Dnipro University of Technology — Compliance with the Time
Table of Contents.
DEVELOPMENT OF JET MILLING
Inna Serebryanik1, Daria Zolotuhina 2 1 сandidate of technical sciences, Associate Professor of the Department of World economy, State Higher Educational Institution «Irkutsk State Technical University», e-mail: nasamolet@yandex.ru 2 student, Institute of economy, management and law, State Higher Educational Institution «Irkutsk State Technical University», e-mail: dashusik_29@mail.ru
Abstract. Conducted theoretical research of peculiarities of jet grinding. Given its basic characteristics, features. Analyzed the history of improvement of this type of grinding.
Keywords: jet grind, jet mill, grinding. DEFINING THE FIELD OF APPLICATION OF MAGNETIC BLOCKS RAIL SYSTEMS MINE LOCOMOTIVE
Alex Novitskiy1 1Ph.D., Associate Professor, Department of Transport Management, State Higher Educational Institution "National Mining University", Dnepropetrovsk, Ukraine, e-mail: novitsk_a@mail.ru
Abstract. The paper presents the results of theoretical studies of the effectiveness of magnetic rail systems with magnetic blocks of different layout when working in mines with geometric imperfections of the track.
Keywords: mine locomotive utilization force of magnetic attraction, irregularities of the track.
UPDATE OF BUCKET WORKING EQUIPMENT FOR FRONTLIFT
Maxim Balaka1, Vitaly Slobodchikov2, Marina Pedoryaka3 1Assistant of Building Machinery Department, Kyiv National University of Construction
2Chief of Mechanization and Information Technology Day Department, Lecturer,
3Student of group PNM-21, Kyiv National University of Construction and Architecture,
Abstract. The bucket dropside of building materials for frontlift is developed, that allows to work with high performance. The main parameters of the working equipment and it control system are calculated.
Keywords: frontlift, change working equipment, bucket dropside, update. SUBSTANTIATION PARAMETERS AND DEVELOPMENT SYSTEM OF CONTROL THE MANIPULATOR FOR CARGO OPERATIONS
V.S. Loveykin1, D.A. Mischuk2 1Doctor of technical Sciences, Head of the Chair construction machinery, National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine 2Ph.D., assistant professor of construction machinery, Kyiv National University Construction and Architecture, Kyiv, Ukraine, e-mail: tdmid@ukr.net
Abstract. In this works analyzes of program mode changing speed jib manipulator with hydraulic system and recommendations for their implementation for efficient cargo operations.
Keywords: manipulator with hydraulic drive, software control, optimum conditions. STUDY OF THE MECHANISM OF DESTRUCTION OF MATERIAL CRANKSHAFTS OF THE FORCED DIESELS
N.L.Marin1, D.E.Marin2 1Candidate of Technical Sciences, assistant professor, Balakovski Institute of Technology, Technology and Management (Branch), Saratov State Technical University, Balakovo, Russia, E-mail: rdan64@mail.ru 1student, Balakovski Institute of Technology, Technology and Management (Branch), Saratov State Technical University, Balakovo, Russia
Abstract. At action of sign-variable tension in a material of a cranked shaft there is the fatigue crack which is gradually getting deep into of a product. At variable deformations of edge of a fatigue crack approach, forming the ground-in, smooth zone of a break. In process of crack development the working area of section is weakened. That conducts to destruction of an element of a cranked shaft at operation. Increase of a stock of fatigue durability speaks two main reasons: beneficial effect of compressing initial technological residual tension and improvement of mechanical properties of a blanket as a result of superficial plastic deformation.
Keywords: initial technological residual tension, concentration of tension, plastic deformation, fatigue break, blanket hardening. UNIVERSAL OPERATING ELEMENT JAW-TYPE FOR POWER SHOVEL
Mykhaylo Dykteruk1, Maxim Balaka2, Oleksandr Marchenko3 1Candidate of Technical Science, Associate Professor of Technological Processes Automation
2,3Assistant of Building Machinery Department, Kyiv National University of Construction
Abstract. The universal operating element jaw-type that combines hydrohammer and clamshell equipment for power shovel is developed. The application of this operating element allows to expand the effective use of shovels in the various ground and process conditions by reducing the energy intensity of the development process a working environment.
Keywords: power shovel, operating element jaw-type, hydrohammer, clamshell bucket, parallelogram suspension, process conditions. DYNAMIC MODEL OF THE CRANK MECHANISM OF THE INTERNAL COMBUSTION ENGINE
Anna Nikitina Ph.D., lecturer of electrical engineering disciplines, Industrial college of State Higher Educational Institution “National University of Krivoy Rog”, Krivoy Rog, Ukraine, e-mail: ann.nikitina@mail.ru
Abstract. Dynamic model of the crank mechanism of the internal combustion engine as a system with three degrees of freedom is developed. The equations that take into account the movement of the piston along the axis of the cylinder during rotation of the crank, piston motion in the plane perpendicular to the plane of the cylinder and rotation of the piston about the axis of the piston pin are pursued.
Keywords: crank mechanism, the gap, La Grange’s equations of the second kind, the gas pressure forces. AUTOMATED TEST ANALYSIS OF MAIN TECHNOLOGICAL MODES OF STEPLESS TRANSMISSIONS
I. Taran1, I. Klymenko2 1 Doctor of technical Sciences, Associate Professor of Department of Transportation Management, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: taran_70@mail.ru 2 Assistant of Department of Transportation Management, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: iryna_klymenko@mail.ru
Abstract. The methodology for integrated evaluation, comparison of alternatives and the general ideology of automated construction of stepless transmissions are offered. The automated test analysis of the main technological modes of stepless hydrovolumetric mechanical or electromechanical transmissions is reviewed.
