Showing 17,321 - 17,340 results of 19,524 for search '"Mathematics"', query time: 0.07s Refine Results
  1. 17321

    ATTENDANCE OF SEMINARS IN TRADITIONAL AND BLENDED FORMS OF EDUCATION by I. V. Kharlamenko

    Published 2017-09-01
    “…The author gained the data on attendance of seminars by the 4th-year students in the biological department ofMSU and applied mathematical methods to process the data. The attendance of seminars by students has been analyzed in two educational forms: traditional learning (face-to-face classroom seminars were accompanied by autonomous paper work) and blended learning (face-to-face classroom seminars were accompanied by autonomous work on a specially created educational wiki website). …”
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  2. 17322

    Numerical Simulations and Control of Offshore Energy Harvesting Using Piezoelectric Materials in a Portal Frame Structure by Wagner B. Lenz, Mauricio A. Ribeiro, Rodrigo T. Rocha, Jose M. Balthazar, Angelo M. Tusset

    Published 2021-01-01
    “…Thus, using the current models for a portal frame in the literature and the spectrum of available energy in sea waves, a nonlinear mathematical model accounting for the coupling of a nonlinear piezoelectric material is considered. …”
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  3. 17323

    LMI Based Fuzzy Control of a Wing Doubled Fractional-Order Chaos by Bin Wang, Yuzhu Wang, Hongbo Cao, Delan Zhu

    Published 2015-01-01
    “…Furthermore, based on fractional-order stability theory and T-S fuzzy model, a more practical stability condition for fuzzy control of the proposed fractional-order chaos is given as s set of linear matrix inequality (LMI) and the strict mathematical norms of LMI are presented. Finally, numerical simulations are given to verify the effectiveness of the proposed theoretical results.…”
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  4. 17324

    Evaluation of effectiveness of resource-saving technologies in machine-building industry by S. S. Kudryavtseva, M. V. Shinkevich

    Published 2020-06-01
    “…The purpose of the article is to summarize the main trends in the implementation of resource-saving technologies at the enterprises of the machine-building complex of the economy and the development of a mathematical model to assess the effectiveness of the use of resource-saving systems. …”
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  12. 17332

    Performance Modelling of Dual Air/Water Collector in Solar Water and Space Heating Application by Viacheslav Shemelin, Tomas Matuska

    Published 2019-01-01
    “…In the present work, the detailed mathematical model of a dual air/water solar collector (DAWC) has been developed and experimentally verified. …”
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  13. 17333

    Experimental Snap Loading of Synthetic Ropes by C.M. Hennessey, N.J. Pearson, R.H. Plaut

    Published 2005-01-01
    “…The effects of the type of rope, drop height, drop weight, whether the rope has been subjected to static precycling, and the number of previous dynamic tests are examined. A mathematical model is proposed for the rope force as a function of the displacement and velocity of the weight.…”
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  14. 17334

    Toward location privacy protection in Spatial crowdsourcing by Hang Ye, Kai Han, Chaoting Xu, Jingxin Xu, Fei Gui

    Published 2019-03-01
    “…Our scheme is based on mathematical transformation to the location while providing privacy protection to workers and requesters. …”
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  15. 17335

    Identifying Initial Condition in Degenerate Parabolic Equation with Singular Potential by K. Atifi, Y. Balouki, El-H. Essoufi, B. Khouiti

    Published 2017-01-01
    “…This problem can be formulated in a least-squares framework, an iterative procedure which minimizes the difference between the given measurements and the value at sensor locations of a reconstructed field. The mathematical model leads to a nonconvex minimization problem. …”
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  16. 17336

    Modeling of Random Delays in Networked Control Systems by Yuan Ge, Qigong Chen, Ming Jiang, Yiqing Huang

    Published 2013-01-01
    “…In order to compensate for random delays which may lead to performance degradation and instability of NCSs, it is necessary to establish the mathematical model of random delays before compensation. …”
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  17. 17337

    Theoretical analysis of expansion process of wet water vapor in working chamber of piston long-stroke linear drive of compressor unit by A. A. Kapelyukhovskaya, G. I. Chernov, A. Yu. Gromov, A. M. Kalashnikov, V. I. Karagusov, A. M. Paramonov

    Published 2022-03-01
    “…The study is carried out on the basis of the developed mathematical model, which includes both the basic thermodynamic equations and the equations describing the process of heat exchange of the working substance with the walls of the working chamber during the expansion process. …”
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  18. 17338

    Some features of implementation of design model of high-pressure centrifugal compressor stage with inlet guide vanes by V. V. Karabanova, A. D. Vanyashov, V. L. Yusha

    Published 2019-06-01
    “…The analysis of implementation features of the mathematical model of a transonic centrifugal compressor stage with an input guide vanes (IGV) and a semi-open axial-radial impeller has been carried out. …”
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  19. 17339

    Adaptive weighted progressive iterative approximation based on coordinate decomposition. by Yushi Liu, Yan Wang, Chengzhi Liu

    Published 2025-01-01
    “…Numerical experiment results indicate that this vector decomposition technique is a critical mathematical operation for improving algorithm efficiency and precisely adjusting the shapes of curves or surfaces to approximate the data set.…”
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  20. 17340

    Investigation of applicability of Peng–Robinson and GERG-2008 equations of state of real gas for calculating properties of Freons for refrigeration machines and compressors by M. I. Sokolov, Yu. V. Kozhukhov

    Published 2021-03-01
    “…As a result of this work, data have been obtained to evaluate the accuracy of the Peng–Robinson and GERG-2008 equations of state for each of the three CFCs, to evaluate the effectiveness of these equations, and to provide recommendations for the calculation and application of these equations in the design and mathematical modelling of refrigeration machines…”
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