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

Strona redakcyjna - editorial page - plik PDF

Wstęp - plik PDF

Spis treści - plik PDF

QUASI-SELF-ADJOINT MAXIMAL ACCRETIVE EXTENSIONS OF NONNEGATIVE SYMMETRIC OPERATORS - pełny artykuł (full article) - plik PDF

Yury Arlinskii*, Yury Kovalev*, Eduard Tsekanovskii**

*Department of Mathematical Analysis, East Ukrainian National University, Lugansk, Ukraine
**Department of Mathematics, Niagara University, USA

Summary. We give a new parametrization of all quasi-self-adjoint maximal accretive extensions and maximal sectorial extensions (with vertex at and the acute semi-angle) for a densely defined closed nonnegative symmetric operator. An application to point interactions model on the real line is considered.
Key words: nonnegative symmetric operators, quasi-self-adjoint, accretive, sectorial extensions, transversal operators, point interactions.



DETERMINATION OF OPTIMUM CONSTRUCTIONAL DATA OF FEED DEVICE OF FRICTION MODIFIER WITH PNEUMATIC DRIVE - pełny artykuł (full article) - plik PDF

Julia Baranych, Jaroslav Mushkajev, Olexsander Klujev
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The articles describes mathematical model of operation of pneumatic drive device, which increases traction coefficient of locomotive with rails and describes solution of this model in real conditions. Also the principle pneumatic scheme of feed of traction modifier is suggested for locomotive 2T116.
Key words: friction modifier, slip velocity, pneumatic drive, friction coefficient.



IMPROVEMENT OF THE ULTRASONIC DIAGNOSING OF AXES OF THE WHEELED PAIRS OF ROLLING STOCK OF RAILWAYS - pełny artykuł (full article) - plik PDF

Gennadiy Basov*, Andrey Kireev*, Margarita Kireeva**

* Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine
**JSC Holding Company "Luganskteplovoz"

Summary. A mathematical vehicle for computation and construction of diagrams amplitude-distance-diameter is presented, application of which allows to promote authenticity of results of diagnosing of axes of the wheeled pairs of rolling stock of railways by an ultrasonic method.
Key words: rolling stock of railways, technical diagnosing, ultrasonic impulsive echo-method, defect.



DETERMINATION OF THE PROPERTIES OF WHEEL TYRE METAL OF RAILWAY ROLLING STOCK IN CROSS-SECTIONAL VIEW - pełny artykuł (full article) - plik PDF

Gennadiy Basov*, Andrey Kireev*, Margarita Kireeva**



Gennadiy Basov*, Andrey Kireev*, Dmitriy Lysak**
*Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine
**OJSC "HC "Luganskteplovoz"

Summary. The article presents the results of experimental investigations directed at study of tyre metal properties with destructive methods. Hardness and microstructure have been differenced in cross-sectional view by hardness and grain size.
Key words: wheel pair, tyre, hardness, microstructure, chemical composition.



SELECTION OF BATCHER WITH HORIZONTAL DISK PARAMETERS WHILE MAIZE SOWING - pełny artykuł (full article) - plik PDF

Victor Belodedov*, Pavel Nosko*, Pavel Fil*, Marina Mazneva**, Grigoriy Boyko*
* Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine ** Lugansk national agrarian university

Summary. Results of multifactorial experiment by rotatable planning matrix for three factors: height and diameter of seed tube, rotary speed of seed disk are presented. Experiment results were analyzed according to generally accepted methods. Adequate model was received. Influence of each factor on "double" intervals formation and optimal value of each factor were determined.
Key words: amount of "doubles", influence of factors, optimization.

