29 articles in this issue
V. V. Malovichko,V. I. Gavryliuk
The analysis of the basic defects of the railway direct current switches with consecutive excitation have been provided, the automated device for detection of electric motors defects by a consumed current curves analyses under operating conditions at rail... see more
V. V. Malovichko,V. I. Havryliuk,V. Ya. Kiziakov
On the basis of the analysis of provided measurements results of time dependences and spectral structure of a switch transfer current with direct current machines at their serviceable condition, and also at various defects, the form of a curve and to a sp... see more
O. M. Karpov,O. O. Savenkova
Algorithm of segment-syllabic synthesis of time-spectrum parameters for the model of speech recognition block is introduced.
M. M. Biliaiev,Ye. Yu. Hunko,P. B. Mashtkhina
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 are presented.
H. K. Getman,S. M. Golik
The idea of increase the calculations exactness based on application of universal magnetic characteristic due to value variation of satiation factor is considered.
I. P. Korzhenevych,O. V. Gots
Influencing of decline of coefficient of rolling friction is examined in curves on the size of softening of leadingslope.
M. B. Kurhan,O. S. Markova
The results of analysis of constant and temporary speed limits of the train movement acting at Pridneprovskaya railway and connected with the railroad track condition.
M. B. Kurhan,I. P. Korzhenevych,B. I. Toropov,V. Ye. Smialkovskyi
The approaches, concerning establishments of classification of railways behind different normative documents are researched. Offers which consider additional parameters at an establishment of a category of railways in modern conditions are presented.
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.
V. V. Artemchuk,A. A. Bosov
On the basis of focused the column of local interrelations algorithms of construction of sets the predictor variables are offered.
V. I. Bobrovskyi,R. V. Vernyhora,V. V. Malashkin
The report is devoted to a problem of choice of the most effective measure complex for perfection of technical and technological parameters of stations. For the decision of this problem it is offered to use simulation models and methods of vectorial optim... see more
A. A. Bosov,H. M. Kodola
As mathematical model the definition of rational streams on the column the problem of vector optimization on columns has been considered. The example of its decision is considered.
A. A. Bosov,L. M. Savchenko
The entered multi-seater functions of great number and information are some their applications.
M. O. Loshkarev
«The great theorem the Pherma» for the sum of any number of composed extents of integers is in-process generalized.
Yu. D. Poliskyi
The method of solving problem of division on two for numbers in residue class system are observed. The method is algorithmically simple and not complicated to scheme realization for making of effective computing's structures.
D. M. Kozachenko,M. I. Berezovyi,O. I. Taranets
There have been executed the researches of process of cuts rolling in the conditions of the action of random factors. There have also been determined the characteristics of the distribution of the random value of time of cuts rolling.
S. A. Alpysbaiev,R. K. Satova,D. H. Mukhambetov,A. D. Mukhambetova
On the basis of processing the statistical data the analysis of a technical condition and results of transportation activity of a transport complex ofKazakhstanis lead to the period with 2000 for 2006. Principal causes of a high share of a transport compo... see more
Ye. P. Blokhin,V. Ya. Panasenko,I. V. Klymenko
In this paper the new construction of drug device of class II and its suspension system are described.
S. V. Myamlin,V. I. Prykhodko
The mathematical description of choosing the parameters of mechanical systems in general form and with eking account of the features of rail vehicles is presented. The examples of solution of vector optimization problems according to several indices are c... see more
Yu. M. Gorbatiuk,V. M. Kosiak,S. I. Olefirenko
Basic principles and methods of planning of floating bridges are considered. Above all attention is spared to the hydrological aspects of planning of floating bridges, as the area of knowledge that is not explore so much. Importance of account is proved n... see more
B. H. Klochko,A. V. Krasniuk,V. O. Momot
In the article are brought studies a physicist-mechanical characteristics an dissolves for concreting under water. On results of studies movable and toughness features is designed optimum compositions for filling under pressure at the concrete transport e... see more
I. D. Pavlov,O. V. Radkevych,F. I. Pavlov
Very effective method of solving a problem of realisetion a building production, is offered. It includes oversystem communications, covers the problems of material’s delivery, transporting terms, volumes of making products, it’s distribution among uses an... see more
O. M. Pshinko,O. V. Krasniuk,V. V. Palii
In the article is brought analysis of condition of buildings and erecting, which are used on the rail-freight traffic in theUkraine. Described main known dissolves, which are to be use for the transport building repair and buildings. Shown advantages of u... see more
O. M. Pshinko,O. V. Krasniuk,T. V. Ulchenko
The properties of the mortars for repairing transport constructions operated upon subsoil water effect are given in the article. Advisability of using polymeric alkali binding materials as impervious barrier is proved. Experimental results confirming posi... see more
O. S. Raspopov,S. P. Rusu,V. Ye. Artemov
The questions of application of the Euler-Lagrange equations to the decision of forced vibration problem of system «bridge–train» are considered. The account of dynamic features of moving loading and bridge span beams are made.
Ye. I. Balaka,O. V. Sementseva,O. L. Vasyliev
Untraditional for railway transport approach to calculation of suburban passenger transportations prime cost, tariff definition and on its basis the cost of transportations on different distance in trains that differ by account of passenger and sections ... see more
S. O. Koretska
The system of indexes on the basis of conception of logistic, reflecting the state of supplies of material and technical resources for the effective planning and data management by supplies on the enterprises of railway transport, is formed.
O. M. Pshinko,Ye. O. Lohvynenko,Ye. V. Shchipanova,Ye. Yu. Buriak
The analysis of economic efficiency of a new vibrating platform is brought, allowing due to optimization of a dynamic mode of fluctuations to reduce direct expenses for let released production of ferro-concrete on cement, pair, the electric power. The est... see more
A. V. Radkevych,S. O. Yakovliev
The problem of economic efficiency of the use of machines in building is considered. Executes the quantitative analysis of variants of deposit of capitals both in production of building technique and in its modernization.