Keywords: stepless transmission, hydrovolumetric mechanical transmission, electromechanical transmission, diesel locomotive, engine. TEXTURE, FAILURE, AND THE FRACTAL DIMENSION OF THE KINK STEEL OF PIPELINE
Valentin Usov1, Tatiyana Cherneva2, Dmitry Bargan3 1Doctor of physical and mathematical Sciences, Professor, Head of Department of technical disciplines and technology education, State Higher Educational Institution “South Ukrainian National Pedagogical University named after K.D. Ushinsky”, Odessa, Ukraine, e-mail: 2postgraduate student of the Department of Physics, State Higher Educational Institution “South Ukrainian National Pedagogical University named after K.D. Ushinsky”, Odessa, Ukraine, e-mail: chernevps@rambler.ru 3 postgraduate student of the Department of Physics, State Higher Educational Institution “South Ukrainian National Pedagogical University named after K.D. Ushinsky”, Odessa, Ukraine, e-mail: bargan_90@mail.ru
Abstract. A study of texture were carried out and were found the fractal features of failure when tested in low-cycle fatigue of specific welded joints (base metal, heat affected zone and the welded seam) steel pipe after its long-term operation.
Keywords: texture, steel, pipeline, welded joint, failure, fractal dimension. DEFORMATION TEXTURE OF MAGNESIUM ALLOY
Nataliya Shkatulyak1, Alexandra Sokolenko2, Svetlana San’kova3 1candidate of physical and mathematical sciences, private professor of Physics Department, State Higher Educational Institution “South Ukrainian National Pedagogical University named after K.D. Ushinsky”, Odessa, Ukraine, e-mail: shkatulyak@mail.ru 1candidate of physical and mathematical sciences, professor of Physics Department, State Higher Educational Institution “South Ukrainian National Pedagogical University named after K.D. Ushinsky”, Odessa, Ukraine 2graduate student of the Department of Physics, State Higher Educational Institution “South Ukrainian National Pedagogical University named after K.D. Ushinsky”, Odessa, Ukraine email: sanbkova@gmail.com
Abstract. In this paper carried out a study of crystallographic texture, which is formed by various technologies produce sheets of magnesium alloys with zinc, zirconium and rare earth metals, as well as in the binary alloy of magnesium-lithium with a hexagonal structure.
Keywords: magnesium alloys ZE10, Mg-Li5, compression molding, extrusion, rolling, annealing, crystallographic texture. ANISOTROPY OF THE COERCIVE FORCE IN SINGLE CRYSTALS AND TEXTURED SHEETS OF IRON ALLOY
Nataliya Shkatulyak1, Valentin Usov 2, Elena Dragomeretskaya3 1candidate of physical and mathematical sciences, private professor of Physics Department, State Higher Educational Institution “South Ukrainian National Pedagogical University named after K.D. Ushinsky”, Odessa, Ukraine, e-mail: shkatulyak@mail.ru 2Doctor of physical and mathematical Sciences, Professor, Head of Department of technical disciplines and technology education, State Higher Educational Institution “South Ukrainian National Pedagogical University named after K.D. Ushinsky”, Odessa, Ukraine, e-mail: valentin_usov50@mail.ru, 3graduate student of the Department of Physics, State Higher Educational Institution “South Ukrainian National Pedagogical University named after K.D. Ushinsky”, Odessa, Ukraine e-mail: dragomeretskaya@bk.ru
Abstract. In this paper we investigate by means non destructive method the regularities of anisotropy of coercive force both single crystals with the orientation of surfaces parallel (001) so and the polycrystalline sheets of alloy Fe - 3% Si with different texture. The mechanisms of anisotropy of coercive force are discussed.
Keywords: coercive force, anisotropy, texture, single crystal, semi finished sheet, alloy Fe - 3% Si. ANALYSIS OF DUMP TRUCK BODY FETTLING ELEMENTS
Kostyantyn Bas1, Mykola Zubariev2 1Ph.D., Associate Professor, the head of the Department of Automobiles and Automobile Economy, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: BassKM@yandex.ru 2Post Graduate Student of the Department of Automobiles and Automobile Economy, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine
Abstract. Dump truck body fettling elements are analyzed. The advantages and disadvantages of different types of the body fettling are shown.
Keywords: dump truck, body, fettling element. DETERMINATION OF THE STRESS CONCENTRATION COEFFICIENT WITH USING CONFORMAL MAPPING
Y. Savchenko1, I. Verner2, R. Chernykh3 1Senior Lecturer, Department of Mining Engineering, State Higher Educational Institution "National Mining University”, Dnepropetrovsk, Ukraine, e-mail: savcheny@ua.fm 2Head of informational technology design laboratory, Machinery Design Bases Department, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: ill3@mail.ru 3Student, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine
Abstract. Developed a mathematical model, which allows optimizing in terms of defect parameters loading of processed materials, the destruction is considered as a method of creating defects on the submicroscopic level in heterogeneous environments.
