TEKA
Komisji Motoryzacji i Energetyki Rolnictwa XC/2010.
Commission of Motorization and Power Industry in Agriculture

Strona redakcyjna - editorial page - plik PDF

Spis treści - plik PDF

THE SIMULATION OF THE OPERATION OF DIESEL LOCOMOTIVE D49 WHEN USING THE OZONIZED FUEL - pełny artykuł (full article) - plik PDF

Aleksandr Golubenko, Yelena Nozhenko, Valentin Mohyla
Volodymyr Dahl East- Ukrainian National University , Lugansk, Ukraine

Summary. The results of the mathematical simulation of the operation of diesel locomotive D49 when using the ozonized fuel has been obtained. The influence of ozonized fuel on the ecological side and economical efficiency of the operation of the diesel locomotive at various angles of advance fuel injection has been investigated and theoretically grounded.
Key words: operation of the diesel, ozone, fuel.



IMPROVEMENT OF TESTING OPERATIONS DURING DIAGNOSING WHEELPAIR TYRES OF RAILWAY VEHICLES - pełny artykuł (full article) - plik PDF

Gennadiy Basov, Andrey Kireev, Dmitry Lysak
Volodymyr Dahl East- Ukrainian National University , Lugansk, Ukraine OJSC "HC "Luganskteplovoz"

Summary. The article presents the results of the analysis dedicated to the identifiable surface defects of wheelpair tyre metal, shows the need for eliminating intolerable metal defects on the surface of tyres during their manufacturing till the installation in the wheelpair. It gives proof of the necessity for the subsequent improvement of visual inspection according to the following areas: technological refinement of visual inspection; improvement of training of staff performing visual inspection; development of data flow coordination concerning product quality throughout all stages of tyre and wheelpair production.
Key words: wheelpair, tyre, defect, visual inspection, magnetic particle inspection.



SELECTION OF OPTIMAL PARAMETERS DOSATOR WITH HORIZONTAL DISC ON THE GENERAL CRITERION - pełny artykuł (full article) - plik PDF

Victor Belodedov, Pavel Nosko, Pavel Fil
Volodymyr Dahl East- Ukrainian National University , Lugansk, Ukraine

Summary. The present article is concerned with the issue of improvement of realization effectiveness of haulage capacity of rail vehicles by obtaining more exact pattern of dynamic distribution of loads in contact area wheel - rail under limiting traction values.
Key words. Measuring transformer, wheel - rail contact area.



REBIALITY GROWTH OF HYDROTRANSPORT SYSTEM OF THERMOELECTRIC POWER STATION - pełny artykuł (full article) - plik PDF

Nataliya Chernetskaya, Denis Kapustin
Volodymyr Dahl East- Ukrainian National University , Lugansk, Ukraine

Summary. The article is devoted the exposure of basic influencing on reliability of work ash-trench systems on TEPS factors and development measures for increasing of reliability such systems.
Keywords: hydrotransport system, reliability, TEPS, ash, slag.



TECHNICAL AND ECONOMIC CALCULATIONS IN ORGANIZATION OF RAILWAY TRANSPORTATIONS - pełny artykuł (full article) - plik PDF

Natalia Cherneckaya, Ljudmila Kolodyazhnaya
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. In the article the technical and economic questions of organization of transportations are considered on a railway transport. Author composition of textbooks and magazines is analysed on the economy of railway transport with the purpose of increase of professional preparation of specialists on organization of transportations on a railway transport due to teaching of economy of transport by the specialists of technical specialities.
Key words: railway transport, transport complex, economic integration, competition, teaching of economy of transport

METHODS OF EXPENDITURE ENERGY DETERMINATION FOR WATER COAL FUEL TRANSPORTATION - pełny artykuł (full article) - plik PDF

Natalia Chernetskaya, Anna Shvornikova, Alexsandr Kuschenko Volodymyr Dahl East- Ukrainian National University , Lugansk, Ukraine

Summary. This paper deals with the method of hydraulic parametres calculation of high-concentration water coal suspensions transportation. The algorithm of expenditure energy calculation on transportation of water coal fuel to industrial hydrotransport systems is described.
Key words: water coal fuel, coefficient of hydraulic resistance, pressure gradient, shear stress, shear rate gradient, rheological characteristic, expenditure energy.



