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ISSN: 2307-3489    frecuency : 4   format : Electrónica

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Number 36 Year 2011

60 articles in this issue 

V. L. Horobets,N. P. Snitko,A. D. Lashko

In the paper an approximate classification of methods of damping oscillations for complex mechanical systems is offered as well as the approach of an adaptive control by dissipation of the vibration energy of the railway rolling stock devices is presented... see more

Pags. 7 - 15  

P. V. Diachenko

On the base of dynamic scheme of toothing, a mathematical model for study of the influence of constructive parameters of radial bearings such as a factor of friction, reduced masses and stiffnesses on damping the vibrations in gearing is developed. The so... see more

Pags. 16 - 24  

S. V. Myamlin,L. M. Dehtiarova

In the article a mathematical description of interaction of the special-purpose freight wagon wheel and rail is proposed, in so doing a special configuration of the tread contact surface of wheel is under consideration. The results of simulation of vehicl... see more

Pags. 25 - 28  

V. A. Poliakov,N. M. Khachapurydze

The technique of construction of dynamics of magnetic levitated train in view of multiconnectivity of its design scheme is offered. The conrtolled components of a system’s state vector are divided into ones that suppose an independent controlling them and... see more

Pags. 29 - 33  

A. Al-Ammori,Kh. Al-Ammori

In the paper the issues of taking the poly-factor nature of flight processes of aircrafts into account are under consideration. The necessity of fuller accounting the set of interacting factors is shown

Pags. 34 - 38  

V. V. Artemchuk

The structure and properties of the stratified amorphous coatings obtained in the conditions of thermal spraying are considered in the article. The comparative analysis of coatings from iron-based alloys is presented. The factors influencing the formation... see more

Pags. 39 - 44  

V. N. Goryachkin,A. V. Ivaschenko

The conducted researches are related to transfer of diesel engines to biodiesel fuel. The technique and results of an experimental research of thermo-physical and physical-and-chemical properties of biodiesel fuel as well as mixes of biodiesel fuel with t... see more

Pags. 45 - 49  

S. V. Myamlin,D. M. Baranovskyi

It is proved in a theory that the wear intensity of tribosystem of diesels of the special-purpose self-propelled railway rolling stock at laser modification will diminish at growth of concentration of surplus vacancies in superficial layers. Thus there wi... see more

Pags. 50 - 53  

V. V. Myamlin,A. A. Bosov,S. V. Myamlin

The mathematical formulation of solution algorithm for a vector optimization problem on two indices with regard to scientific substantiation of a flexible line of car repair is presented in the paper

Pags. 54 - 57  

V. A. Bratash,T. I. Efimova,YU. V. Povolotskaya

In the article the calculation formulas for determination of unloadings (finishings loadings) of wheels and bendings of a spring suspension of 8-wheel electric locomotive DS 3 with the hauling transmission of the second kind at the transmission of tractiv... see more

Pags. 58 - 63  

M. H. Visin,D. A. Zabarylo

Our research offers a new perspective loading pattern of the 12-wheel double-feed freight electric locomotive with the asynchronous tractive motor using an adapter transformer with the high-frequency uncoupler. This will make it possible to decrease the t... see more

Pags. 64 - 69  

G. K. Getman,V. E. Vasilev

The method of determination of constituents of expense of electric power on traction of quarry trains is resulted in the article, and also the degree of their intercommunication with the mode of train motion is analysed.

Pags. 70 - 74  

M. O. Kostin,O. O. Marenych

The probabilistic model of parametric reliability of power electromagnetic valve contactors of rolling stock which helps to evaluate the probability of failures in condition of switching a contactor (the tractive force during the whole process of operatio... see more

Pags. 75 - 78  

R. V. Krasnov

The article shows the method of investigation of thermal processes occurring in the electric compressor motor of rolling stock to determine the values of overheating, which will later be used to assess their impact on the state of isolation.

Pags. 79 - 83  

V. H. Kuznetsov,O. M. Poliakh,A. O. Poliakh

The researches of the influence of variation coefficient of inter-train interval on the losses of electric power in traction line are discussed.

Pags. 84 - 87  

T. M. Mishchenko,A. I. Kiiko

In the article the electric circuit of substitution and mathematical model of the system of alternating current «traction substation - traction mains - electric locomotive DS 3» at switching its power transformer on in the idle mode are presented. Numeric... see more

Pags. 88 - 92  

A. M. Mukha

The research results of operating modes for the higher frequency three-phase traction transformer are presented in the article.

Pags. 93 - 99  

I. O. Bondarenko

Some problems of providing the design quality for rail track substructure are presented

Pags. 100 - 103  

V. V. Rybkin,K. L. Kalenyk

This article presents the results of studies concerning the development of standards for maintenance of the lateral direction of rail switches on gauge and the direction in plan by the criteria for traffic safety and impact on the track.