Keywords: mathematical model, heterogeneous medium, defect formation. DEVELOPMENT OF TECHNOLOGY FOR MANUFACTURE CALIBER MILL COLD-ROLLING OF TUBES IN THE POWER MILL
Vitaliy Derbaba1, Alexandr Voichishen2, Sergey Pasera3 1Ph.D., assistant of Mining Engineering Department, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: DerbabaV@nmu.org.ua 2Post graduate, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: saprtm@i.ua 3Ph.D., Associate Professor of Mining Engineering Department State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e‐mail: witiw@rambler.ru
Abstract. The article proves the rational choice of material billet gauge, selection of tool material, tooling and cutting tools. Compiled optimal technological process of machining complex profile gauge with the use of advanced software Power Mill.
Keywords: instrumental material, gauge, control program, the technological process. IMPLEMENTING OF GRAPHIC MODELING ALGORITHM OF COLD-ROLLING MILL USING DELCAM SOFTWARE
Vitaliy Derbaba1, Victoria Duzhak2 1Ph.D., assistant of Mining Engineering Department, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: DerbabaV@nmu.org.ua 2Student, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: girl_mechanic@mail.ru
Abstract. In the article structural and geometrical features of main assembly units of cold-rolling mill and gauges for particularly high-precision light-wall tubes rolling are observed. In work theoretical and practical researches of computer modeling features of cold-rolling mill gauges complex opening are realized.
Keywords: modeling, cold-rolling mill, algorithm, gauge, cage, solid model.
REGRESSION MODEL FOR FUEL EFFICIENCY ESTIMATE
Gennady Arzhaev1, Andrew Vasilenko2, Maxim Balaka3 1Lecturer of Highest Category, Lecturer-methodologist of Special Disciplines “Mechanical Engineering and Materials Processing”, Mykolaiv Building College of Kyiv National University of Construction and Architecture, Mykolaiv, Ukraine 2Candidate of Technical Science, Associate Professor of Technological Processes and Production Automation Department, Voronezh State University of Architecture and Civil Engineering, Voronezh, Russia, e-mail: madf_vgasu@mail.ru 3Assistant of Building Machinery Department, Kyiv National University of Construction and Architecture, Kyiv, Ukraine, e-mail: maxim.balaka@gmail.com
Abstract. The multifactor regression model is developed. It establishes interrelation between the value of the minimal specific fuel consumption wheel propeller in traction mode and the main parameters of large-size tyres in rectilinear motion.
Keywords: large-size pneumatic tyre, wheel propeller, minimal specific fuel consumption, regression model, matrix, Fisher's test. THE STRUCTURE OF THE AIR TRAFFIC ACTUAL DEMAND DATABASE
Kristina Marintseva 1 1Ph.D. in Economics, associate professor of Air Transportation Management Department, National Aviation University, Kyiv, Ukraine, e-mail: kristin22@ua.fm
Abstract. The problem of forming an air traffic database is analyzed. Key sources of information, their advantages and disadvantages are identified. The proposed database structure, which is based on the obligatory automated process of data exchange in real time, will help to improve the quality, actualization and specification of the relevant forecasts.
Keywords: air traffic demand, database, information sources. INTEGRATED ASSESSMENT METHODOLOGIES AS A TRANSPORT PASSENGER SERVICE TO THE CITY'S BUS ROUTES IN THE MIDDLE AND CITIES
Vadim Lytvyn1 1a senior teacher Department of Transport Management, State Higher Educational Institution "National Mining University", Dnepropetrovsk, Ukraine, e-mail: piligrimm_2007@mail.ru
Abstract. The paper presents an analysis of existing methods for assessing the quality of transport services of passengers on city bus routes and designed the structure of the complex index of quality, which takes into account the comfort of the trip, the trip per passenger transport enterprise and profit.
Keywords: communication speed, regularity, cost of transportation, the capacity of the bus, filling ratio. CHOICE OF ELECTROCHEMICAL SYSTEM FOR TRACTIONAL DRIVE OF ELECTRIC VEHICLE
Kucheryavaya M.A.1 1 assistant of Department of Transportation Management, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: mariyakucheryava@mail.ru
Abstract. The operational characteristics of electrochemical energy sources were considered. The power of energy source was determined by dynamic characteristics
Key words: energy source, power, electrochemical system, drive, electric vehicle. PROSPECTS OF APPLICATION OF INNOVATIVE AUXILIARY SYSTEMS FOR INCREASING SAFETY OF ROAD USERS
Olga Khodos 1, I. Sodol 2 1assistant of Department of Automobiles and Automobile Economy, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: auto.nmu@gmail.com 2 student, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine
Abstract. Areas of application of elements of the innovative auxiliary systems for increasing safety of road users are considered.
Keywords: innovative auxiliary systems, road safety. FEASIBILITY STUDY FOR INCREASING LONGITUDINAL SLOPES ROAD ON THE EXAMPLE OF CAREER PJSC "POLTAVA MINING"
KM Bass1, V.V.Krivda2 1 Ph.D., head of the department automobile and automobiles economy, State Higher Educational Institution "National Mining University", Dnepropetrovsk, Ukraine, e-mail: BassKM@yandex.ru 2 Postgraduate of the Department automobiles and automobile economy of the State Higher Educational Institution "National Mining University", Dnepropetrovsk, Ukraine, e-mail: vitaliy.krivda@yandex.ru
Abstract. In this paper we conducted economic study of influence of application of improved designs of dump trucks in the pit. as well as the justification for the transition to higher longitudinal gradient of roads to reduce the amount of necessary technological stripping operations.