MODELING OF PENSION SYSTEMS EVOLUTION - pełny artykuł (full article) - plik PDF

Vitaly 1, Larisa Yakimova2
1Faculty of Management; Volodymyr Dahl East- Ukrainian National University 2 Department of economic cybernetics and information technologies, Donbas State Technical University

Summary. The model of the stages of the pension evolution is based on the historical economical analysis of the evolution of the national pension systems of the developed countries. The realization of the model for the description of the pension systems evolution in Ukraine is presented here. The model of the pension reforms in the three-dimensional coordinate system is developed: degree of allocating funds, degree of government participation and degree of actuarial fairness. The vectors of reforms in the countries with the transitional economics are determined.
Key words: pension system, evolution, model, reform.



THE PROBLEMS OF ADMINISTRATION FOR INDUSTRIAL ENTERPRISES - pełny artykuł (full article) - plik PDF



Dibnis Grigoriy
Volodymyr Dahl East- Ukrainian National University , Lugansk, Ukraine

Summary. Cyclone with shutters lattice application for refinement of transport engines ingoing air is analyzed. Several types of designs and peculiarities of similar cyclones are presented. Possibility of further improvement of diesel engine air refinement processes by cyclone using is offered here.
Keywords: dust catcher, air refinement, cyclone separator, shutters lattice.



MODIFICATIONS OF CYCLONE WITH SHUTTERS LATTICE - pełny artykuł (full article) - plik PDF

Dmitry Dmitrienko
Volodymyr Dahl East- Ukrainian National University , Lugansk, Ukraine

Summary. Cyclone with shutters lattice application for refinement of transport engines ingoing air is analyzed. Several types of designs and peculiarities of similar cyclones are presented. Possibility of further improvement of diesel engine air refinement processes by cyclone using is offered here.
Keywords: dust catcher, air refinement, cyclone separator, shutters lattice.



DECREASE IN FORMATION OF WELDING SMOKES AT ARC WELDING BY A MELTING ELECTRODE IN THE ENVIRONMENT OF ACTIVE PROTECTIVE GASES pełny artykuł (full article) - plik PDF

Oleg Druz, Svetlana Zhitnaya
Chair "Labour safety and safety of ability to live" of the Volodymyr Dahl East-Ukrainian National University, Lugansk, Ukraine

Summary. The necessity of working out of measures on protection of workplaces from dangerous and harmful factors arising up at arc welding in the environment of active protective gases is shown.
Key words: arc welding, aerosol, complex shielding medium, active protective gas, construction steel.



WAYS OF PROFESSION-ORIENTED DISTANCE EDUCATION EFFECTIVENESS INCREASING - pełny artykuł (full article) - plik PDF

Valery Dyadychev , Iryna Burtseva
Computer Sciences Chair, Computer Sciences Department.
Volodymyr Dahl East- Ukrainian National University , Lugansk, Ukraine

Summary. There have been analyzed five general domains of “best practice” in distance education programs application. With the consideration of distance education specifics in Eastern Europe there have been worked out the nine basic domains applicable regardless of the home institution. The advantages/disadvantages of these domains are observed.
Key words: distance education, electronically-mediated education, distributed education.



USERS AUTHENTICATION MEANS ANALYSIS IN DISTANCE LEARNING SYSTEMS - pełny artykuł (full article) - plik PDF

Valery Dyadychev, Andrey Kolesnikov
Computer Sciences Chair, Computer Sciences Department Volodymyr Dahl East Ukrainian National University

Summary. The main ways of personality authentication by means of voice biometrics as the method of the learner recognition in distance learning systems are considered. The advantages and disadvantages of such authentication means are pointed out. Their comparative analysis with other biometrical systems is provided.
Key words: distance learning, learner, information system, authentication, identification, biometrical systems, voice biometrics.



CO-INJECTION MOLDING AS ONE OF THE MOST POPULAR INJECTION MOLDING TECHNOLOGIES FOR MANUFACTURE OF POLYMERIC DETAILS FROM SECONDARY RAW MATERIALS - pełny artykuł (full article) - plik PDF

Valery Dyadychev, Helen Pugacheva, Alexey Kildeychik Volodymyr Dahl East-Ukrainian National University, Lugansk, Ukraine

Summary. Sandwich-molding method as one of the most popular injection molding technologies for manufacture of polymeric details from secondary raw materials is considered in article.
Key words: recycling, injection molding, sandwich molding, multi-component molding, injection molding machine.



