Научные статьи: Недавние поступления
Отображаемые элементы 3521-3540 из 5785
-
Belt conveyors: principles of building control and diagnostics systems
(IOP Conference Series: Materials Science and Engineering, 2021)Diagnostics allows you to get information about the technical condition of the main components of the belt conveyor, the results of which the control system adapts to changing conditions. Diagnostics is carried out by technical means of diagnostics and assessment of transport and operational condition. The main provisions of the conceptual plan and functional properties ...2024-12-09 -
Axial-Symmetric Diffraction Radiation Antenna with a Very Narrow Funnel-Shaped Directional Diagram
(Applied Sciences, 2021)The paper is focused on reliable modeling and analysis of axially symmetric radiators with a very narrow (throat) funnel-shaped radiation pattern. When such a diagram is formed, a wave analogue of Smith–Purcell coherent radiation is realized—the surface wave of a radial dielectric waveguide ‘sweeps out’ with its exponentially decaying part a concentric periodic grating, ...2024-12-09 -
Automated systems for main oil pipelines diagnostics and control
(IOP Conference Series: Materials Science and Engineering, 2021)The issues of diagnostics of the technological objects operation of the main oil pipeline and control of their operation modes using automated systems are investigated. The systems and methods for diagnostics and determination of oil leakage from main oil pipelines are studied. A method for remote detection of oil leakage from main oil pipelines is described. SCADA systems ...2024-12-09 -
Authentication and key distribution protocol based on Diffie-Hellman algorithm and physically unclonable functions
(Telecommunication Computing Electronics and Control, 2024)Based on the modified Diffie-Hellman (DH) protocol, a key distribution scheme between two correspondents over open communication channels is considered. The correspondents communicate through a trusted entity. An attacker can control the communication channels between the correspondents and the channels between the correspondents and the trusted authority (TA) and perform ...2024-12-09 -
Issues of Increasing the Efficiency of Traffic Management on the Main Streets of Astana
(Advances in Transdisciplinary Engineering, 2024)Given the scarcity of funds in the city budget, the current way to improve the efficiency of traffic management is to coordinate traffic lights at a number of regulated intersections or pedestrian crossings, that requires a minimum cost. In this article the authors discuss the possibility of introducing a coordinated traffic light regulation on the section of R. Koshkarbayev ...2024-12-09 -
Design and Application of an Improved Genetic Algorithm to a Class Scheduling System
(International Journal of Emerging Technologies in Learning (iJET), 2021)The current expansion of national colleges and universities or the increase in the number of enrolments requires teaching management to ensure the quality of teaching. The problem of scheduling is a very complicated problem in teaching management, and there are many restrictions. If the number of courses scheduled is large, it will be necessary to repeat the experiment and ...2024-12-09 -
Delving into Earth Dam Dynamics: Exploring the Impact of Inner Impervious Core and Toe Drain Arrangement on Seepage and Factor of Safety during Rapid Drawdown Scenarios
(Infrastructures, 2023)The study examined the intricate relationships between embankment slope configurations, toe drain designs, and drawdown scenarios. It utilized a unique combination of numerical, physical, and mathematical models. The investigation involved 16 numerical models and 8 physical models with distinct characteristics. The research explored the correlations of key parameters: matric ...2024-12-09 -
DEFORMATION FEATURES OF TRUNK PIPELINES WITH COMPOSITE LININGS UNDER STATIC LOADS
(Eastern-European Journal of Enterprise Technologies, 2023)This paper considers the deformation process of a typical section of a steel trunk pipeline with a defective zone, strengthened with a carbon fiber composite lining, under the influence of stationary internal pressure. Defects in the form of thinning of the pipe thickness and cracks were investigated. The stressed-strained state of the structure at critical pressure was ...2024-12-09 -
Deep Neural Network for Detecting Fake Profiles in Social Networks
(Computer systems science and engineering, 2023)This paper proposes a deep neural network (DNN) approach for detecting fake profiles in social networks. The DNN model is trained on a large dataset of real and fake profiles and is designed to learn complex features and patterns that distinguish between the two types of profiles. In addition, the present research aims to determine the minimum set of profile data required for ...2024-12-09 -
The Use of Python, Owlready, Sparql in Processing the Words Ontological Model of Public Political Discourse
(Advances in Transdisciplinary Engineering, 2024)The article describes a technology processing ontological model of words in public political discourse. The research task is developing an information question-answering system of political discourse in Kazakh language. The Python programming language, Sparql data-query language, and Owlready module are used to develop the system.2024-12-06 -
