60 articles in this issue
S. V. Kukhlyvskyi,V. M. Kupras,B. M. Bondarenko
Offered automated system of measuring of curvature of railway way on the basis of gyroscope, including with the use of modern laser gyroscopes. It is suggested to use a circular laser gyroscope (?LG), so-called quantum gyroscope created on the basis of la... see more
V. V. Malovichko,V. I. Havryliuk,M. I. Reshetniak
The analysis of existing method of verification of pointer engines of direct current with the successive excitation in the repair-technical areas has been conducted, the automated device for the exposure of refusals in the electric engines on the curves o... see more
O. P. Razghonov,O. V. Adreievskyi,B. M. Bondarenko,D. O. Bezrukavyi,O. Yu. Zhuravlev
The multichannel digital method diagnostics of relay consists in the use of experimentally findings, for the calculation of parameters of examinee relay. During registration of dynamic descriptions parallel on all channels, analog-to-digital treatment of ... see more
M. M. Biliaiev,Ye. Yu. Gunko
The 3D numerical model to simulate the toxic gas dispersion on industrial sites after accident ejections was developed. The model is based on the K-gradient transport model and equation of potential flow. The results of numerical experiment of atmosphere ... see more
Ye. V. Khrystian,I. V. Tytarenko
The existing systems of an air conditioning by mobile machines are considered, the analysis of the strengths and weaknesses is performed. The improved conditioning system for a locomotive cabin is proposed on the basis of regenerative indirect evaporation... see more
L. V. Dubynets,D. V. Ustymenko,Ye. O. Zhernakov,R. V. Krasnov
On the basis of the statistical data it is lead, research of influence of conditions of operation on reliability of engines of compressors. A principal cause of failure of engines is significant overheating windings of an anchor and the main poles owing t... see more
M. M. Kedria
The article examined the terms at which transients in electromechanics are examined systems with the engines of direct current most exactly reflect properties of engines from point of changes of electromagnetic and mechanical energies. Of recommendation o... see more
V. H. Kuznetsov,R. S. Mytsko,D. O. Bosyi
An indirect method of electric power losses determination in traction network was examined. An example of solving same task with the help of specialized imitation model and results of statistic analysis are adducted. Possible ways of using given results a... see more
O. I. Sablin
Results of researches are stated in article specifying on consumption of inactive jet capacity by the electric rolling stock of a direct current. It is shown, that this consumption brings to additional loss of electric power.
O. A. Teterko,M. A. Babjak,M. O. Kostin
The types of refusals which arise up in the process of exploitation of electropneumatic contactors PC-96-101 are considered. Measuring of contact resistance and heating temperature of contact connections of alternating current electric locomotives are res... see more
I. O. Bondarenko
For consideration of questions on providing of terms of smoothness of motion and optimization of work of railway way it is suggested to enter the concepts of the systems of high-quality estimation of capacity and unfolded diagnostics
I. P. Korzhenevych
Construction of models for existing and design positions of the plan of a railway in a method of evolvents and optimization of the design decision is considered.
M. B. Kurgan,O. S. Markova
The analytical dependence of the time loss from the speed which limits train movement has been defined.
V. V. Rybkin,M. I. Umanov,O. M. Bal
The results of statistical researches of rails’ single output prognostication are adduced; the method of their determination is improved with consideration of operating factors: track curvatures, middle axial loading of rolling stock, load stress of line ... see more
V. I. Kharlan,D. M. Kurhan,I. O. Bondarenko
The method of an establishment of rational speeds of movement in view of change of a condition of objects in time by means of modeling process of operation of a railway as set of objects by use of functions of set is offered.
O. O. Bosov,Ye. V. Bezsala,L. M. Savchenko
Offered method of the differential equations in problem of the vector optimization.
O. V. Varshavets
The article describes a way to determine the optimal number of stops en route. The main point of this method is the search for extremes (in this case - the minimum) of the function, which describes the total costs of movement of the car traffic volume, i.... see more
V. M. Ilman,V. V. Skalozub,V. I. Shynkarenko
It is solved the problem of graphs regenerating by their subgraphs with the help of deriving systems of graphs. In the article there is offered the algorithm of solving this problem and considered an example of graphs regenerating.
