Browsing Сериальные издания by Title
Now showing items 139-158 of 7924
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Features of Controlling Electropneumatic Valves of Actuator to Control its Clutch with Acceleration Valve
(БНТУ, 2018)The article deals with one of the ways to control an actuator of the automated clutch control system. The aim is to design control of the electropneumatic actuator, to control its coupling with the acceleration valve on the basis of experimental research as well as to provide rational parameters of the automated clutch control system for the robotic transmission. The feature of ...2018-02-09 -
Features of Measuring the Hardness of a Metal Surface Modified with Ultrafine Particles of Minerals
(БНТУ, 2020)One of the important characteristics of the surface properties of metal parts subjected to friction is hardness. Hardness measurements are important for determining the operational characteristics of parts and monitoring the technological regimes of surface modification. However, hardness measurements of thin modified layers made by different methods can lead to differences in ...2020-09-18 -
Features of the Behavior of a Plane Axisymmetric Magnetic Fluid Drop in a Nonmagnetic Solvent and a Uniform Magnetic Field
(БНТУ, 2022)The work is devoted to an experimental study of the process of dissolution of a magnetic fluid in a nonmagnetic solvent under the action of a uniform magnetic field. It is experimentally established that in a volume of magnetic fluid surrounded by a miscible solvent fluid, under the action of a uniform magnetic field, a mechanical movement arises, triggering deformation of this ...2022-12-08 -
Features of Аpplication of a Сombined Аpproach to the Еvaluation of the Мeasurement Results Uncertainty
(БНТУ, 2020)The article exposes description of features of the combined approach application to the evaluation of measurement results uncertainty. The aim of this work is the justification and development of new science-driven approaches to achieve maximum efficacy of measurements on the criteria "accuracy/costs" at the stated level of confidence. It provides theoretical base for correctness ...2020-03-17 -
Filter Kalman for solving the problem of coordinates UAV
(БНТУ, 2019)Unmanned aerial vehicles (UAVs) are increasingly used in military and scientific research. Some miniaturized UAVs rely entirely on the global positioning system (GPS) for navigation. GPS is vulnerable to accidental or deliberate interference that can cause it to fail. It is not unusual, even in a benign environment, for a GPS outage to occur for periods of seconds to minutes. For ...2019-07-09 -
Finite Element Method Analysis of Centreless-Lunette Turning of Heavy Shafts
(БНТУ, 2017)Dynamics of heavy lathe tool ta be renovated has been simulated in the paper. Original turning scheme concerns finish-machining of large rotor shafts. High-positioned parts and a milling head may create dynamic problems. For this very reason FEM-simulation has been carried in static, modal and harmonic arrangements. A carrying system for shaft support consists of a bed, a support, ...2017-05-29 -
Flight Path Control for Unmanned Aerial Vehicle
(БНТУ, 2014)Проведено исследование оптимизированного по заданному критерию закона управления беспилотного летательного аппарата при наведении его по траектории, заданной опорными точками в инерциальной системе координат. Приводится пример, иллюстрирующий работоспособность предложенных теоретических положений.2014-12-17 -
Forecasting the Risk of Bankruptcy in Poorly Formalized Processes
(БНТУ, 2024)There is a class of complex systems characterized by dynamism, multi-link structural elements, multi-stage, multi-linked chain of processes. Moreover, each of these processes occurs under conditions of stochastic and non-stochastic uncertainty in the initial information, internal and external environment, which predetermine the uncertainty of the nature of the development of the ...2024-02-06 -
Formalization of the problem of selection of automated system
(БНТУ, 2018)The results of many years of research in the field of formalizing the task of selecting automated systems for various areas of design and office activities are given. The purpose of the study is the development of methods for qualitative and quantitative evaluation when choosing an automated system, taking into accounts the operating conditions and customer requirements. Qualitative ...2018-06-12 -
Formation Mechanisms and Methods for Calculating Pollutant Emissions from Natural Gas Combustion Depending on the Burner Emission Class