OPTIMAL DESIGN OF ELECTROMAGNETIC PULLEYS WITH MAXIMAL MAGNETIC EXTRACTION FORCE- pełny artykuł (full article) - plik PDF

Yuri Branspiz*, Mikhail Zagirnyak**, Kateryna Bukrieieva*
* Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine **Kremenchug Mikhail Ostrogradsky State Polytechnical University, Ukraine

Summary. It is displayed that there is a possibility to considerably increase the extraction forces of serial electromagnetic pulleys. The new criteria of their optimization are offered. The results of standard sized pulleys calculation are produced. It is shown that starting from a particular value of extraction depth calculated parameters of the electromagnetic pulley with maximal extraction force do not change.
Key words: electromagnetic pulley, optimization, new criteria.



FORMING THE PATTERN OF STAFF TECHNICAL COMPETENCE - pełny artykuł (full article) - plik PDF

Iryna Buzko, Olena Vartanova, Olena Chasovskaya*
Department of International Economics, *Department of Enterprise Management Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The essence and the structure of staff competence are defined. The notion of the staff competence pattern and its structure are defined. The basic pattern of enterprise staff competence is developed. The approaches to evaluation of technical staff competence are defined.
Key words. competence, technical competence, pattern, staff, structure, forming.



MULTIPARAMETER MULTIPLE-FACTOR ANALYSIS OF THE CLIMBING CRANES' DYNAMICS- pełny artykuł (full article) - plik PDF



Leonid Budikov
Department of Lifting and Transport Technique, Faculty of Logistics Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. Multiparameter multiple-factor investigations of the motor plugging dynamics of the bridge cranes with 10 tons hoisting capacity had been made. The statistical model of the optimization generalized criterion dependence from dominate factors had been built. The efficiency of this research method from the point of climbing cranes dynamics reduction had been shown.
Key words: climbing cranes, multiparametric optimization, braking processes, the generalized criterion.



MORAL ASPECTS OF MODERNIZATION THE TAX POLICY IN THE CONDITIONS OF EXISTENCE THE DEPRESSED TERRITORIES - pełny artykuł (full article) - plik PDF

Tetyana Calinescu
Taxation department, Faculty of financial management Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary.was shows the tendencies which was folded in Ukrainian society and formulated the directions of modernization the tax policy, include the conditions, where found the depressed territories.
Key words: modernization, depressed territories, moral society, social obligations, system of taxation, tax policy



RESOURCE SAVING OF DETAILS OF MOBILE ROLLING STOCK BY PROTECTIVE METALLIC COATING - pełny artykuł (full article) - plik PDF

Natalya Chernetskaya, Ludmila Kolodyazhnaya, Gennadiy Shenkman
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. In the article it is shown that mechanic-chemical treatment as resource-saving technology is an efficient method of the protection of responsible parts of rolling stock with high operational characteristics. An influence of amplitude and frequency of low frequency vibrations on speed of forming the metallic coating is ascertained at mechanic-chemical method of its application. An increase of microhardness in 1.1 time as well as the strength of the produced coating in 1.5 time is experimentally determined in comparison with the zinc galvanic coating.
Key words: mechanic-chemical method, forming the coating, low frequency vibrations, protective metallic coating, thickness of coating.



RATIONAL WAYS OF DEVELOPMENT OF RAILWAY0020TRANSPORTATIONS BY INTERNATIONAL TRANSPORT CORRIDORS (REVIEW) pełny artykuł (full article) - plik PDF

Natalya Chernetskaya, Ludmila Kolodyazhnaya
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. In the articles the problem and rational ways of development of subsequent integration of Ukrainian railways to a transport internetwork are considered. For integration of railways of Ukraine to a transport internetwork and subsequent development of passenger and freight transportations by international transport corridors rational ways are:the change of technology of work of railways of Ukraine needs selection of international transit transportations to a separate priority category. It follows to accept as a priority development of interoperable and intermodal transportations.

Key words: technology of maintenance of freight carriage stream, international transport corridors, railway transportations.