Keywords: mining dump truck, the longitudinal slope of the road
NEURAL NETWORK CONTROL ALGORITHM ARTIFICIAL LIGHT
Ivanova Viliya Ravilevna1 1candidate of technical Sciences, Ph.D., senior teacher of the Department "Lighting and biomedical electronics", FSEI HPE "Kazan state power university", Kazan Abstract. The paper proposes the development of an innovative lighting controls that will function according to the neural network algorithm. The work of such system will be carried out by the built - in each lamp matrix sensor, microcontroller and wireless communication module. The main task of this system is to create favorable light environment for vision and energy efficiency. Keywords: neural network algorithm; intelligent lighting; energy saving; control system; matrix sensor; lighting; wireless interface. GROUND OF POSSIBILITY OF MAINTENANCE SET TEMPERATURE OF UNDERWATERS BY INCINERATION OF COAL BEDS
Ivan Sadovenko1, Alexander Inkin2 1Doctor of technical Sciences, Professor of Department geohydrology and engineering geology, State Higher Educational Institution "National Mining University", Dnipropetrovs’k, Ukraine 2 Candidate of technical Sciences, Doctoral of Department geohydrology and engineering geology, State Higher Educational Institution "National Mining University", Dnipropetrovs’k, Ukraine, e-mail: inkin@ua.fm
Abstract. A mathematical model of heat transport in groundwater which saturate the overlying rocks of the coal seam by burning it. For the geological site conditions "Olhova lower" Donets Basin using simulation ModFlow 2009 estimates of changes in the size and shape of thermal anomaly formed in permeable rocks above the roof of the coal seam, depending on the angle of his fall, and the stage of combustion. The regularities of changes in temperature of the groundwater seepage and geotechnological parameters.
Keywords: underground incineration of coal, thermal waters, thermal energy. RESEARCH OF PHYSICAL AND MECHANICAL PROPERTIES FOFSYSTEM Ti-FE-C MODE SHS PROCESSES
Lyudmila Samchuk1 1Ph.D., lecturer of department of design of machine tools and viewed technology engineering, Lutsk National Technical University, Lutsk, Ukraine, e-mail: Samchuk04@yandex.ua
Abstract. The mechanism of sintered of powders of titan, carbon and steel of BBS15 is considered. Considered basic conformities to law, there is a SHS- process at that. It is shown that the characteristic feature of SHS- process is a presence of two products of reaction - refractory connection and oxide of metal-repairer. The structure of such material depends on many factors of solubility, relation of specific gravity, size of reactionary mass, pressure of gas.
Keywords: sintering, porosity, SHS, structure. ENVIRONMENTAL AND ECONOMIC EFFECT OF APPLICATION ELECTRICAL CYCLONE FOR CLEANING DUST EMISSIONS SINTER PRODUCTION
D.V. Rudakov1, A.D.Lyahovko2 1Doctor of technical sciences, Head of Department of hydrogeology and engineering geology, State higher educational institution "National Mining University", Dnipropetrovs’k, Ukraine, e-mail: dmi3rud@mail.ru 2Applicant, State higher educational institution "National Mining University", Dnipropetrovs’k, Ukraine, skybrash2008@yandex.ru
Abstract. The scheme of modernization of the existing dust collecting equipment is proposed on the example of sinter plant PJSC Dneprodzerzhinsk metallurgical plant (DMKD). The paper studies technical and economic indicators of the apparatus Electrical cyclone in comparison with the battery cyclone BC 254 6×90 as applied dust cleaners.
Keywords: Electrical cyclone, ecological and economic effect, Electrical cyclone, precipitator. INCREASE THE MEASUREMENT ACCURACY OF FLOW RATE AND QUANTITIES OF NATURAL GAS
Olesya Drachuk 1, Ivan Korobko2 2graduate student of Department of Instrumentation, National technical university of Ukraine “Kyiv Polytechnic Institute”, Kyiv, Ukraine, e-mail: lesyaartemenko@gmail.com 1Doctor of technical Sciences, Professor of Department of Instrumentation, National technical university of Ukraine “Kyiv Polytechnic Institute”, Kyiv, Ukraine, e-mail: i.korobko@koi.ua
Abstract. This paper is about theoretical research of the flow measurement of natural gas, which based on the differential pressure method using a narrowing device in the form of a venturi tube.
Keywords: energy saving, flow measurement, accounting of natural gas.
REALIZATION OF FREQUENCY CONTROLLING OF ELECTRIC MOTOR OF LOAD LIFTING MECHANISM
Vyacheslav Loveikin1, Vasiliy Goldun2 1Doctor of technical Sciences, Head of Department of Machinery Design, National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine 2Seeker of PhD of Department of Machinery Design, National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine
Abstract. A system of lifting mechanism controling was described, which is based on frequency controling of electric drive of the mechanism. The electrical scheme and algorithm of developed software to control the invertor were showed. The description of the software using was showed.
Keywords: invertor, electrical drive, load-lifting mechanism, software. DESIGN OF MATHEMATICAL MODEL OF ORE MATERIAL MILLING AND CLASSIFICATION
Serhii Lipanchikov1 1postgraduate student of Informatics, Automatics and Control Systems Department, State Higher Educational Institution “Kryviy Rih National University”, Kryviy Rih, Ukraine, e-mail:
Abstract. The approach to design of mathematical model of milling and classification technological process consisted of mill and classifier is described and analyzed in the article with taking into account the corresponding delays and the part of material that is additionally milled.
