Посмотр Engineering по дате публикации

Отображаемые элементы 1-20 из 651

    • Development of a Geographical QuestionAnswering System in the Kazakh Language 

      Mukanova, Assel; Barlybayev, Alibek; Nazyrova, Aizhan; Kussepova, Lyazzat; Matkarimov, Bakhyt; Abdikalyk, Gulnazym (IEEE Access, 2017)
      The study presents a detailed framework designed to develop a Question-Answering System (QA System) for the Kazakh language, highlighting its importance in the field of Low Resource Languages (LRL) Text Processing. This effort aims to fill the gap in resources for languages that lack substantial digital tools. Specifically, the project focuses on geographical questions about ...
      2024-12-10

    • On the performance analysis of WPT-Based Dual-Hop AF relaying networks in α-μ Fading 

      NAURYZBAYEV, GALYMZHAN; RABIE, KHALED M.; ABDALLAH, MOHAMED; ADEBISI, BAMIDELE (IEEE Access, 2018)
      In this paper, a two-hop amplify-and-forward relaying system, where an energy-constrained relay node entirely depends on the energy scavenged from the source signal, is investigated. This paper analyzes the performance of the energy-harvesting (EH) protocols, namely, ideal relaying receiver, powersplitting relaying (PSR), and time-switching relaying (TSR), over independent but ...
      2024-12-11

    • Thermodynamic and holographic information dual to volume 

      Momeni, Davood; Faizal, Mir; Alsaleh, Salwa; Alasfar, Lina; Myrzakul, Aizhan; Myrzakulov, Ratbay (Eurasian Physical Technical Journal C, 2018)
      In this paper, we will analyze the connection between the fidelity susceptibility, the holographic complexity and the thermodynamic volume. We will regularize the fidelity susceptibility and the holographic complexity by subtracting the contribution of the background AdS spacetime from the deformation of the AdS spacetime. It will be demonstrated that this regularized fidelity ...
      2024-12-13

    • GEOTECHNICAL CONSIDERATIONS OF PILING TESTING IN PROBLEMATICAL SOILS OF WEST KAZAKHSTAN 

      Zhussupbekov, Askar; Morev, Ivan; Omarov, Abdulla; Borgekova, Karlygash; Zhukenova, Gyulnara (International Journal of GEOMATE, 2018)
      Estimation of bearing capacity and settlement plays an essential role in designing pile foundations of buildings. This paper presents the results of pile static and dynamic loading tests taken place in the construction sites of Caspian Sea Port Prorva and Tengiz. The static loading tests (SLT) and static compression loading tests (SCLT) were carried out according to the ...
      2024-12-11

    • Characteristics of cathode materials for solid oxide fuel cells with mixed conductivity 

      Kuterbekov, K A; Bekmyrza, K Zh; Nikonov, A V; Aydarbekov, N K (IOP Conference Series: Materials Science and Engineering, 2018)
      In this article, we define promising materials for creating the structure of a nonporous cathode-electrolyte. The synthesis of initial powders by the method of self-propagating high-temperature synthesis is studied and described. The specific surface area, morphology and phase composition of powders were investigated.
      2024-12-09

    • Innovative Technologies for Producing Foam Concrete Products Using Solar Energy 

      Aruova, Lyazat; Dauzhanov, Nabi; Tokmyrza, Batyrkhan; Utkelbaeva, Aizhan; Shashpan, Zolaman (International Journal of Engineering & Technology, 2018)
      An energy efficient technology and a method for the production of foam concrete products have been developed. They involve the use of solar energy in the process in order to reduce energy consumption for heat treatment, which allows to produce high-quality products with a low production cost with a daily production cycle. The technical and economic evaluation of the developed ...
      2024-12-11

    • Machine Learning for the Communication Optimization in Distributed Systems 

      Kazhmaganbetova, Zarina; Imangaliyev, Shnar; Sharipbay, Altynbek (International Journal of Engineering & Technology, 2018)
      The objective of the work that is presented in this paper was the problem of the communication optimization and detection of the issues of computing resources performance degradation [1, 2] with the usage of machine learning techniques. Computer networks transmit payload data and the meta-data from numerous sources towards vast number of destinations, especially in multi-tenant ...
      2024-12-11