MODELLING OF AVALANCHE-LIKE SOCIOECONOMIC PROCESSES - pełny artykuł (full article) - plik PDF

Vitaly Danich
Department of Informatics, Faculty of Mathematics;
Department of Management, Faculty of Management;
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary.This article is devoted to the mathematical theory of avalanche social and economic processes (currency and stock exchange panics, market agiotage), characteristic for unstable and crisis economy. The panic situations in Ukraine and Russia in 1994-2009 are investigated. Mathematical and imitating models of panic in the society of information type, differentiated under economic, social-psychological and role characteristics of subjects, are created. These models take into account the effect of synergy at interaction of subjects, the effect of purchase and loss of immunity to panic. The received models allow to reveal patterns of panic development, and then to use this knowledge in systems of preventive maintenance and suppression.
Key words: avalanche social and economic process, a panic, mathematical model of a panic, computer imitating model of a panic, preventive maintenance and suppression of a panic.



METHOD OF DIAGNOSTICS OF LOCOMOTIVE DIESEL ENGINE1 - pełny artykuł (full article) - plik PDF

Oleg Dzetsina, Vitaliy Gladushin
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The modern state of locomotive equipment of railway transport of Ukraine is considered in the article. The renewal of park of locomotives due to modernization supposes the change of the system of technical maintenance and introduction of facilities of the technical diagnostics for the estimation of their technical state.
Key words: main-line and yard diesel locomotives, modernization, systems of diagnostics, internal thermal balance

PROTECTIVE FACTORS OF TEXTILE MATERIALS FOR SPECIAL DESIGNATION CLOTHES- pełny artykuł (full article) - plik PDF

Inna Deyneka, Anatoly Mychko
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary.The work is focused on standard methods, means and equipment now used for studying protective factors of textile materials in the process of development and serial production of special designation clothes when carrying out works with such corrosive media as mineral acids with various concentration, alkali and salt solutions on their base.
Key words. Chemical resistance, corrosive media, permeability, evaluation, method, sample.



INERTIAL DUST CATCHERS EFFECTIVENESS - pełny artykuł (full article) - plik PDF

Dmitry Dmitrienko

Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. Dry inertial dust catchers (DIDC) application for refinement of transport engines ingoing air is analyzed. The common types of designs and peculiarities of dust catchers are presented. Possibility of further improvement of diesel engine air refinement processes by DIDC using is offered here.
Keywords: dust catcher, air refinement, cyclone separator, effectiveness.



SUBSTANTIATION OF THE CHOICE OF SOLVING PROBLEM OF IDENTIFICATION OF THE TESTED PERSON IN THE SDE BY MEANS OF TAKING BIORHYTHMIC INDICATION OF HIS FACE - pełny artykuł (full article) - plik PDF

Valery Dyadichev, Leonid Kapusta, Vyacheslav Vashchenko, Alina Litvinenko
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. Problems of falsification of knowledge by students in the system of distance learning are considered in this article, offered possible ways of solving the given problem. Justification of the choice of identification of the user of the given system for biometric face reading has been made.
Key words: identification, a system of distance learning, distance learning, falsification of knowledge.



PROBLEMS OF SPECIFIED QUALITY POLYMER MIXTURE PREPARATION WHEN UTILIZING WASTE IN COEXTRUSION EQUIPMENT - pełny artykuł (full article) - plik PDF

Valery Dyadychev**, Tatyana Tereshchenko*, Aleksandr Dyadychev**

*Computer Sciences Chair, Computer Sciences Department * Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. New construction of coextrusion equipment for mixing initial plastics with polypropylene (PP) recyclates with HDPE and LDPE with HDPE is offered. The additions influence on the mixture of PP/ HDPE block-copolymer propylene is studied. The problem of polymers compatibility for the process of second polymer materials coextrusion is investigated.
Key words: multilayer polymer material, coextrusion, adhesion, layers bounding strength, material stress-strain properties, polymer mixture receipt.



PROJECT TECHNOLOGIES AS MEANS OF DISTANCE LEARNING EFFECTIVENESS IMPROVING - pełny artykuł (full article) - plik PDF

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

Summary.The essence of project technologies applied in educational and upbringing process in high school is examined. Their classification according to Eu.Polat is given as well as the stages of project realization. Characteristic features of distance learning are shown. The existing types of distance learning and the advantages/disadvantages of project technologies application within each of the types are observed.
Key words: project technologies, distance learning, project, projects method, innovations, information technologies.