Keywords: integrator, delay, repeated crushing, productivity of mill functioning. INFLUENCE UNMONITORED SETTINGS OF IRON AND SCRAP ON PROCESS OF BOF MELTING
V. Bogushevskiy1, A. Skachok2, V. Sukhenko3 1Doctor of technical Sciences, Professor of Department of Physicochemical Foundations of Metallurgical Processes, National Technical University of Ukraine - "Kyiv Polytechnic Institute", Kyiv, Ukraine, е-mail: bogysh@gmail.com 2 graduate student of Department of Physicochemical Foundations of Metallurgical Processes, National Technical University of Ukraine - "Kyiv Polytechnic Institute", Kyiv, Ukraine 3Candidate of Technical Sciences, senior Lecturer of Department of Physicochemical Foundations of Metallurgical Processes, National Technical University of Ukraine - "Kyiv Polytechnic Institute", Kyiv, Ukraine, е-mail:
Abstract. In this paper we investigate and develop methods to improve the accuracy of the information about the initial parameters of the metallic part of the charge to improve the performance management in BOF melting.
Keywords: BOF, iron, scrap, correction, control, viscosity, mixing slag, dross. PREDICTION OF THERMAL STATE OF BILLET IN THE ANNULAR HEATING FURNACE
S.V. Beytsun1, N.V. Mikhaylovskiy2, S.I. Dyomin3 1 Ph.D., assistant professor of automation of production processes, National Metallurgical Academy of Ukraine, Dnepropetrovsk, Ukraine, e-mail: beitsoun@ua.fm 2 Ph.D., assistant professor of automation of production processes, National Metallurgical Academy of Ukraine, Dnepropetrovsk, Ukraine, e-mail: mnv-60@yandex.ua 3 student, National Metallurgical Academy of Ukraine, Dnepropetrovsk, Ukraine,
Abstract. In this paper established predictor ELCUT-model of the thermal state of the workpiece during its heating in a methodical, welding and soaking zones of the ring rolling furnace shop.
Keywords: ring furnace, the temperature of the workpiece, finite element method. ON THE APPLICABILITY OF VARIOUS METHODS OF CONTROL THE CARBON CONTENT IN THE BOF V. Bogushevskiy1, K. Yegorov2, V. Sukhenko3 1Doctor of technical Sciences, Professor of Department of Physicochemical Foundations of Metallurgical Processes, National Technical University of Ukraine - "Kyiv Polytechnic Institute", Kyiv, Ukraine, е-mail: bogysh@gmail.com 2 graduate student of Department of Physicochemical Foundations of Metallurgical Processes, National Technical University of Ukraine - "Kyiv Polytechnic Institute", Kyiv, Ukraine 3Candidate of Technical Sciences, senior Lecturer of Department of Physicochemical Foundations of Metallurgical Processes, National Technical University of Ukraine - "Kyiv Polytechnic Institute", Kyiv, Ukraine, е-mail:
Abstract. The article examines the advantages and disadvantages of the proposed indirect control methods decarburization process baths of BOF in terms of increasing the accuracy of the control of this process.
Keywords: BOF, decarbonization, control, waste gases. THE DYNAMIC CALCULATION PARAMETERS OF BOF S. Zhuk1 Candidate of Science, assistant Department of Physical and Chemical Fundamentals of Metals Technology, National Technical University of Ukraine “Kyiv Polytechnic Institute”, Kyiv, Ukraine, e-mail: juk_2006@ukr.net
Abstract. This paper presents the results of the development of dynamic control algorithm 160-ton converter.
Keywords: algorithm, converter, model, control.
AUTOMATED CONTROL OF SYSTEM CONVERTER PROCESS
Ph.D., assistant of the department of physical and chemical principles of Metal Technology, National Technical University of Ukraine "Kyiv Polytechnic Institute", Kiev, Ukraine, e-mail: eka_sergeeva@ukr.net Abstract. Shows the implementation of the principle of control of converter smelting process a positive experience. The system implements the static, dynamic, and a closed mode with respect to blending, purging, correcting melting and deoxidation. The structure of the automated control system converter process, including models and computer aids.
Keywords: converter, management, model, system. SEMIMARKOV MODEL FOR DETERMINATION OF OPTIMUM FREQUENCY OF MAINTENANCE OF ELECTROMECHANICAL SYSTEMS
Vladimir Kazhan1, Anatolyi Kozakov2, Bogdan Medyanik3 1Ph.D. in engineering sciences, associate professor department of electrical engineering and electromechanic, National metallurgical academy of Ukraine, Dnepropetrovsk, Ukraine 2Undergraduate of AP-01-10M group department of electrical engineering and electromechanic, National metallurgical academy of Ukraine, Dnepropetrovsk, Ukraine 3Undergraduate of AP-01-10M group department of electrical engineering and electromechanic, National metallurgical academy of Ukraine, Dnepropetrovsk, Ukraine, e-mail: karyakamariya@gmail.com
Abstract. In the work it is stated methods to select optimal periodicity of electromechanical systems (EMS) apparatus technical servicing (TS). It is proposed a semimarkovsk model of EMS exploitation process, based on which was obtained analytical correlations to calculate optimal periodicity of servicing with varying in time parameters of refusal flux.