INFORMATION MODEL OF THE COMPETITIVENESS OF ENTERPRISE CONTROLLING - pełny artykuł (full article) - plik PDF

Alexey Dyubanov
Volodymyr Dahl East Ukrainian National University, Lugansk, Ukraine

Annotation. In this article had been created an information model of the competitiveness of enterprise controlling which is taking into the account tactical and strategic levels of planning. It is considered that there are two cycles in a model of controlling the competitiveness.
Key words: competitiveness, management, estimation, analysis, information model



LATHE TURNING WITH PLASMA HEATING OF HARD-TO-TREAT MATERIALS - pełny artykuł (full article) - plik PDF

Vladimir Gavrysh, Marina Morneva
Volodymyr Dahl East-Ukrainian National University, Lugansk, Ukraine

Summary. The questions considered is connected to optimization of plasma-machining. The results of the investigating the influence of process working parameters on forces and temperature of cutting, and stability of cutting tool are presented in the article.
Key words: plasma-assisted machining (PAM), forces of cutting, cutting instrument hardness, roughness.



MINIMIZATION OF TERRORIST ACTION CONSEQUENCES IN THE TRAINS OF RAILWAY TRANSPORT - pełny artykuł (full article) - plik PDF

Aleksandr Golubenko, Yuriy Yu. Osenin Volodymyr Dahl East-Ukrainian National University, Lugansk, Ukraine

Summary. There offered the system of the train automatic control of rolling stock under the conditions of terrorist action and there given the analysis of physical and technological preconditions for its creation. Main components of the system are the explosion identification sensors in the vans and the sensors indicating the running off the rails. The structure and algorythm of the system functioning are given.
Key words: railway transport, system of the train automatic control of rolling stock, terrorist action, explosion identification sensor, sensors indicating the running off the rails.



THE CHANGE IN PARAMETERS OF THE CONTENTS OF A CAVITY APPEARING AFTER AN ELECTRICAL DISCHARGE IN WATER DUE TO FORMATION OF LONG-LIVING LUMINOUS OBJECTS WITHIN IT - pełny artykuł (full article) - plik PDF Pyotr Golubnichy
Pyotr Golubnichy, Denis Reshetnyak, Yuri Krutov, Eugenie Nikitin
Volodymyr Dahl East-Ukrainian National University, Lugansk, Ukraine

Summary. The results of the experiment, which indicate the influence of the formation of long-living luminous objects (LLO) in the cavity, formed by electrical breakdown in water, on the thermodynamic parameters of its contents. The attempt to link the occurrence of LLO with the condensation of water molecules in the nuclei of the liquid phase - quatarons. Formation quatarons reduces the concentration of the contents of the cavity and is probably one of the factors necessary to achieve conditions close to the initiation of thermonuclear reactions in the cavitations.
Key words: quataron aggregation, pulsing cavern, thermonuclear reaction, cavitation



EFFICIENCY FUNCTION FOR EVALUATION OF THE LOCOMOTIVE TRACTION AND ADHESION QUALITIES - pełny artykuł (full article) - plik PDF

Nikolay Gorbunov, Alexander Kostyukevich, Kateryna Kravchenko
Volodymyr Dahl East- Ukrainian National University , Lugansk, Ukraine

Summary. This article proposes the method for evaluation of the locomotive traction and adhesion qualities based on the developed efficiency function. Efficiency of the selective matching of the traction electric motor (TEM) by the locomotive wheel sets taking into account redistribution of wheel set loads on rails and difference of the wheel set–rail adhesion is examined. Evaluation of the impact of the fill up devices in coupling of the body frame with bogie is made.
Key words: efficiency function, traction qualities, wheel-rail adhesion, redistribution of vertical loads, traction electric motor characteristics.