    • On the Feasibility of Interference Alignment in Compounded MIMO Broadcast Channels With Antenna Correlation and Mixed User Classes 

      Nauryzbayev, Galymzhan; Alsusa, Emad; Abdallah, Mohamed (IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2018)
      This paper presents a generalized closed-form beamforming technique that can achieve the maximum degrees of freedom in compounded multiple-input multiple-output (MIMO) broadcast channels with mixed classes of multiple-antenna users. The contribution is first described within the context of a three-cell network and later extended to the general multicell scenario where we ...
      2024-12-11

    • Preparation and morphology-dependent wettability of porous alumina membranes 

      Shimanovich, Dmitry L.; Vorobjova, Alla I.; Tishkevich, Daria I.; Trukhanov, Alex V.; Zdorovets, Maxim V.; Kozlovskiy, Artem L. (Beilstein Journal of Nanotechnology, 2018)
      This article presents the preparation and study of the wetting properties of porous alumina membranes (PAMs) with a thickness of 25 to 75 μm and with a different pore sizes. The fabrication process features, scanning electron microscopy and atomic force microscopy characterization results are presented. The comparative analysis of PAM surfaces (outer and inner) and the effect ...
      2024-12-12

    • Technology of production of polystyrene concrete using solar energy 

      Aruova, Lyazat; Dauzhanov, Nabi; Ospanova, Zhumabeke; Toleubayeva, Shamshygaim; Utkelbaeva, Aizhan (MATEC Web of Conferences, 2018)
      The energy of solar radiation is a powerful energy reserve at the surface of the globe which is about twenty billion kW. This amount of energy is more than 100 times greater than the amount of necessary energy for the whole planet; besides the usage of this powerful energy radiator is not associated with polluting substances that pollute the planet. The usage of solar ...
      2024-12-12

    • For More Energy-Efficient Dual-Hop DF Relaying Power-Line Communication Systems 

      Rabie, Khaled M.; Adebisi, Bamidele; Tonello, Andrea M.; Nauryzbayev, Galymzhan (IEEE SYSTEMS JOURNAL, 2018)
      Energy efficiency in multihop cooperative power-line communication (PLC) systems has recently received considerable attention in the literature. In order to make such systems more energy efficient, this paper proposes a relaying technique equipped with energy-harvesting capabilities. More specifically, we consider a dual-hop decode-and-forward (DF) broadband PLC relaying ...
      2024-12-10

    • EXPERIMENTAL STUDY OF MODEL PILE FOUNDATIONS IN SEASONALLY FREEZING SOIL GROUND 

      Zhussupbekov, Askar; Shin, Eun Chul; Shakhmov, Zhanbolat; Tleulenova, Gulshat (International Journal of GEOMATE, 2018)
      The bearing capacity and settlement of pile foundation were greatly influenced by the temperature variations of soil ground around pile foundation. This paper presented a short report about laboratory static load tests by model precast concrete piles (cross-section 4 × 4 cm and length of 60 cm) in seasonally freezing soil ground. The depth of frozen soil was 10 cm, temperature ...
      2024-12-10

    • CONCURRENTLY CONTROLLED GRAMMARS 

      Mavlankulov, Gairatzhan; Othman, Mohamed; Turaev, Sherzod; Selamat, Mohd Hasan; Zhumabayeva, Laula; Zhukabayeva, Tamara (Kybernetika, 2018)
      This paper introduces a new variant of Petri net controlled grammars, namely a concurrently controlled grammar, where the control over the application of the productions of a grammar is realized by a Petri net with different parallel firing strategies. The generative capacity of these grammars is investigated with respect to transition labeling strategies, definitions of ...
      2024-12-09