Keywords: electromechanical system, semimarkov model, frequency of maintenance, probability, reliability, availability quotient, distribution function, refusal. SOFTWARE AND HARDWARE COMPLEX COMPUTERIZED CONTROL SYSTEMS FOR ENVIRONMENTAL MONITORING Kateryna Molodetska1, Vasyl Lyutko2 1Philosophy Doctor, assistant professor of computer technologies and systems modeling at Zhytomyr National Agroecological University, Zhytomyr, Ukraine, e-mail: kmolodetska@gmail.com 2student, Zhytomyr Military Institute of the State University of telecomunications, Zhytomyr, Ukraine, e-mail: wgmccc@gmail.com
Abstract. The model of program-technical complex computers, command and control system of environmental monitoring automation study parameters, improve the reliability of data, eliminating a person from danger zones and emergency prevention is proposing. Structural scheme in principle and system selected software and hardware to implement software and hardware complex. The simulation system monitoring tools integrated environment Proteus. Implemented prototype software program-technical complex computerized system that provides visualization management processes. The developed prototype system of ecological monitoring of the environment is different from existing technology cross platform architecture to mobile devices of different types of touch screen.
Keywords: robotic system monitoring, the concentration of harmful substances, microprocessor-based device software.
METHODS OF EXPERIMENTAL DATA PRETREATMENT
Vyacheslav Loveikin1, Yuriy Romasevich2 1Doctor of technical Sciences, Head of Department of Machinery Design, National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine 2Candidate of technical Sciences, Doctoral candidate of Department of Machinery Design, National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine, e-mail: d.um@mail.ru
Abstract. The algorithms for experimental data preprocessing presented in the form of a multidimensional array are stated in the article. The designed algorithms allowed automatically to determine the start and end points of studied process, to perform calibration of zero, to smooth the data and to form two-dimensional arrays „time - measured value”.
Keywords: experimental data, array, processing, cycle. KULLBACK–LEIBLER DIVERGENCE RESEARCH FOR THE MODELING TASKS IN THE CREDIT SCORING
Oleksandr Soloshenko1 1postgraduate student, National Technical University of Ukraine “Kyiv Polytechnic Institute”, Kyiv, Ukraine, e-mail: soloshenko_s@ukr.net
Abstract. The theoretical research has been conducted to find the relationship between classic Kullback–Leibler divergence and generally accepted statistical indicators which reflect at least two practical application fields in the binary classification tasks, particularly in the credit scoring tasks. The peculiarities of the including the Kullback–Leibler divergence into the key statistical indicators estimation process are given.
Keywords: Kullback–Leibler divergence, Radon-Nikodym derivative, entropy, credit scoring, scorecard, information value, population stability index. STUDY OF HETZIAN STRESS CONTACT THEORY AND FEA STRESS-STRAIN STATE CONVERGENCE
K.A. Ziborov1, D.A. Kohonova2, S.A. Fedoriachenko3 1associated professor, M.SC., professorб Head of the Department of Machinery Design Fundamentals, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: ziborov@nmu.org.ua. 2junior research assistant, Department of Mining Engineering, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: kohanova.d.a.@gmail.com 3assistant researcher, post graduate of the Department of Machinery Design Fundamentals, manager of the Department of International Affairs, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: serg.fedoryachenko@gmail.com
Abstract. Theoretical study of a convergence of a deformable body stress state, which is obtained by different approaches, provided in the paper. The following methods are used: Hertzian stress contact theory and finite element analysis. As a result of the research, high convergence of both calculation approaches is reached.
Key words: convergence, finite element analysis, Hertzian stress contact theory, deformable body. DESIGN OF DISTRIBUTING ENERGY IN VOLUME OF WORKING SPACE OF FERROALLOYS FURNACE
Vadim Neshurin1, Viktor Kuvaev2, Maria Karyaka3 1 Candidate of engineering sciences, associate professor department of electrical engineering and electromechanic, National Metallurgical Academy of Ukraine, Dnepropetrovsk, Ukraine 2 Senior lecturer department of electrical engineering and electromechanic, National Metallurgical Academy of Ukraine, Dnepropetrovsk, Ukraine 3 Assistant department of electrical engineering and electromechanic, National Metallurgical Academy of Ukraine, Dnepropetrovsk, Ukraine, e-mail: karyakamariya@gmail.com
Abstract. Conducted theoretical research of distributing energy in working space of ferroalloys furnace, that provides improvement of elaboration and reconstruction of furnaces.
Keywords: ferroalloys furnace, mathematical model, method of the second brooks, distributing energy. FORMALIZATION OF THE SECURITY PROPERTIES OF CRYPTOGRAPHIC PROTOCOLS USING LINEAR TEMPORAL LOGIC
Vadym Borkhalenko Postgraduate of Economics, Federal State Budget Educational Institution National Research University “Moscow Power Engineering Institute”, Moscow, Russia,
Abstract. Conducted theoretical research of applying instruments of linear temporal logic to formalize the security properties of cryptographic protocols and developing the Buchi automata based on LTL-formulas.
Keywords: mathematical modelling, cryptographic protocols, information security, linear temporal logic, security properties formalization. INFORMATION SUPPORT FOR THE EVALUATION SYSTEM OF EXPERTS’LEVEL OF COMPETENCE
Valeriy Korsun1, Elina Prokuda2 1doctor of Engineering Science, Professor, Head of the Department of Metrology and Information Computation Technologies, State Higher Educational Institution "National Mining University", Dnepropetrovsk, Ukraine 2postgraduate student of Department of Metrology and Information Computation Technologies, State Higher Educational Institution "National Mining University", Dnepropetrovsk, Ukraine, e-mail: elinka9891@mail.ru
Abstract. The analysis of the formation of an expert group to assess the state of the basic elements ofopen-pit dump trucks is performed. A multi-stage process of expert group formation is considered. The program assessing experts ’level of competency is presented.