INDUSTRIAL ENTERPRISES' STUDY OF AUTOMATIC CONTROL SYSTEMS - pełny artykuł (full article) - plik PDF

Valeriy Dyadichev, Andrey Kolesnikov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. A research of opportunities and benefits of automated enterprises' control systems has been carried out. Generations, models, objects and components of automated control systems have been studied. Recommendations on how to adaptate the systems for the enterprise have been given.
Key words: automated control system, database, request, report, object, resources, planning, sales, purchase, accounting, fixed assets, finance, quality management, models.



ANALIZING TRENDS IN THE DEVELOPMENT OF THE WIRELESS DATA TRANSMISSION SYSTEMS pełny artykuł (full article) - plik PDF

Valeriy Dyadichev, Andrey Kolesnikov

Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The research of wireless data transmission systems in the management office has been conducted. The methods of organization and interaction of various devices based on wireless technologies has been studied. Recommendations on the choice of wireless equipment for office tasks are given.
Key words: wireless technologies, LAN, access point, broadband access, video recorder, webcam, network traffic, scalability, data warehouse.



DEVELOPMENT OF HIGH RESOURCE PLASMA SPRAYING EQUIPMENT AND PROSPECTS OF ITS USAGE IN FOOD INDUSTRY - pełny artykuł (full article) - plik PDF

Volodymyr Gavrysh, Maryna Morneva
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The article contains the results of creating and testing the high resource electric-arc plasmotron, designed for spraying the protecting coating. It also deals with the prospects of its usage in food industry.
Key words: plasma spraying, electric-arc plasmotron, work resource, hollow cathode, particulates, food industry.



PHENOMENOLOGICAL ASPECTS OF PSYCHOLOGICAL DISPLAYS OF INDIVIDUAL SOCIAL-NORMATIVE BEHAVIOUR - pełny artykuł (full article) - plik PDF

Sergey Garkavet's
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. Factors, terms and psychological mechanisms of display of individual social-normativ behaviour of personality, are examined in the article. The scientific approaches to nature and genesis of person's behaviour are analysed in the social-normativ measuring. The phenomenological aspects of person's normexistance in socium and the attempt of building the hierarchical model of given social norms in person's public life are investigated.
Key words: norm, personality, social norm, social-normativ behaviuor.



WAYS OF MANAGEMENT OF LOWFREQUENCY VIBROTREATMENT - pełny artykuł (full article) - plik PDF

Anatoliy Gedrovich, Andrey Zhidkov

Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The problems of creating non-contact drive for working bodies of the machines was considered. The criteria of asymptotic stability of rotary movement of ring working bodies (RWB) and rectilinear movement of band working bodies assuming that there was no mechanical support were theoretically defined. The possibilities of applying research results for creating new efficient and secure machines with direct drive of the working body were pointed out.

Key words: rotary movement, non-contact drive, asymptotic stability.



PECULIARITIES AND REFERENCE POINTS OF MACHINE-BUILDING ENTERPRISE ACTIVITIES - pełny artykuł (full article) - plik PDF

Vera Gertsyk
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The state of Ukraine's machine-building complex with reference to the consequences of world economic crisis is considered. Recommendations for stabilization of machine-building enterprises activity are given.
Key words: machine-building, industry, export, import, enterprise, market.