V. V. Laguta
The numerical method of the decision of the first boundery problem with the nonlinear ordinary differential equation of the second order is offered. The initial problem is reduced to the decision of the two integrated equations with use Green's function. ... see more
M. A. Loshkarev
The analysis of efficiency of proof of general theorem is in-process executed about impossibility of presentation of sum of any degrees of independent integers by one number of that degree by the method of the use of the indefinite mutually conditio... see more
L. M. Savchuk,V. I. Vozianova,H. K. Kovalchuk
The original model of estimation of the financial state of enterprise on two integral financial criteria is grounded in work – indexes of profitability and liquidity of assets. It is taken this approach for prognostication of the financial state of enterp... see more
E. P. Blokhin,K. I. Zheleznov,L. V. Ursuliak
The description of the developed computer system possibilities and its use to solve problems of motion safety and stability is given.
H. I. Bohomaz,V. S. Hudramovych,M. B. Sobolevska,S. O. Syrota,I. K. Khrushch,D. V. Horobets
The results of experimental researches of deformation character of construction as truncated pyramid with additional stiffening plate at compressing loadings are given. Stiffening plate influence on organization of the purposeful construction crush proces... see more
L. M. Bondarenko,V. V. Kolbun
The row of tasks of theory of vibrations is decided with the use of dependences for analytical determination of coefficient of friction of cachenie.
O. O. Buriak,V. O. Dzenzerskyi,E. O. Zeldina,S. V. Tarasov
Based on our research of the transformation of the kinetic energy of the wind into potential energy form, a ?apsule-pipe pneumatic transportation system was developed. In this system the compressor stations were replaced with the modular air streams conce... see more
L. M. Loboiko,Yu. S. Barash
In-process real the analysis of park of passenger carriages and base of repair of carriages is represented. Power of separate carhouses and required program of repair of Ukrzaliznitcja is represented.
S. V. Myamlin,V. Ya. Panasenko,I. V. Klymenko
In this paper some solutions to improve cargo cars construction were proposed these solutions help also to improve the conditions of work at railway field and safety of trains movements.
O. M. Savchuk,O. V. Shatunov,O. H. Reidemeister,M. A. Hrechanyi,V. O. Ryzhov,M. I. Lukhanin
A new chart of springing complete set of freight light cart is represented 18-100 with the use of three-component wedges and subspringy skol'zunov, and also the analysis of results of alpha and train dynamic tests of different types of freight carriages o... see more
V. V. Artemchuk
For maintenance of the existing rolling-stock in working order it is necessary to carry out qualitative repair. One of directions of development of repair manufacture is the development of new technologies of restoration of the worn out details. It is con... see more
V. I. Bobrovskiy,O. V. Kudriashchov,Yu. V. Chibisov
The method of calculation of probabilities of discontiguous cuts’ divisions on the switch points is developed. The researches as for connection these probabilities with the parameters of the trains are executed. The researches also tackle the problem of t... see more
H. Ya. Mozolevych
There has been executed the research of the significants of the train dispatchers’ work. There has also been defined the characteristics of the random value distribution of the above significants.
D. O. Bannikov
In the paper analytical solutions for optimization of external geometrical shape according to criteria of massminimum of bunker and silo capacities for granular materials are presented. The special case of two-parted construction with the vertical upper p... see more
O. S. Raspopov
The suitability logic models and associable matrixes to calculation flexural-torsion oscillations of continuous beam with distribution parameters are researched. The inferential matrixes to consider various combination of elastic constraints and given loc... see more
O. L. Tiutkin
In the article the results of modal analysis of metropolises station construction of pylon type of deep contour interval are represented. Comparison of results of calculation of station model without a surrounding array and taking into account added the m... see more
?. M. Aksenov
The classification chart of competitiveness of transporting products is offered on elements. Directions of increase of competitiveness of transporting services and function of marketing-logistic focis of management by transportations are considered.
I. M. Herasymenko
The analysis of by volumes performance indicators of different types of transport is done, certainly role of every type of transport in the transporting network of Ukraine. Certainly tendencies and strategic directions of development of transportations ar... see more
O. O. Hladchuk
The leadthrough of monitoring researches is offered for determination of complex estimation of social protected of workers of railway transport. The tasks and stages of this procedure are examined.
K. V. Hnedin
General tendencies, actual problems and perspective trends of the development of enterprises of city electric transport are determined in the article. The complex of arrangements directed to stabilization of the work of the enterprises of the field is pro... see more
E. S. Demjaniuk
The complex approach to the decision-making of renewal of an active part of a capital assets is developed. The basic stages and the control information of process of making of the investment decision are specified. Mathematical methods of the solution of ... see more
T. I. Dronova
For the increase of efficiency of prymyskyy passenger transportations the improvement of calculations is offered for transportations and measures on the costs cutting of operations.