A Systematic Literature Review of Current Trends in Electronic Voting System Protection Using Modern Cryptography
(Applied Sciences, 2024)Electronic voting, based on cryptographic protocols and blockchain technology, represents an advanced method for ensuring the security, transparency, and reliability of electoral processes. The scientific research presented in this article is devoted to the analysis of trends and advanced technologies in the field of electronic voting. The authors propose a systematic mapping ...2024-12-06 -
Assessment of the main features of the model of dissemination of information in social networks
(International Journal of Electrical and Computer Engineering, 2023)Social networks provide a fairly wide range of data that allows one way or another to evaluate the effect of the dissemination of information. This article presents the results of a study that describes methods for determining the key parameters of the model needed to analyze and predict the dissemination of information in social networks. An approach based on the analysis ...2024-12-06 -
ASSESSMENT OF THE BEARING CAPACITY OF VARIABLE PROFILE PILES IN SOIL USING STATIC LOAD MODEL TESTS ON A TESTING APPARATUS
(Eastern-European Journal of Enterprise Technologies, 2024)The paper presents the results of the study of the proposed type of variable profile piles. The proposed type of piles is reinforced concrete driven piles segmented in length. Each subsequent section has a radial displacement along the axis of symmetry relative to the previous section. The positive effect of the performance of the proposed pile is to change the nature of ...2024-12-06 -
ASSESSMENT OF SOILS DEFORMABILITY UNDER VERTICAL LOAD
(International Journal of GEOMATE, 2020)Laboratory and experimental tests in huge amount are required during engineering surveys for large and critical buildings and structures especially in complex geological conditions. The laboratory investigations are applicable in cases with no possibility for field tests. However, as a rule the results obtained from laboratory investigations (in particular compression tests) ...2024-12-06 -
Assessment of Regional and Sectoral Parameters of Energy Supply in the Context of Effective Implementation of Kazakhstan’s Energy Policy
(Energies, 2022)The development of global and regional energy markets is one of the most important problems of the current state of global economic relations and is one of the highest-priority areas in the formation of national and regional strategies for the socio-economic development of any country. The role of energy supply is focused on monitoring and compliance with standards. However, ...2024-12-06 -
ASSESSMENT OF PLANT DISEASE DETECTION BY DEEP LEARNING
(Eastern-European Journal of Enterprise Technologies, 2023)Plant disease and pest detection machines were originally used in agriculture and have, to some extent, replaced traditional visual identification. Plant diseases and pests are important determinants of plant productivity and quality. Plant diseases and pests can be identified using digital image processing. According to the difference in the structure of the ...2024-12-06 -
ASSESSING THE IMPACT OF TRANSPORT AND LOGISTICS ON ECONOMIC GROWTH IN EMERGING ECONOMIES: A CASE STUDY FOR THE CONDITIONS OF THE REPUBLIC OF KAZAKHSTAN
(TRANSPORT PROBLEMS, 2021)This article examines the link between logistics indicators and economic growth in Kazakhstan in the period 1995-2019. Factors and the causal relationship between the indicators of transport development and economic growth, using the models of total production, demand and vector error correction, are studied. The analysis established specifics of the relationship between ...2024-12-06 -
A Real-Time Dynamic Gesture Variability Recognition Method Based on Convolutional Neural Networks
(Applied Sciences, 2023)Among the many problems in machine learning, the most critical ones involve improving the categorical response prediction rate based on extracted features. In spite of this, it is noted that most of the time from the entire cycle of multi-class machine modeling for sign language recognition tasks is spent on data preparation, including collection, filtering, analysis, and ...2024-12-06 -
Architecture and Planning of Residential Complexes in Kazakhstan
(ISVS e-journal, 2023)Planning and designing of urban residential complexes with all the functions in beautiful environments responding to the local customs is a difficult task. In Kazakhstan, as a result of the growth of the economy, the improvement of needs, and the transformations of socio-economic functions, housing is changing fast. Urban residents now make complex and higher demands ...2024-12-06 -
A PRACTICAL SOLUTION FOR IMPROVING SOIL BASES IN PROBLEMATIC ENGINEERING CONDITIONS
(International Journal of GEOMATE, 2023)Improving the quality and efficiency of construction on problematic soil conditions largely depends on the correct assessment of their properties, the choice of foundations, and structural and technological solutions. This study presents a practical solution for improving soil bases using reinforcement as the chosen method of improvement. The effectiveness of the reinforcing ...2024-12-06