(БНТУ, 2019)The combustion of hydrocarbon fuels in the chambers of heat generating plants is one of the main sources of pollutant emissions. Environmental standards and rules that limit emissions are becoming more stringent and their implementation requires the introduction of advanced technologies and equipment. The main device in combustion systems are blow burners, the design of which ...2019-11-29 -
Formation of highly resistant carbide and boride coatings by a two-stage deposition method
(БНТУ, 2011)A study was made of the aspects of forming highly resistant coatings in the surface zone of tool steels and solid carbide inserts by a two-stage method. At the first stage of the method, pure Ta or Nb coatings were electrodeposited on samples of tool steel and solid carbide insert in a molten salt bath containing Ta and Nb fluorides. At the second stage, the electrodeposited ...2014-07-02 -
Frequency Domain Diagnostics of Transformer Insulation
(БНТУ, 2019)The first part of paper deals with the base information about diagnostics of power transformers. In this part are presented differently insulating methods, for example method of recovery voltage method, method of polarization and depolarization currents and chromatographic analysis. The second part of paper deals use of method of frequency domain spectroscopy for oil power ...2020-01-08 -
Fuel Consumption of Wheeled Vehicle and Transportation Costs during Highway Construction/Reconstruction
(БНТУ, 2021)A method is proposed for determining the fuel consumption of a wheeled vehicle depending on its speed, road surface flatness and road slope in the longitudinal direction. The purpose of the research is to derive mathematical relationships for calculating the fuel consumption of vehicles, which is one of the transport cost factors during the construction/ reconstruction or overhaul ...2021-12-02 -
Fuzzy logic controller implementation for photovoltaic station
(БНТУ, 2014)Солнечные батареи (СБ) имеют нелинейные вольт-амперные характеристики с характерной точкой максимальной выходной мощности (МВМ), которая зависит от условий окружающей среды, таких как температура и уровень солнечного излучения. Для обеспечения максимальной выходной мощности СБ должны работать в точке МВМ независимо от условий окружающей среды. Эта задача обеспечивается соответствующим ...2015-07-24 -
Gamma-spectrometer for water areas and bottom sediments radiation monitoring
(БНТУ, 2016)In order to solve the problem of continuous or periodic monitoring of water areas affected by radioactive contamination in the result of scheduled emissions in nuclear power plants or in the result of emergency situations in nuclear fuel cycle plants we need to develop measurement instruments with advanced mathematics and program support to assess the level of radioactive ...2016-12-12 -
Gefuege und eigenschaften von patentierten hochgekohlten draht
(БНТУ, 2011)Analyse der mechanischen Eigenschaften und Mikrostruktur der Cordstahlproben Marke 80 nach isometrischen Austenitzerfall bei Bleischmelzetemperatur 610–400 ºС bei Ladorbedingungenzeigte.2014-07-02 -
Genetic algorithm of optimizing the qualification of programmer teams
(БНТУ, 2020)The partitioning a set of professional programmers into a set of teams when a programming project specifies requirements to the competency in various programming technologies and tools is a hard combinatorial problem. The paper proposes a genetic algorithm, which is capable of finding competitive and high-quality partitioning solutions in acceptable runtime. The algorithm introduces ...2021-01-28 -
GIFA-2007
(БНТУ, 2007)Овчинников, В. В. GIFA-2007 / В. В. Овчинников, М. А. Садоха // Литье и металлургия. – 2007. – № 3 (43). – С. 124 - 131.2015-07-30 -
Hands-on Experience of THERMO FITNESS TESTING Device Use for Thermoelectric Evaluation of Metallic Materials
(БНТУ, 2024)The article describes experience of practical application of the differential thermoelectric tester "THERMO FITNESS TESTING". Description of the sensor design and results of differential thermoelectromotive force measurement for a large group of metals widely used in Russia are given. Usage of the "THERMO FITNESS TESTING" device to test the quality of R6M5 steel heat treatment ...2024-07-16 -
Heat and Material Balance of Heliopyrolysis Device
(БНТУ, 2023)The article proposes a technological scheme for the process of obtaining alternative fuels from local biomass by the method of heliopyrolysis. Besides, the temperature regime in the reactor of the pyrolysis device and the thermal energy savings consumed for the specific needs of the device, as well as the thermal performance of the device are analyzed. It is known that reducing ...2023-02-09