IDENTIFICATION OF SIGNIFICANT FACTORS THAT CHARACTERIZE THE ECONOMIC EFFICIENCY OF INDUSTRIAL ENTERPRISES OF RAILWAY TRANSPORT pełny artykuł (full article) - plik PDF

Tatyana Guzhol
Volodymyr Dahl East-Ukrainian National University, Lugansk, Ukraine

Summary. According to developed economic situations and operating standard documents significant factors which characterise economic efficiency of work of the enterprises of an industrial railway transportation are defined.
Key words: management of industrial transportation company, hauling calculations, the cost of the transportation process



PHYSICAL EFFECTS FOR CONSTRUCTING TEMPERATURE SENSORS - pełny artykuł (full article) - plik PDF

Gennady Kalyuzhnyi, Alim Kovalenko, Ellen Lyshtvan
Volodymyr Dahl East-Ukrainian National University, Lugansk, Ukraine

Summary. An analytical review of the mechanisms of gas breakdown is carried out. The ways to use this phenomenon in optopneumatics are suggested.
Keywords: temperature sensor, gas breakdown, laser



TOOTH-GRINDING OF CYLINDRICAL TOOTH-WHEELS BY QUASI-HYPERBOLAR CUTTING TOOLS - pełny artykuł (full article) - plik PDF

Alexander Kashura, Irina Kirichenko, Vladimir Vitrenko
Volodymyr Dahl East- Ukrainian National University , Lugansk, Ukraine

Summary. The article deals with cutting of cylindrical involute wheels with hyperbolar knurling instruments.
Key words: hyperbola, teeth-wheel, relative speed, specific slip, specific curvature, rolling, engagement



THE ANALYSIS OF EXISTING CRITERIA OF THE COMFORTABLE CONDITION OF THE PERSON AT INFRA-RED HEATING - pełny artykuł (full article) - plik PDF

Nikolay Kasyanov, Victor Ryabichev, Ivan Savchenko Volodymyr Dahl East- Ukrainian National University , Lugansk, Ukraine

Summary. It is shown, that thermal sensations of the person depend not only on thermal balance of its body, but also from the scheme of transfer of heat to the environment, and also from a parity of temperature of the air and temperature of the protecting constructions in a premise, around of the person.
Key words: thermal balance, comfortable conditions, radiant or convective heating, infra-red radiation, air or premise temperature.



INFORMATION MAINTENANCE FORMALIZATION OF MATERIAL FLOWS IN LOGISTIC SYSTEMS - pełny artykuł (full article) - plik PDF

Alexey Kichkin, Elena Kichkina,Maxim Slobodyanyuk
Volodymyr Dahl East-Ukrainian National University, Lugansk, Ukraine

Summary.In this article considered the problem of information maintenance formalization of material flow in logistic systems based on relational algebra, which will allow to draw up a single approach to information systems in logistics.
Key words: Logistics, material flow, dataware, relational algebra, formalization.



METHOLOGY OF EXPERT WORK FOR INSURANCE OF ACCIDENT AT PRODUCTION - pełny artykuł (full article) - plik PDF

Tatyana Kichkina
Volodymyr Dahl East- Ukrainian National University , Lugansk, Ukraine

Summary: The methology for improving the work of the expert in insurance of accident at production.
Key words: insurance experts, method?logy of analysis of expert-insurance, accident at work, tariff policy.



ANALYSIS OF THE ULTRASONIC CONTROL SYSTEM AT MAKING OF ELEMENTS AND KNOTS OF ROLLING STOCK OF RAILWAYS - pełny artykuł (full article) - plik PDF

Andrey Kireev
Volodymyr Dahl East-Ukrainian National University, Lugansk, Ukraine

Summary. In the article is conducted the analysis of the ultrasonic nondestructive control system of elements and knots of rolling stock of railways, at his issue from production. Different methods of ultrasonic control are considered. Methods get most distribution at the control of elements and knots of mobile composition are shown.
Keywords: rolling stock of railways, acoustic methods of nondestructive control, ultrasonic control, ultrasonic fault detector, piezoelectric transformer, ultrasonic impulsive echo-method.



TRIBOLOGICAL PROPERTIES OF HIGH NITROGEN STEELS AFTER HYDROGENATION - pełny artykuł (full article) - plik PDF

Valerii Kolesnikov, Alexander Balitskiia,b , Jacek Eliaszb Volodymyr Dahl East-Ukrainian National University, Krasnodon Department of Engineering and Management, Krasnodon, 94400 Ukraine a)Karpenko Physiko-Mechanical Institute, Lviv 79601, Ukraine b)West Pomeranian University of Technology, Szczecin, 70-310, Poland

Summary. The articles has presents the results and original experimentals data of wear resistance of high nitrogen steels after hydrogenation. The results of tribological tests revealed that the size of the wear products after hydrogenation are much higher, than before the hydrogenation of samples (linear sizes has differed in 5 - 6 times).
Key words: hydrogen resistance, high nitrogen steels, wear products.