Keywords: expert, level of competence, the expert group, dump truck. DEFLECTED MODE ALGORITHM OF THIN CONICAL SHELL IN THE CASES OF ONE-WAY AND TWO-WAY CONNECTION BETWEEN THE SHELL AND ELASTIC FOUNDATION
Olena Zaporozhets1, Sergey Gorlach2, Victor Zaporozhets3 1Ph.D., Associate Professor of Applied Mathematics Department, State Higher Educational Institution “Prydniprovs’ka State Academy of Civil Engineering and Architecture”, Dnepropetrovsk, Ukraine, e-mail: Lena_ne@ukr.net 2Ph.D., Associate Professor of Basements and Foundations Department, State Higher Educational Institution “Prydniprovs’ka State Academy of Civil Engineering and Architecture”, Dnepropetrovsk, Ukraine, e-mail: serg.gorlach@ukr.net 3Ph.D., Associate Professor of Structural Mechanics and Strength of Materials of Department, State Higher Educational Institution “Prydniprovs’ka State Academy of Civil Engineering and Architecture”, Dnepropetrovsk, Ukraine
Abstract. The deflected mode algorithm of thin conical shell in the cases of one-way and two-way connection between the shell and elastic foundation is considered. Two-way or one-way connection between shell and the foundation there can be. This problem is solved by finite element method. Shell displacements are defined by serial approximations in case one-way connection. On the algorithm the program has been created. With its help many calculations have been made.
Keywords: algorithm, thin conical shell, elastic foundation, finite element method.
MARKETING PROBLEMS OF INDUSTRIAL ENTERPRISES
O.N. Verkhovtseva1 student of group "Mkbd-41", Ulyanovsk State Technical University, Ulyanovsk, Russia, e-mail: olik_tlt@mail.ru
Abstract. This paper made a case study of marketing problems at the industrial enterprises of the chemical industry of the city of Togliatti. Also developed recommendations and conclusions on the effectiveness of their implementation.
Keywords: strategic marketing analysis of the company, marketing problems, industrial marketing.
METHOD OF KNOWLEDGE EXPERT ESTIMATION IN FUZZY INFORMATION
Olga Palamarchuk1, Marina Pedoryaka2, Maxim Balaka3 1Student of group PNC-41, Kyiv National University of Construction and Architecture,
2Student of group PNM-21, Kyiv National University of Construction and Architecture,
3Assistant of Building Machinery Department, Kyiv National University of Construction
Abstract. The paper presents a multicriterion method of knowledge expert estimation of students in fuzzy information. It allows to reduce the subjectivity of teachers, to get the most reliable information about the level of students knowledge and estimate them based on different training methods, automating this process. Keywords: knowledge, expert estimation, method, model, fuzzy information, control, testing, database. DESIGN OF BRAKING OF MINE DIAXONIC LOCOMOTIVE ON RAIL WAY
Denis Borisenko Graduate student, assistant of department "Technology and Design", Ukrainian Engineering Pedagogics Academy, Kharkiv, Ukraine, e-mail: denbork@mail.ru
Abstract. The modern information educational space is in fast process of formations and causes reorganization on new level of providing an available educational and methodical complex of educational institutions. The teacher becomes the active organizer and the founder of innovative pedagogical strategy among whom first place win an information and communicative complex. In article the innovative organization of educational process and, in particular, its remote electronic providing will be considered. The special attention will be paid to comment function application when using the educational web resource developed by the teacher. It is in more detail accented its role, possible functionality and features of application at educational interaction of the teacher with students.
Keywords: information and communicative technologies, information and communicative complex, innovative technologies, remote electronic providing, web resource, blog, blog sphere, electronic comment didactic development. TECHNOLOGICAL FEATURES AUTOMATIC PROGRAMMING TURNING IN A MEDIUM WORM KOMPAS-3D V15.1
Sergey Sivun1, Vladimir Protsiv2, Sergey Patsera3 1Competitor of the Department of technology of mining machinery, State Higher Educational Institution "National Mining University", Dnepropetrovsk, Ukraine, e-mail: 2Doctor of technical Sciences, Professor of Machinery Design Bases Department, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: protsiv@ukr.net 3Candidate of Technical Science, senior lecturer of Machinery Design Bases Department, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: witiw@rambler.rurambler.ru
Abstract. The analysis of the processing of the cylindrical worm software KOMPAS-3D V15.1 using the built-in library module CNC lathe.
Keywords: cylindrical worm, KOMPAS-3D V15.1, CNC lathe module. COMPUTER TRAINING SYSTEM WITH BASIC CONTROL QUESTIONS TO THE CURRICULUM
G. Skorokhod Ph.D., assistant professor of mathematical modeling, Dnepropetrovsk National University, Dnepropetrovsk, Ukraine, e-mail: gskorokhod@yahoo.com
Abstract. The technique of creating a computer training with a sufficiently complete system of basic control questions to curriculum based on templates of statements and related templates of questions was proposed.