Ye. V. Zhuravel
General principles of estimation of economic efficiency of the marketings programs are formulated on the criteria of operating-room arrived to the investment indexes. The concept of short and long wave of creation of marketing cost of enterprise is entere... see more
V. M. Zahorulko,O. V. Kovalenko,N. V. Skydanenko
Research of progress trends of tourist business is conducted in Ukraine. Dependence of internalss of services is set, that turoperatory gives from a price, and also dependence of development of sphere of tourism from investment activity of country.
S. V. Kalambet,L. V. Pryvalova,Yu. V. Pyvniak,S. Y. Dronov
The progressive aging of the railways capital assets, modernization of infrastructure requirements, lack of state support in the innovative development of a branch, low rates for the carriage of passengers. This leads to their cross-subsidization at the e... see more
S. O. Koretska
On the basis of analysis of the transporting logistic systems of foreign companies the most priorities and effective directions of the transporting logistic systems which must be developed today are represented in the article. In addition, four levels of ... see more
N. V. Kudrytska
There are the considered existent indexes and methods of estimation of efficiency of investment projects in the article. First offered economic-mathematical model of the nonlinear programming of choice of optimum investment projects taking into account th... see more
V. H. Kukharchyk
The traffics of goods, which pass through ports of Ukraine, are analysed in the article. The ways of development of the effective use of transit potential of Ukraine are offered in the modern terms of international integration.
Yu. O. Muha,V. V. Yakovenko
The modern market relationship are being developed in Ukraine. It is necessary to employ the modern technologies in production and sails to enter competitive world markets successfully. There are two major ways to speed up turnover of investment: to short... see more
M. I. Petyk
In the article is considered the mechanism of financing of update of basic facilities by leasing, certainly decision-making stages about the leasing financing and method of determination of value of the leasing contracts.
Yu. Pohorilets
Formulated basic principles and directions of creation of priorities of development of airrepairs enterprises in the system of providing of competitive airmarket in Ukraine.
I. V. Poznanska
In the article the possible consequences of entry are examinedin ??? for the marine transport of Ukraine, taking into account the today's state of economy of country and globalization of world economy.
O. R. Rudyk
The article is devoted to classification of methods of diagnostics in the process of anti-crisis management by enterprises. Kinds and basic stages of diagnostics and monitoring of the financial state of enterprise are considered.
L. M. Savchuk,R. O. Shkil
The theoretical aspects of electronic commerce and consulting are considered in this article, a new model of cooperation of participants of market of electronic commerce is offered, as it applies to providing of consulting services.
T. M. Salii
Advantages of appendix of modern informations technologies are sure on the whole and electronic turn of documents in particular, as facilities of increase of efficiency of activity air enterprises.
O. B. Skorokhod
The theoretical scopes of consideration of different criteria of estimation of competition position of enterprise are represented. The results of empiric research with the target of the best cognition of conception of estimation of competition position of... see more
M. P. Snitko,M. S. Sokolovska,I. P. Radionov
The critical obsolescence of basic facilities in all economies of railways of Ukraine physical and, and cross subsidizing of passenger transportations due to freight, «investment hunger» absence of state support of industry, caused the necessity of reform... see more
N. V. Solovei
Determination of factors of authenticity of inability of insurer or perestrakhovyka is analysed to recover claims or losses. The main aspects of natural financial ability of insurer and perestrakhovyka are considered to pay in the case of losses.
K. M. Sherepa
Contradiction is analysed between the aims of material and technical supply. The order of optimization of choice of materials, spare parts and knots is considered.
O. V. Shulha,O. V. Lohvynenko
Problems of function of the system of planning and analysis of prime cost of output simultaneously with reformations of the system of accounting in accordance with national standards of accounting are considered.
S. V. Yakymchuk
As the example of collaboration of Russia and Ukraine in suburban transportations an electric train is considered the «Prince Vladimir» by the report of Belgorod–Kharkov.
I. M. Yarovyi
The features of regulation of the social - labour relations in civil aircraft of Ukraine are considered. The role and meaning of principles of management of the social - labour relations, their place in the mechanism of management is proved. The formulati... see more