TEMPORAL CHARACTERISTICS OF THE INITIAL STAGES DIFFUSION OF AEROSOLS IN A TURBULENT FLOW - pełny artykuł (full article) - plik PDF

Vladimir Sokolov, Sergey Kuz'menko, Anton Veligura
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. An analysis of the initial stages of diffusion of aerosols in turbulent flow is given. Assessment of the temporal characteristics of induction and transition periods of the diffusion process is completed.
Key words: aerosols, diffusion processes, turbulent flow, kinetic energy, Lagrangian functions, diffusion coefficient.



ACTIVE STEERING CONTROL SYSTEM OF A RAIL VEHICLE BASED ON FUZZY LOGIC AND THE ANALYSIS OF THE SOUND RADIATION - pełny artykuł (full article) - plik PDF

Maksym Spiryagin, Valentyn Spiryagin, Vitaly Ulshin
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary: The object of this investigation was to design, develop and simulate a fuzzy logic controller for an active steering control system of a rail vehicle. The active steering railway bogie is built upon the application of axle boxes with links and actuators inclined to the longitudinal axle of bogie in the horizontal plane. Actuator actions depend on analysis of noise in the wheel-rail contact. The simulation of the proposed system was performed using Matlab/Simulink and Simpack software products. The obtained results of simulations with a locomotive model running in a curve show the possibility of the application of the proposed design for new rail vehicles and locomotives produced earlier, which have running gear based on Alstom designed constraints.
Key words: dynamics of rail vehicles, mechatronic systems, fuzzy logic controller, bogie, actuator stability control, guidance control, integrated control, rolling noise, sound pressure, simulation, locomotive model



INVESTIGATION OF INFLUENCE OF FRICTIONAL MATERIAL'S CHARACTERISTICS OF BRAKE BLOCKS OF RAILWAY TRANSPORT ON THEIR FUNCTIONAL THERMAL STATE - pełny artykuł (full article) - plik PDF

Valeriy Starchenko, Alexander Kushchenko
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The results of calculated investigations of overheating pair friction of mechanic brakes of railway rolling-stock made on the basis of numerical solving of no stationary equation of heat exchange have beer presented. The equation of regression in the function of four main factors of influence has beer receiver and offered for using it when calculating heat characteristics of brakes.
Key words: railway transport, mechanic brakes, brake blocks, carbon-carbon (C-C) composite, thermal state, calculation.



LOAD-INDEPENDENT POWER LOSSES OF GEAR SYSTEMS: A REVIEW - pełny artykuł (full article) - plik PDF

Valeriy Stavytskyy, Pavel Nosko, Pavel Fil, Aleksey Karpov, Nikolay Velychko

Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. This paper provides a review of experimental investigations and available models of gear load-independent power losses (windage losses, churning losses and air-oil pocketing power losses) for spur, helical, and bevel gears. The aim of the review is to provide a comprehensive compilation of published information on gear load-independent power losses to assist gearbox designers in identifying relevant experimental and modeling information. While it is clear from the review of published work that the rotational speed, gear geometrical parameters, degree of confinement, and density of the fluid surrounding the gear are important, the degree of effect and general solutions for reducing power loss are less clear. The motivation for this is that for some applications, this power loss can be a significant component, particularly lightly loaded high-speed applications.
Key words: transmissions, gears, windage loss, churning loss, air-oil pocketing loss, gearbox efficiency, empirical models.



AN ALGORITHM OF SHARED INDUSTRIAL ROBOT CONTROL FOR FLEXIBLE MANUFACTURING SYSTEM - pełny artykuł (full article) - plik PDF

Sergej Stoyanchenko, Darya Shvetsova
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. A mathematical model of the process of a flexible manufacturing system functioning has been offered. On the basis of the dynamic programming method an algorithm of shared industrial robot control of a flexible manufacturing system has been worked out. Fig.2, ref.4.
Key words: transport system, technological workstation, algorithm optimal, flexible manufacturing system, mathematical modeling, dynamic programming, industrial robot.