Keywords: computer training, test questions, templates of statements and questions. INTERACTIVE COMPUTER MODELS AND DISTANCE EDUCATION
A. Lagoshny1, O. Lagoshna2, N. Matysina3 1Senior Lecturer of Applied Mathematics Department, State Higher Educational Institution "Dnieper State Academy of Civil Engineering and Architecture", Dnepropetrovsk, Ukraine, e-mail: alexlagosh@mail.ru 2Assistant Professor of Automobiles and Automobile Economy Department, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: lenala@ua.fm 3Ph.D., Associate Professor of Structural, Engineering and Applied Mechanics Department, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: matysina@ua.fm
Abstract. Currently, the role of computer technology in education is increasing. This is primarily associated with search of new, more productive forms and methods of teaching. Interactive computer models can be used as a means of learning, and to perform basic functions in the learning process.
Keywords: information, model, information computer model, method. CHANGING OF THE ROLES AND RELATIONSHIP OF THE LECTURER AND STUDENTS AS THE RESULT OF EXTENSION INFORMATION TECHNOLOGY IN EDUCATION
Lubov Chernova1, Natali Shevardina2 1PhD in philosophy, Associate professor of philosophy andpolitology Department, State Higher Educational Institution “Prydniprov’ka State Academy of Civil Engineering and Architecture”, Dnepropetrovsk, Ukraine, e-mail: chernlub@ukr.net 2 student, State Higher Educational Institution “Prydniprov’ka State Academy of Civil Engineering and Architecture”, Dnepropetrovsk, Ukraine, e-mail: inna.animka@gmail.com
Abstract. The article considers internal social changes of the teacher's interaction with students in the educational process in high school being the result of the spread of information technologies in education. On the basis of theoretical studies and sociological research the new roles of the teacher and students, changes in motivation and students' expectations from the role of interaction, that significantly changes the nature of their relationship are analyzed.
Keywords: information, learning, informational technology (IT) at learning, learning methods, role of the lecturer, lecturer -student relationship, teacher-student communication. APPLICATION OF INFORMATION TECHNOLOGY IN LEARNING MATHEMATICAL ANALYSIS
A. Lagoshny1, O. Lagoshna2 1Senior Lecturer of Applied Mathematics Department, State Higher Educational Institution "Dnieper State Academy of Civil Engineering and Architecture", Dnepropetrovsk, Ukraine, e-mail: alexlagosh@mail.ru 2Assistant Professor of Automobiles and Automobile Economy Department, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: lenala@ua.fm
Abstract. Currently, the role of computer technology in education is increasing. This is primarily associated with search of new, more productive forms and methods of teaching. Interactive computer models can be used as a means of learning, and to perform basic functions in the learning process.
Keywords: information, model, information computer model, method.
TRAINING FOR HIGHER QUALITY PERSONAL
A. Dodatko1 1Ph.D., Associative Professor of Machinery Design Bases Department, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: ziborov@nmu.org.ua
Abstract. The planning and conducting educational process problems are considered as an example of modern Higher Educational Institution. Suggested by authors practical recommendations for optimizing redundant intermediate control measures and reporting forms suggested are considered.
Keywords: professional competence, basic concepts of professional training of future engineers, a problem in its function as the means of forming professional competences. THE DEVELOPMENT OF VALUE ORIENTATIONS FOR HIGH EDUCATION
S.V. Balashov1, I. Verner2, E.A. Olhovik3 1Ph.D., Associate Professor of Machinery Design Bases Department, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: balashov_s_v@mail.ru 2Head of informational technology design laboratory, Machinery Design Bases Department, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine, e-mail: ill3@mail.ru 3Student of group GLgr-13-2, State Higher Educational Institution “National Mining University”, Dnepropetrovsk, Ukraine
Annotation. This article examines the impact of culture for educational institutions. The basics value orientations that contribute to improve the quality of professionals and stability of society.
Keywords: high education, culture, educational institutions, training personnel. SEQUENCE OF THE EDUCATIONAL PROGRAMS FORMATION TO MEET THE REQUIREMENTS OF THE SYSTEM OF LABOR
Оleksandr Horpynych lecturer of Applied Economics Department, State Higher Educational Institution «National Mining University», Dnepropetrovsk, Ukraine, e-mail: gorpyal@gmail.com
Abstract. On the basis of the legal provision of higher education learning outcomes are grouped components in competency essence of educational content are forming experience requirements for the learning outcomes of the International Engineering Alliance, The sequence of formation of educational programs to meet the requirements of the system work.
Keywords: learning outcomes, competencies, the system works, the National Qualifications Framework, the content of education, educational program. ESTIMATION OF THE COMPETENCE APPROACH EFFICIENCY WHILE DEVELOPING MEASURES TO EVALUATE STUDENTS’ ACHIEVEMENTS
T. Pismenkova senior lecturer in the basics of machinery design, State Higher Educational Institution «National Mining University», Dnepropetrovsk, Ukraine, e-mail: pismenkovat@nmu.org.ua
Abstract. A research of estimation of the competence approach efficiency while developing measures to evaluate bachelors’ in mining achievements are provided.
Keywords: competence approach, diagnostics measures, bachelors achievements. DEVELOPMENT AND APPLICATION OF EVALUATION RESULTS TRAINING STUDENTS
T. Pismenkova senior lecturer in the basics of machinery design, State Higher Educational Institution «National Mining University», Dnepropetrovsk, Ukraine, e-mail: pismenkovat@nmu.org.ua
Abstract. The features of learning outcomes assessment in competence-based approach to higher education, described the components and sequence of formation of the fund means of assessing the level of formation of competencies grouped principles of process evaluation of learning outcomes.
Keywords: learning outcomes, competences fund assets valuation principles of the evaluation process. |
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