Pags. 104 - 110  

V. V. Rybkin,M. P. Sysin,O. S. Nabochenko

The method of continuous welded rail (CWR) track calculation is developed in the paper. The method allows carrying out calculations of buckling CWR in curves with radius less than 350 m.

Pags. 111 - 116  

A. P. Prihodko,E. S. Harchenko

In the article the basic research results of influence of modifier type and amount on adhesive properties of polymeric compositions for repairing the structure decorative elements are presented. The modifier is described and the adhesion strength indices ... see more

Pags. 117 - 120  

O. M. Pshinko,V. P. Lysniak,A. M. Zinkevych

The comparison of non-destructive control results for concrete strength received by several methods and their statistical estimations are performed.

Pags. 121 - 123  

O. H. Kesariiskyi,Yu. L. Zaiats,P. O. Pshinko

The article is dealt with the results of research of the reinforced concrete element by means of the laser interferometry method.

Pags. 124 - 132  

A. V. Radkevych,T. V. Tkach

The mathematical method of solving the tasks on a percent increase that shows and provides the effectiveness of organization development, the determination of optimum variant of current and perspective enterprise development, the reduction of terms for pe... see more

Pags. 133 - 136  

A. S. Raspopov,V. E. Artemov,S. P. Rusu

In this article the effect of boundary conditions on dynamic performance of reinforced concrete span during the motion of a locomotive is studied. The critical speeds of a load motion under vertical and longitudinal construction vibrations are determined.

Pags. 137 - 140  

N. N. Belyaev,E. Yu. Gunko,T. P. Reshetnyak

The 3D numerical model to simulate the toxic gas dispersion at an industrial site and inflow of toxic gas into the industrial room after an accident ejection was developed. The model is based on the K-gradient transport model and equation of potential flo... see more

Pags. 141 - 146  

M. M. Belyaev,P. S. Kirichenko

The 3D numerical model was developed and used to simulate the sea pollution after mine waters discharge. The model is based on the numerical integration of the K-gradient transport model and the model of potential flow. The results of numerical experiment... see more

Pags. 147 - 151  

Yu. V. Zelenko,S. V. Boichenko,Yu. V. Bilokopytov,A. L. Leshchynska

In the article the results of analysis of modern principles for management of the state of environment on a railway transport in the processes of transportation and use of oil products are presented. The optimization of current charts of management aimed ... see more

Pags. 152 - 155  

V. I. Shcheka,O. V. Zavhorodnii

The construction and operation principle of track circuit protection system from electromagnetic hindrances have been considered in the article. The cost efficiency of introducing the system has been estimated.

Pags. 156 - 160  

V. A. Andryuschenko,V. M. Ilman,V. I. Shinkarenko

In the article the model scheme of sets of multigraph objects, where the tops are elements of hybrid multisets with unique weight loads, is offered.

Pags. 161 - 166  

A. A. Bosov,O. V. Horbova

An algorithm for constructing the mathematical models based on a passive experiment is proposed.

Pags. 167 - 170  

Yu. M. Ivchenko,V. H. Ivchenko,O. M. Hondar

The danger of failures of services and divisions of the corporate information-telecommunication system of Prydniprovs’ka Railway, the importance of realization of permanent control of functioning the basic components of a system are estimated in the artic... see more

Pags. 171 - 174  

N. A. Kekish

The article is dealt with proposals for information provision for the organization of intra-railway traffic volumes on a system of mutually coordinated group trains. The structure and composition of the module, its features, a list of the functions to be ... see more

Pags. 175 - 180  

O. F. Kirianov,H. H. Pereverzieva

The results of traffic intensity investigation on Kremenchuk regulated road crossings are presented. Optimum organizational measures for diminishing of load factor are considered. The operational modes for traffic lights ator the isolated crossing and mut... see more

Pags. 181 - 184  

A. V. Krasniuk,T. V. Ulchenko

The comparison of classical and computer testing system is given in the article. The effect of usage of «Prometey» remote education system is analyzed. The positive effects of passing the Module Tests by students are shown.

Pags. 185 - 188  

A. S. Oharkov,E. H. Vasetskyi,H. L. Morozov,S. V. Kukhlivskyi

The article describes a promising idea of solving more and more pressing problem of personality authentication in the Internet. Growing popularity of the Internet carries with itself the problem of man anonymity in a network. The article suggests inculcat... see more

Pags. 189 - 193  

L. O. Panik

The analysis of dynamic streams when the stream units have individual characteristics (heterogeneity) is executed in the represented article.

Pags. 194 - 197  

S. R. Rahmanov

The problem about parametrical fluctuations of system «sleeve (pipe) – mandrel – core» of an automatic mill of the pipe-rolling unit is considered. The differential equation of movement of a core mandrel of an automatic mill of the pipe-rolling unit is wo... see more

Pags. 198 - 202  

R. V. Savchuk

The method of determination of basic parameters of forming of models of cutting of costs, related to the property risks is offered. For forming of models the exponential distribution is used for description of distributing of size of really nascent losses... see more

Pags. 203 - 207  

N. Yu. Shramenko

The analysis of technological processes of the terminal systems is conducted, features are exposed and the basic problems of modern technology are certain. Directions of improvement technology of functioning of the terminal systems are offered.