MANUFACTURING TECHNOLOGY OF COMPLICATED SHAPE PARTS OF SINTERED METAL POWDERS - pełny artykuł (full article) - plik PDF

Aleksander Stoyanov, Gennadiy Shenkman

Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The technologies of powder metallurgy (PM) provide vast possibilities of manufacturing various powder products with forming of required mechanical, physical and service properties. New technologies of manufacturing metal powder parts developed by EUNU are presented in the paper. The technologies allow for manufacturing parts with desired mechanical properties, complex shape and intended for severe service conditions. The separate stages of forming details have been presented, as well as the effect of technological parameters on the properties of the finished product.
Key words: metal powder, compaction die, solid lubricant, stress, density, load-displacement.



NEW ECOLOGICAL BINDER MATERIALS BASED ON VEGETATIVE RAW MATERIALS PROCESSINTG PRODUCTS - pełny artykuł (full article) - plik PDF

Yuri Svinoroev, Vladimir Kostrub, Olga Klimova
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. Rise in price of binders production is based on oil and its derivatives has led to the economic inexpediency of using many traditionally used binder materials. Considerable toughening of ecological requirements to production revealed principal impossibility to use many traditional materials because the products generated using them are toxic. It involves deterioration of labor conditions and destabilization of environment ecological indices. These stipulate the search of acceptable alternatives. One of which may be enlargement of vegetative raw material processing products as binder materials.
Key words: vegetative raw materials, binder materials, technical lignosulfonats, binder ability.



POWER CHARACTERISTICS OF SUPERCHARGERS WITH VORTEX WORK CHAMBER - pełny artykuł (full article) - plik PDF

Dmitry Syomin, Andrey Rogovoy
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The research results of a working process and power characteristics of new type superchargers that combine principles of power transmission centrifugal and jet pumps are presented. The methods of mathematical and physical simulation determined features of physicals weep processes happening in devices at their operation on single-phase and heterogeneous mediums. The mathematical simulation was made on the basis of numerical solutions Reynolds equations. The experimentally obtained operating brought to the universal characteristic.
Key words: fluidics, vortex chamber, power characteristics, efficiency, trajectory.



THE ADAPTIVE CONTROL OF HIGHER EDUCATION PROCESS QUALITY OF A UNIVERSITY ON A "TEACHER - STUDENT" LEVEL - pełny artykuł (full article) - plik PDF

Vladimir Tkach
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary: An adaptive control model of the educational process of higher education based on the optimization of choice of education, forms of organization and holding classes is proposed. This model will enable to implement the adaptation of holding classes' forms to the students' needs and opportunities.
Key words: adaptive control, higher education, education process' quality, holding classes' forms



SOCIAL ENVIRONMENT AND A PERSON: PSYCHOLOGICAL PROBLEM OF EXISTENCE AND SURVIVAL - pełny artykuł (full article) - plik PDF

Victoria Tretyachenko
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. In the article the problem of interaction of social environment and a person is considered. Factors which considerably influence and complicate the person's existence and survival in the conditions of the information society are analyzed. The social-psychological analysis of displays of violence at interpersonal level is carried out and psychological means of minimisation of the given displays are described.
Key words: a victim, a person, violence, the social environment.



NATIONAL INNOVATION SYSTEM AS THE BASIS OFINNOVATION-TYPE ECONOMY - pełny artykuł (full article) - plik PDF

Victoria Tretyak, Maksym Kurilov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The theoretical and methodical aspects of national innovation system formation have been considered. The basic organizational-technical requirements for formation of national innovation system of Ukraine have been proposed.
Key words: national innovation system, knowledge, innovations, scientific-technical potential, generation, technology, innovation economy.



