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排序方式: 共有45条查询结果,搜索用时 15 毫秒
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Motrenko Anastasia Simchuk Egor Khairullin Renat Inyakin Andrey Kashirin Daniil Strijov Vadim 《Multimedia Tools and Applications》2022,81(4):4877-4895
Multimedia Tools and Applications - The paper addresses the problem of human activity recognition based on the data from wearable sensors. Human activity recognition depends on a wide context of... 相似文献
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V. E. Vavilov A. A. Gerasin F. R. Ismagilov I. Kh. Khairullin D. R. Farrakhov 《Journal of Computer and Systems Sciences International》2017,56(2):268-274
A new method for the parametric stabilization of the AC output voltage of permanent magnetic generators (PMGs) is presented, the method is investigated, and its availability is shown. The research results were derived using the numerical methods by computer simulation with the Ansoft Maxwell software package. The core of the developed method is that the magnetic conductor of the generator stator at the design stage is made with such geometrical dimensions that its saturation is reached when the generator is idling. The artificial saturation of the magnetic conductor is carried out up to the value of magnetic induction at which the generator’s idling voltage is close to the rated value, due to the increased magnetomotive force (MMF) in the back of the stator and decreased MMF in the air gap. When connecting the load to the generator the MMF in the back of the stator decreases under the action of the magnetic field of the anchor and thus the PMG output voltage is stabilized. 相似文献
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The operation of diesel engines with nonsteady loads is considered. Numerical experiments are based on a model, a neural network, and test-bench data. 相似文献
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M. Kh. Khairullin M. N. Shamsiev E. R. Badretdinova A. I. Abdullin 《High Temperature》2012,50(6):774-778
A method is developed for interpretation of the temperature variation curves obtained simultaneously by means of several deep-laid measuring devices located at different sites of a horizontal part of an oil well. The method enables one to estimate the filtration parameters of a nonuniform oil reservoir and to plot the inflow profile along the horizontal wellbore. 相似文献
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M. Kh. Khairullin M. N. Shamsiev E. R. Badertdinova A. I. Abdullin 《High Temperature》2014,52(5):703-707
A mathematical model for describing thermohydrodynamic processes in a “vertical well-multibed deposit” system was developed. A method for determining the filtration and thermophysical parameters of a multibed deposit and flow rates of interlayers is proposed. The curves of changes in the bottomhole temperature in a vertical borehole that were measured after its startup are used as the initial information. 相似文献
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P. E. Morozov R. V. Sadovnikov M. Kh. Khairullin M. N. Shamsiev 《Journal of Engineering Physics and Thermophysics》2003,76(6):1364-1368
Numerical algorithms based on the theory of illposed problems are suggested for estimation of the filtration parameters of a bed using the results of hydrodynamic studies of vertical wells. These algorithms allow determination of the coefficients of compressibility, efficiency, and hydraulic conductivity of the critical and distant zones and interpretation of the results of the hydrodynamic studies with account for the dependence of the filtration parameters on pressure. 相似文献
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