Pags. 208 - 211  

Yu. V. Chybisov

The simulation model for solution of the task of the rational train traffic volume distribution in consideration of two indices, namely the train traffic time and the expenditure of mechanical work, was suggested.

Pags. 212 - 217  

I. O. Vakulenko,B. I. Kindratskyi,S. O. Yakovliev,I. E. Kramar,O. I. Shaptala

Based on the analysis of research results for the kinetics of austenitization process the order of the original structures in the direction of increasing the rate of austenite formation is determined.

Pags. 218 - 221  

V. V. Bobyl,H. O. Storozhyk

In the article the mechanism of securitization of bank assets as the modern tool of management of financial risks of a bank is investigated.

Pags. 222 - 225  

Yu. A. Burduzha

The essence of terms “project”, “investment project” is defined in the article, as well as the difference between definitions of terms “project”, “plan” and “program” is determined. The main approaches to the treatment of definition of term “investment pr... see more

Pags. 226 - 228  

O. H. Deineka,A. R. Bozhok

In the article a problem of adapting the railway transport to market requirements is presented and the ways of improving its competitiveness are investigated. Some measures and reserves of improving the operation efficiency for the railway transport are o... see more

Pags. 229 - 233  

D. H. Eitutis

Methods for improving the technology of commercial work of railways on management of freight car stock are investigated.

Pags. 234 - 239  

K. V. Zhyzhko

In this article it is described and explained what is a method of multipliers for comparative approach in estimation of business value. Also the multipliers for Ukrainian enterprises of different industry sectors are analyzed and calculated and their comp... see more

Pags. 240 - 247  

V. O. Zadoia

The article describes the main approaches to defining and optimizing the structure of expenditures and revenues of passenger suburban railway companies; the calculation of their operating costs as a part of the locomotive cost component of the tariff prim... see more

Pags. 248 - 253  

V. A. Zova

In this article the analysis of intercommunication of social and ethical aspects of the use of information networks is conducted and their influence on social development of the state is determined.

Pags. 254 - 259  

O. M. Lukianova

In the article a classification of techniques of estimation of economic efficiency of leasing, where the rule of modeling a currency flow is taken as a criterion, is presented; their advantages and demerits are demonstrated.

Pags. 260 - 266  

O. P. Pinchuk

In the article an analysis of proposals of researchers and experts re. improving the efficiency of suburban passenger transportations; a critical review of the measures suggested is performed.

Pags. 267 - 274  

A. N. Pshinko,V. V. Myamlin,S. V. Myamlin

The necessity of using a systematic approach in constructing a working model of the economy is shown. The need to improve the system level of the economy is discussed. The main reason, «the financial and economic» crisis, which disturbs the balance betwee... see more

Pags. 275 - 283  

O. H. Kharchuk

In the article the certain role and value of carriage areas as important subsection of passenger complex of railway transport are determined, the analysis of the passenger coach division-1 activity and the environment is conducted and the ways of their pr... see more

Pags. 284 - 288  

O. A. Hodoskina

The author considers the modern aspects of the railway transportation system in the Republic of Belarus. A description of a new innovative approach to the organization of passenger rail services is given. A comparative analysis of several important indice... see more

Pags. 289 - 293  

I. P. Sadlovska,V. V. Sokolova

The article presents the provisions to improve procedure of licensing of passenger and freight transportation, technical specifications for services related to the passenger and freight transportations.

Pags. 294 - 302  

O. M. Synikova,A. H. Dikolenko

The article examines the main problems associated with acceleration of innovation-and-investment processes on the railway transport. The special attention is paid to issues of attracting investments as a prerequisite for the replacement of fixed assets an... see more

Pags. 303 - 305  

N. S. Sokolova,T. H. Sokolova

The matter and content of the cash flows of any organization have been analyzed, the fundamentals to the determination of the cash flows have been singled out, the concept of cash flow have been defined more precisely.

Pags. 306 - 309  

T. V. Teslenko

The theoretical-and-methodical approach to development of advanced management mechanism for enterprises of freight railway facilities in the conditions of reforming the branch due to the organizational structure of management and mechanism of payments for... see more

Pags. 310 - 313  

T. YU. Charkina

The work is devoted to developing the economic criterion to compare the competitiveness of the different modes of passenger transport, taking into account their negative impact on the environment and the maintenance of their own infrastructure.

Pags. 314 - 317  

S. A. Shyhida,Y. M. Lomteva,M. P. Snachov

A theory and practice of account of charges in a historical aspect as well as a classification of charges for the aims of management are examined.

Pags. 318 - 324