    • Main directions of “Smart city” development in the republic of Kazakhstan 

      Shalbolova, Urpash; Kenzhegaliyeva, Zita (MATEC Web of Conferences, 2018)
      The article focuses on paramount targets for developing “smart” cities in the Republic of Kazakhstan. The conducted studies substantiate the effectiveness of reforms in the housing and utilities sector of Kazakhstan in accordance with the branch state programs and the need for a comprehensive solution of the existing problems for the further successful development of ...
      2024-12-11

    • Effect of chemical additives on the freezing characteristics of clayey soils 

      Zhussupbekov, A; Tleulenova, G; Serebrennikova, E (IOP Conference Series: Materials Science and Engineering, 2018)
      Some regions in Kazakhstan and Russia have a long winter season. On average, the ice freezes is in early December and the end of March. In this study, the authors investigate the different type of soil, four specimens of soil with different engineering characteristics and soil classification by a unified classification method. The freezing test was carried out for four ...
      2024-12-10

    • THE EFFECTIVENESS OF LOGISTICS DEVELOPMENT AND ITS IMPACT ON THE ECONOMIES OF THE COUNTRIES ALONG THE SILK ROAD PASSING THROUGH KAZAKHSTAN 

      RAIMBEKOV, Zhanarys; SYZDYKBAYEVA, Bakyt; RAKHMETULINA, Zhibek; ZHENSKHAN, Darima (TRANSPORT PROBLEMS, 2018)
      In modern global conditions, the revival of the economic belt of the Great Silk Road as a whole opens up new significant opportunities for countries along the route to develop the economies of these countries. Nowadays, the main factors for the integration of these countries are logistics, international trade, and tourism. The relevance of the study lies in the very ...
      2024-12-12

    • Practical output tracking for a class of uncertain nonlinear time-delay systems via state feedback 

      Alimhan, Keylan; Otsuka, Naohisa; Kalimoldayev, M.N.; Tasbolat, N. (MATEC Web of Conferences, 2018)
      In this paper, the problem of global practical output tracking is investigated by state feedback for a class of uncertain nonlinear time-delay systems. Under mild conditions on the system nonlinearities involving time delay, we construct a homogeneous state feedback controller with an adjustable scaling gain. By a homogeneous Lyapunov-Krasovskii functional, the scaling gain ...
      2024-12-12

    • VISCOSITY EFFECT ON SOIL SETTLEMENTS AND PILE SKIN FRICTION DISTRIBUTION DURING PRIMARY CONSOLIDATION 

      Kodsi, Salma Al; Oda, Kazuhiro; Awwad, Talal (International Journal of GEOMATE, 2018)
      Skin friction distribution occurs due to a relative movement between pile and adjacent soil. Varied factors affecting this movement get the soil to, occasionally, settle more than that of the pile. In this case, negative skin friction distributes along some part of the pile's shaft. Primary consolidation begins after applying surcharge load on ground surface next to pile’s ...
      2024-12-13

    • Solving output control problems using Lyapunov gradient-velocity vector function 

      Beisenbi, М. А.; Basheyeva, Zh. О. (International Journal of Electrical and Computer Engineering, 2019)
      This paper describes a controller and observer parameter definition approach in one input-one output (closed-loop) control systems using Lyapunov gradient-velocity vector function. Construction of the vector function is based on the gradient nature of the control systems and the parity of the vector functions with the potential function from the theory of catastrophe. ...
      2024-12-12

    • The modification of PETF-membranes by Langmuir-Blodgett films of Nafion 

      Melnikova, G B; Ledvig, O G; Chizhik, S A; Kozlovskiy, A L; Zdorovec, M V (IOP Conference Series: Materials Science and Engineering, 2019)
      In this research, the surfaces of track PETF-membranes were modified by LangmuirBlodgett (LB) films of Nafion. The changes of structure of modified membranes were studied by atomic force microscopy (AFM). The LB-film of Nafion monolayer was found to be 30-100 nm thick. The incorporation of SiO2 nanoparticles in LB-layer in small quantities was structuring the monolayer. The ...
      2024-12-13