcherbak
The existing types of foamglass production technologies are considered in the article. Their advantages and demerits are shown.
A. S. Raspopov
The associated matrices are obtained and the technique of their application for calculation of continuous plate vibration with continuous distribution of mass and various boundary conditions is developed. The solutions for free vibrations of orthotropic p... see more
Yu. L. Savin,A. P. Prykhodko,L. S. Savin,V. N. Makarova,P. A. Pshinko,D. V. Kononov
The structural-and-logical scheme of making the corrosion-resistant products in the “glass – steel” system is presented.
O. O. Stepanenko
The article is devoted to research of requirements on the improvement of management system of the State Special Service of Transport and indices of its evaluation and efficiency during the technical protection of a transport Network
P. Ye. Uvarov,T. S. Kravchunovsjka
The conceptual principles of retrospective analysis and forecast of development of a life cycle of investmentand-building activities in different economic environments of the society orientation are considered.
V. I. Havryliuk,V. Yu. Dub,V. V. Malovichko
In the paper a procedure of diagnostics and check of failures of switches with DC electric engines on the basis of neural networks is proposed by the authors.
R. V. Rybalka
It is offered to improve the functioning safety of hump yards by means of a solution of problem of checking the tracks occupancy using the spectra correction method.
I. O. Romantsev,V. I. Havryliuk
Based on the analysis of existing methods of checking the tonal frequency track circuits, the choice of parameters and options for check automation of tonal frequency track circuits is conducted.
V. I. Shcheka,V. I. Havryliuk
The mathematical modeling and circuit simulation of asynchronous propulsion drive unit with converters on IGBT transistors have been made. The possible noises appearing during drive’s operation have been determined. The spectral composition of phase curre... see more
V. I. Bobrovskyi,V. V. Malashkin
The technique for construction of scale plans of the track development of large stations consisting from a few parks and the ones located on curves is developed. The procedure of automated calculation of useful lengths of the station tracks, used at the c... see more
A. A. Bosov,Kh. V. Drebot
The algorithm and computer software for solution of a problem of rational investment are proposed.
H. A. Kramarenko,V. V. Skalozub,M. S. Cherednichenko
A method for calculation of an optimum necessary stock of freight wagons of operator companies and industrial enterprises is offered. The method takes into account the financial, technological and other risks in performing transportations with own wagons ... see more
V. V. Skalozub,V. Vl. Skalozub
The mathematical models and methods for adaptive fuzzy control are offered. The methods also take into account the statistical information and risk conditions at the control implementation.
I. O. Vakulenko,V. H. Anofriiev,Yu. L. Nadezhdin
The issues re. estimation of character of hardness change along a defect formed during operation of a railway wheel are considered.
L. I. Vakulenko,Yu. L. Nadezhdin
The issues re. estimation of changes in hardness and sound vibration propagation velocity after tempering the hardened railway wheel steel are considered.
V. A. Zabludovskyi,V. V. Dudkina
The mask-free method for obtaining the local nickel coatings using laser radiation is developed. The parameters of local nickel coatings are calculated. The rate of electroplating process is estimated.
N. N. Moroz
The algorithm of calculation of stressed-and-strained state for determination of the optimum friction forces and the diameter of round sheet blank is developed. The theoretical results are compared with the experimental research data. The optimum values o... see more
V. B. Yudovinskyi,S. V. Kiurchev,O. V. Peniev,Yu. P. Mirnenko,R. O. Bakarzhdyiev
The paper is devoted to determination of analytical dependence of the wear coefficient for materials of parts of the conjugation of type “shaft-to-bushing”.
N. V. Arkhtreiska
In this article the problems of estimation of financial state of local budgets in Ukraine are examined. The promising directions of reforming the financial regional policy are found out. Ways of strengthening the financial base of regions are investigated... see more
A. S. Blokhina
On the example of comparison of two types of profiles an application of the method of economical assessment of a technical project is demonstrated.
V. V. Bobul
In the paper the level of corruption and shadow sector of economy is investigated, the basic causes of «shadowing » and international experience on struggle with «washing up» of financial means are considered, and the recommendations for destruction of sh... see more
S. N. Vnukova,N. V. Hnenyi,T. V. Teslenko
It is suggested to bring in changes into the Rules of Complex Payments applied by the states-participants of the Commonwealth of Independent States and the Baltic States in payments for international freight transportations.
O. M. Hnennyi
The method for determination of license cost on manufacturing the industrial products on the stage of conclusion of a license contract is considered. The indicated cost is determined with the economic effect of licensee from the commercial use of an objec... see more
M. I. Mishchenko
The operation expenses of railway transport infrastructure and their dependency on the main indices of railways in the modern conditions are studied by means of a system approach.