RECOGNITION OF PATTERNS IN BIOLOGICAL SYSTEMS OF AUTHENTICATION OF PERSONALITY- pełny artykuł (full article) - plik PDF

Vladimir Glushchenko, Olesya Ignatyeva, Yuriy Glushchenko Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine Summary. There are considered conceptual subjects of construction of mathematical apparatus for recognition of patterns are examined in the biological systems of personality authentication.
Key words: pattern, mathematical apparatus, biometrical systems, identification, biometrical system, recognition



THE TWO-TIME GREEN'S FUNCTIONS IN THE METHOD OF BRIEF DESCRIPTION - pełny artykuł (full article) - plik PDF

Alexandr Golubenko, Gennadiy Nosko, Vadim Shcholokov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. On the basis of method N. Bogolyubov about brief description of the non-equilibrium states asymptotic of Green's function is investigated in the hydrodynamic approaching for the degenerated systems of Boze-particles with weak co-operation. Lowfrequency asymptotic of Green's normal functions in approaching of ideal and viscid liquid is calculated.
Key words: green's functions, lowrequency asymptotics, quantum kinetics.



EXPERIMENTAL STUDIES OF THE DYNAMICS OF LONG-LIVING LUMINOUS OBJECTS FORMED AT CONDITIONS SIMILAR TO THE ONES USUAL FOR OBSERVATION OF BALL LIGHTNING IN NATURE - pełny artykuł (full article) - plik PDF

Pyotr Golubnichy, Yuriy Krutov, Eugene Nikitin, Stepan Kamenev, Aleksandr Tsimbaluk, Alan Alborov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The paper presents the results of experimental study of the process of long-living luminous objects (LLO) formation within the decay products of water plasma, initiated by a powerful electric discharge within a jet or drop of distilled water. Such conditions are realized in atmosphere during thunderstorms, which, according to the statistics of observations, are the main cause of ball lightning. It's shown that LLO are formed in both the cases, although the formation of long-living luminous objects happens in a different way for each case.
Key words: electrical discharge, quatarons, metastable compounds, fireball.



STABILITY OF FORM AND CONCENTRATION OF ENERGY AT COMPRESSION OF GAS-VAPOR BUBBLES FORMED IN PULSED ACOUSTIC FIELDS - pełny artykuł (full article) - plik PDF

Pyotr Golubnichy, Denis Reshetnyak, Yuri Krutov, Eugenie Nikitin
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. We investigated the Rayleigh-Taylor stability of a single cavitation bubble in water, formed and pulsating in the field of a bipolar acoustic pulse of varying amplitude, duration and polarity. For the pulse parameters under which the shape of the bubble at the final stage of collapse is nearly spherical, we calculated the thermodynamic conditions in the bubble at the time of the first collapse.
Key words: cavitation, acoustic pulse, bubble, collapse, stability.



ABOUT PERFECTION OF SPATIAL GEARINGS - pełny artykuł (full article) - plik PDF

Victor Gribanov, Julia Medintseva, Denis Ratov, Tatiana Balitskaya
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. Synthesis of spatial gearings on the basis of the initial surfaces least deviating from hyperboloid axoids that is a perspective direction of essential increase in durability and improvement of performance qualities screw, worm, spiroid and hypoid gearing. Results of the researches showing the big perspectives of gearing Novikova, than involute gear are resulted.
Key words: platforms of instant contact, factor of score-resistance, factor of a comparative, hyperboloid gears.



THE DESIGN-THECHNOLOGICAL METHODS TO GUARANTEE THE RELIABILITY FOR THE ROLLING STOCK OF THE RAILWAY - pełny artykuł (full article) - plik PDF

Larysa Gubacheva
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The design-technological methods of increase of reliability of railroad underframe frictional dampers have been given. Technological ways of increase of strength and wear resistance were developed that allowed quantitatively to estimate a reserve of increase of strength and thermal wear resistance by methods of plastic deformation.
Key words: reliability, friction damper, rolling stock, railway.



DESIGNING OF METAL-BASE COMPOSITE VESSELS OF HIGH PRESSURE ON THE SET SERVICE LIFE - pełny artykuł (full article) - plik PDF

Vladimir Ivanovskiy

Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The dependences on determination of longevity of metallic layer in metal-base composite vessels of high pressure have been received in the process of experimental-theoretical research. The model of deforming of the balloon structure, allowing the designing of metal composite vessels of high pressure with the different degree of hybridization of composite layer of minimum mass and costs depending on the appointed service life have been presented in the paper.
Key words: vessel, metal-base plastic, service life, fatigue.