AN INVESTIGATION OF THE PROCESS OF ANTHRACITE PARTICLES DESTRUCTION IN PERCUSSION CRUSHING MACHINES - pełny artykuł (full article) - plik PDF

Volodimir Turushin, Sergey Lenich
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. In the given article we investigate the process of anthracite destruction in percussion crushing machines under circumstances of matching of processes of conveyance and crushing. We adduced the dependence of the received dispersion on the speed during the hit of anthracite particles angularly against a hard obstacle
Key words: anthracite, percussion crushing machine, destruction, thermal power plant



THE ANALYTICAL SOLUTION METHOD OF THE ORDINARY COALS OPTIMUM BATCHING PROBLEM - pełny artykuł (full article) - plik PDF

Vitaly Ulshin, Oleg Grachyov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The solution method of the problem of optimization batch's composition is offered. It provides maximum of an output at a minimum of useful products' losses with a waste in conditions of raw materials' astable deliveries. The problem's decomposition with separation of restoration fractional and granulometric composition's problem under the incomplete information is carried out. It is shown that use of the offered method provides increase of a concentrating factory's overall performance.
Key words: information restoration, optimization, batch, ordinary coal, fractional composition, granulometric composition.



CONCEPTION OF THE SMALL-PIECES BUILDING PRODUCTION' AUTOMATION - pełny artykuł (full article) - plik PDF

Vitaly Ulshin, Dmytro Zubov, Alexander Gorbunov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine System Engineering Department

Summary. In a paper, the conception of the small-pieces building production' automation is shown on the classical control automatic and fuzzy sets theories basis. Key words: production structure, decomposition, control system, mathematical model, synthesis, regulator, fuzzy control model, CIM.



SYNTHESIS OF ARTIFICIAL NEURON NETWORKS - pełny artykuł (full article) - plik PDF

Vitaly Ulshin, Dmitry Yurkov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. A method of synthesis of neuron networks is offered, which unites formation of interneuron connections, choice of the quantity of neurons composing a network and defining their weight coefficients within a single iteration process. Based on the specific features of the interneuron connections, there is the offer to define a new type of network topology - networks with fractal structure. The effectiveness of use of the synthesized networks, which are united in the network system, is shown.
Key words: neuron networks, method of synthesis, topology.



MODEL OF POTENTIAL CHANGES IN THE ENTERPRISE - pełny artykuł (full article) - plik PDF

Denis Voronkov, Natalia Korolevska
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. High dynamics of the market, which affects the economic activities of all, without exception, from large corporations to small business, determines the need for regular and timely changes in the work of enterprises. Change management is an important element of the management company and is especially important in a volatile external environment of the enterprise. With the economic crisis, the success of adaptation to market needs are constantly changing, is determined by how effectively introduced at the enterprise change management.
Key words: changes, potential changes, strategic changed innovate development.



INTERNATIONAL COMPETITIVENESS OF THE REGION AS THE BACKGROUND OF FORMING GEOECONOMIC DIRECTIONS OF FOREIGN ECONOMIC ACTIVITY OF ITS INDUSTRIAL ENTERPRISES - pełny artykuł (full article) - plik PDF

Alla Voronkova, Olena Sushchenko*, Sergii Chasovskyi
Department of Management of Foreign Economic Activity,
*Department of International Economics
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. Categories of competitiveness concept are analyzed and the essence of international of the region is defined. The conceptual approach of forming the strategies of international competitiveness of the region is developed. There is proved the interconnection of geoeconomic directions of foreign economic activity of the regional enterprises with its international competitiveness level.
Key words. region, competitiveness, foreign economic activity, enterprise, geoeconomic directions.



MODEL OF HUMAN CAPITAL COMPANY - pełny artykuł (full article) - plik PDF

Alla Voronkova, Anton Grynov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. With the innovation of the global economy is changing the technological basis of social production. Of particular importance in this case becomes the intellectual capital, which determines the structure of the national economy, quality of products made in different sectors, as well as the efficiency of management at all organizational levels. In turn, the degree of development of intellectual work and its involvement in the production processes are important factors that determine a country's competitiveness in the global economy, its export opportunities.
Key words: human capital, human resources, competitive advantage.



METHODOLOGICAL ASPECTS OF MAGNETIC SEPARATORS SEARCH DESIGN - pełny artykuł (full article) - plik PDF

Alexander Zakharchuk, Irina Shvedchikova
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The paper presents the results of research on the development of search design procedures dataware based on the use of methodological instruments of genetic systematics. The possibility of use of search results for directed synthesis of patentable engineering solutions has been demonstrated.
Key words: magnetic separator, search design, basic species, genetic systematics, synthesis.



IMPROVEMENT OF TRIBOTECHNICAL CHARACTERISTICS OF PISTON RING SURFACE AT RUNNING IN - pełny artykuł (full article) - plik PDF

Taras Zamota, Alexander Kravchenko
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. In the article the results of experimental and theoretical researches of the electrochemical - mechanical running in (grinding in) of grinding in surface of piston ring are presented. The ECMR(G) is provided by the improvement of tribotechnical characteristics of the runnig in surfaces at hydrodynamic friction are shown.
Key words: piston ring, running in, electrochemical - mechanical process



TOPICAL QUESTIONS OF IMPLEMENTATION OF INFORMATION SERVICES IN A NETWORK OF UNIVERSITY - pełny artykuł (full article) - plik PDF

Eduard Zharikov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary: The basic directions of informatization of establishments of higher education colleges and universities, status of informatization of East-Ukrainian National University named after Volodymyr Dahl and working capacity of information services are considered, actions on introduction of the unified computer-integrated platform for distant learning and automation of job of administrative divisions are offered, importance of wireless networks and VoIP systems for maintenance of competitiveness and improvement of quality of educational services is noted.
Key words: informatization, educational services, distant learning, information network



DEVELOPMENT AND RESEARCH OF PROTECTIVE COAT ON BASIS OF "STIKOR" COMPOSITION - pełny artykuł (full article) - plik PDF

Maya Zhdanova, Sergei Zhdanov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The results of physic, mechanical, electrochemical and electric tests of paint coat "Stikor" on the base of thermoplastic polymer - polystyrol are presented. This coat possesses high corrosion resistances and can be recommended for defense of internal surfaces of the specialized railway vehicles transporting a mineral fertilizer. Key words: protective coat, "Stikor", corrosion, sample, test, adhesion, strength.



FEATURES OF INDUSTRIAL ENTERPRISES MARKET POSITIONING ON THE BASIS OF MARKETING POLICY - pełny artykuł (full article) - plik PDF

Olga Zhdanova
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. Modern state of Ukrainian industry with special accent on a situation in metallurgical industry is considered. The directions of positioning are offered. The constituents of stable economic positions are presented. Indexes of the real position of industrial enterprise estimation are transferred. The directions of marketing-mix elements research for development of marketing policy are offered. Key words: positioning, marketing policy, marketing-mix, market, metallurgy, enterprise.



PROBLEMS AND PROSPECTS OF THE DEVELOPMENT BANKING SYSTEM ON UKRAINE IN THE CONDITIONS OF GLOBALIZATION - pełny artykuł (full article) - plik PDF

Pavel Zhytnyy, Olga Kulikova
Department of Banking Business Faculty of Finance Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The state investigates the bank systems of developed countries and countries with transition economy in conditions of financial globalization. Such aspects of developed countries bank systems, as organizational structure, monetary policy and instruments were analyzed. Besides, the functional aspects accounting policies and benefits of using IFRS-compliant financial statements were explored.
Key words: globalization, banking system, capital, investments, financial statements, International accounting standards.



TOOTH-GRINDING OF CYLINDRICAL TOOTH-WHEELS BY QUASI-HYPERBOLAR CUTTING TOOLS. - pełny artykuł (full article) - plik PDF

Alexander Kashura, Irina Kirichenko, Vladimir Vitrenko
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The article deals with cutting of cylindrical involute wheels with hyperbolar knurling instruments.
Key words: hyperbola, teeth-wheel, relative speed, specific slip, specific curvature, rolling, engagement.



ON CONTACT THERMAL RESISTANCE IN THE SYSTEM OF ACTIVE EFFECTIVE COOLING OF THE LOCOMOTIVE DISK BRAKE - pełny artykuł (full article) - plik PDF

Igor Sosnov, Irina Biloborodova, Oksana Sergienko
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. This paper considers the methods of theoretical estimation of the contact thermal resistance of the elements of the active liquid-air cooling system of the locomotive disk brake. It gives the possibility to carry out estimation of heat exchange in the contact of heterogeneous materials taking into account their microscopic and macroscopic parameters. Its application enables to carry out the necessary thermal contact correction of the integration: brake disk - heat removing element aimed at the provision of optimal functioning of the active cooling system of the locomotive disk brake.
Key words: heat resistance, active cooling, locomotive disk brake.