CONVECTIVE HEAT EXCHANGE IN OPTOPNEUMATIC CELL - pełny artykuł (full article) - plik PDF

Gennady Kaljuzhnyj, Alim Kovalenko, Ellen Lyshtvan
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The paper deals with the results of mathematic simulation of convective heat transfer in optopneumatic cell. It is shown that obtained results will allow to improve methods of computation of time characteristics of optopneumatic cells in automatic control systems.
Key words: convective heat exchange, optopneumatic cell, mathematical simulation



RESEARCH OF ANTHROPOMETRICAL PECULIARITIES OF POPULATION IN UKRAINE - pełny artykuł (full article) - plik PDF

Nikolay Kasyanov, Alexandra Andrianova, Victor Medyanik

Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. Results of research and anthropometrical peculiarities estimation of Ukrainian population (Lugansk region) for 2004-2009 are arisen and their essential differences in comparison with standard are shown.
Key words: labour safety, , workplace, anthropometrical peculiarities, standards.



MAIN DIRECTIONS OF NOISE LOAD REDUCTION OF PASSENGER ROLLING STOCK - pełny artykuł (full article) - plik PDF

Nikolay Kasyanov, Vyacheslav Malov, Nikolay Pitelguzov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The dependences, on the basis of which it is recommended to use special facings with application resonant sound absorber on the passenger rolling-stock, are received in clause. In this case standing waves are not generated and there is a significant reduction of noise, which penetrate into a motorman cabin and passenger compartment from various sources.
Keywords: noise, vibration, sound load reduction.



DEVELOPMENT OF SIMULATION METHODS FOR LABOUR PROTECTION STATUS INDICATORS - pełny artykuł (full article) - plik PDF

Nikolay Kasyanov, Oksana Gunchenko, Dmitriy Vishnevskiy
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The course of analysis showed reasonability of using the method of group accounting of arguments for simulation of labour protection status indicators at the enterprises.
Key words: indicators, labour protection, mathematical model, traumatism.



SYNTHESIS OF INSTRUMENTS FOR CYLINDRICAL GEAR WHEELS ROLLING - pełny artykuł (full article) - plik PDF

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

Summary. Instrument for spur and helical gears rolling has been proposed. Methods of its design have been presented. Major geometric and kinetic parameters of gear rolling process using developed instrument have been determined.
Key words: Hyperbola, syntheses, relative speed, knurling, teeth wheel, spur teeth, helical teeth, involute profile.



THE DESIGN OF A SYSTEM TO CONTROL THE STABILITY OF A FORKLIFT - pełny artykuł (full article) - plik PDF

Alex Kichkin, Elena Kichkina
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. This paper discusses how to design a system to establish the stability of a forklift working with different weights using fuzzy logic and modern information technologies.
Key words: forklifts, stability, stacking of the load, fuzzy logic, radio frequency identification (RFID).



ULTRASONIC INFLUENCE ON CONVECTION IN THE MELTS - pełny artykuł (full article) - plik PDF

Gennadiy Kozhemyakin, Anna Degtyareva
Department of Micro-and Nanoelectronics, Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The influence of ultrasonic waves on convective flows in the melts on the growth of GaAs, InSb, BixSb1-x, GaxIn1-xSb single crystals by Czochralski method has been studied. Non-dimensional numbers of Rayleigh, Prandtl, Schmidt and Reynolds were calculated for the crystal growth conditions with the introduction of ultrasound at frequencies from 0,15 MHz to 5 MHz into the melts. It was found, that stationary convection is the best condition for the decrease of doping striations in pulling single crystals at the presence of ultrasound on the melts. The diffusion layer thickness for the crystal growth conditions of these single crystals was calculated. The change of the diffusion layer thickness from 0,1 mm to 0,6 mm not influenced on ultrasound effect on the striations decrease.
Key words: ultrasound, striations, non-dimensional numbers, the Czochralski method.



ENTERPRISE ECONOMIC SECURITY MANAGEMENT CONCEPTION - pełny artykuł (full article) - plik PDF

Ganna Kozachenko, Oleksandra Lyashenko, Volodimir Bezbozhnyy
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The interpretations of the enterprise economic security concept are considered and grouped. The interpretation of enterprise economic security is offered. Enterprise economic security management concept is grounded, its quintessence is the interconsistency of the interests, the bearers of which are agents of its external and internal environment. Tab. 1, Pic. 2, Sour. 14.
Key words: socio-economic safety, large industrial enterprises, interests of enterprises, harmonization, security management, protection.



INVESTIGATION OF THE WEAR PRODUCTS OF HIGH- NITROGEN STEEL AFTER HYDROGENATION - pełny artykuł (full article) - plik PDF

Valerii Kolesnikov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine Krasnodon Department of Engineering and Management

Summary. Assumptions are made about the mechanisms of destruction of these alloys in terms of friction and degradation of the material under the action of hydrogen. The studies wear products of high nitrogen steels.
Key words: high nitrogen steels, hydrogen resistance, wear products



DEVELOPMENT OF PROCEDURE OF SEARCH OF RATIONAL VARIANT OF TECHNOLOGICAL TREATMENT OF INCOMING CAR TRAFFIC VOLUME - pełny artykuł (full article) - plik PDF

Gennadi Korop, Andrei Zaverkin, Oleg Shikun
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine faculty logistics, sub-faculty "Transport technologies".

Summary. In the article we presented a principle and mathematical model of searching of the rational variant during the operative planning of technological treatment of incoming car traffic volume on industrial enterprises of rail mode.
Key words: Transport, railroads and railroad engineering, technological treatment, car traffic volume, planning, informational system.



IMITATION ABSTRACT MODELS OF PRODUCTION SYSTEMS - pełny artykuł (full article) - plik PDF

Yuriy Korobetsky, Yana Sokolova, Valeriy Doroshko
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. A term Ťabstract simulation modelingť is offered and legitimacy of its use is grounded. The example of abstract simulation modeling is resulted.
Key words: simulation model, abstraction, abstract simulation modeling, flexible manufacturing system.



DETERMINATION OF CHARACTERISTICS OF CIRCULAR DISTRIBUTOR VALVE PISTON PULP PUMP - pełny artykuł (full article) - plik PDF

Yuriy Kossenko-Belinskiy
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. Prospective constractions for piston pumps are suggested and installation of distributive joint valve as well. Number of examples of parameters and characteristics experimentally have got, approximation dependences have found for their use in math modeling of the working process. It gives the possibility to lead research and completing on the stage of projecting on the way of numeral experiment on personal computer.
Key words: piston pulp pump, data of circular valve.



THE MECHANISM OF THE STABLE DEVELOPMENT FINANCIAL STRATEGY OF AN ENTERPRISE: METHODOLOGY AND ORGANIZATION - pełny artykuł (full article) - plik PDF

Lidiya Kostyrko
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The paper reveals the factors which influence the potential of the financial solvency; starting positions and components of the mechanism of financial strategy, the approach to the mechanism of financial strategy of a stable development of an enterprise and the mechanism of it realization. Fig. 1, tab. 1, source 10.
Key words: financial strategy; mechanism; enterprise; diagnostics; choice of financial strategy; potential of the financial solvency.



DEVELOPMENT OF SUPERCHARGING SYSTEMS OF INTERNAL COMBUSTION ENGINES WITH THE CASCADE PRESSURE EXCHANGER - pełny artykuł (full article) - plik PDF

Alexander Krajniuk
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. New principles of working processes organization of the supercharging diesels systems with cascade pressure exchangers are disclosed, the possibility of the significant expansion of the area of efficient air supply and deep cooling of supercharging air by using units of cascade exchange by pressure are shown. The results of the studies of the different supercharging systems with cascade pressure exchangers in composition of the diesels GAZ-560 and K164 are presented.
Key words: cascade pressure exchanger, supercharging system, air supply, deep cooling, the thermal multiplier



SCIENTIFIC PRINCIPLES OF COOLER UNIT CALCULATIONS IN A CAR ENGINE WITH PRESSURE AERODYNAMIC DESIGN - pełny artykuł (full article) - plik PDF

Yuriy Kulikov, Yuriy Tomachinsky, Andrey Goncharov, Anton Verkhovodov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. The methods and algorithm of energy calculation in a cooler unit of the car engine with pressure aerodynamic design have been investigated; it allows to choose efficient construction parameters and operation modes of the Radiator-Fan system. Fig.2, ref.4.
Key words: methods, algorithm, cooling unit, pressure aerodynamic design, energy calculation.



HYBRID INTELLIGENT SYSTEM FOR ANALYSIS OF PROJECT DOCUMENT - pełny artykuł (full article) - plik PDF

Oleksandr Kushnarov, Ganna Lytvynchenko
Faculty of Computer Sciences, Department of System Engineering; Faculty of Innovative Economy and Management, Department of Project Management and Applied Statistics Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary.The structure of hybrid intelligent system of data extraction from a project document and analysis of project management system risks on the basis of genetic analysis of project document scope by means of forming of project product genetic code is presented.
Key words: hybrid intelligent system, project product, genetic analysis, project document.



COSMIC RAYS MUON FLUX AT THE SEA LEVEL BY HIGHEST SOLAR ACTIVITY - pełny artykuł (full article) - plik PDF

Vasiliy Kudlenko, Dmitriy Devyatkin, Yuriy Devyatkin
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary The results of the analysis of data on registration of vertical cosmic rays muon flux in equatorial part of the Indian ocean are presented. They testify to the presence of precursors of saltatory variations of muon flux and influencing of solar cosmic rays on the value of this flux. Fig.4, Ref. 8.
Key words: cosmic rays, muon flux



TRADE UNION LEGAL STATUS IN UKRAINE AND POLAND: COMPARATIVE-LEGAL ASPECT - pełny artykuł (full article) - plik PDF

Lidiya Lazor, Irene Shamshina
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary. Comparative-legal analysis of trade union status on the Ukrainian and Polish legislature in comparison with International standards has been made; proposals on Poland legal experience usage in the sphere of trade union activity regulation by the Ukrainian legislation have been grounded.
Key words: trade union, legal status, legalization, deregistration, legal subjectivity, trade union responsibility.



TASKS AND METHODS OF THE STATIC OPTIMUM ENCODING OF SERVICE REQUEST RELATIVE PRIORITIES IN THE INFORMATION PROTECTION SYSTEM OF LOCAL AREA NETWORK - pełny artykuł (full article) - plik PDF

Valeriy Lahno, Alekxander Petrov
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary.The alternative methods of the optimum encoding of relative priorities of requests and methods of their change on schedule to provide the functioning of the information protection system in a local area network in real time are examined. Tasks, criteria of optimality and methods of synthesis of static codes unalterable in time or in the process of system functioning come into a question.
Key words: information protection system, local area network, alternative methods of the optimum encoding of relative priorities of requests.



ANALYSIS OF BASIC TENDENCIES IN THE PROCESS OF DONETSK RAILWAY MARSHALLING YARDS WORK - pełny artykuł (full article) - plik PDF

Ekaterina Lysak, Maya Zhdanova
Volodymyr Dal East-Ukrainian National University, Lugansk, Ukraine

Summary.The analysis of basic tendencies in-process of leading Donetsk railway marshalling yards work is given. It is shown that during crisis period there is falling of basic quantitative and high-quality indexes of their work. The complex of organizational and technological measures which can be realized by rail on the effective use of potential of marshalling yards is presented.
Key Words: Transport complex, marshalling yards, turnover of goods, turn of carriage, carrying capacity, technological line. rities of requests.