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Controllability-Oriented Method to Improve Small-Signal Response of Virtual Synchronous Generators
Published 2025-07-01“…This paper presents a method for optimizing the inertia constants and damping coefficients of interconnected virtual synchronous generators (VSGs) using a genetic algorithm. …”
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642
Improving the Efficiency of Electric Rolling Stock Operation Through the Use of Adaptive Filtering Methods for High Harmonic Current Components in Traction Drive Systems
Published 2023-11-01“…The aim of this work is to investigate the efficiency of various adaptive filtering methods for higher harmonic components of stator currents in a vector-controlled traction drive system to improve the operation efficiency of electric rolling stock. …”
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Step-Stress Test Method for Electrical Life Model Based on Cumulative Damage Curve and Its Application in XLPE Cable
Published 2020-09-01“…The parameters of IPM model including voltage endurance coefficient (VEC) are the important basis for cable insulation design and pre-qualification test voltage selection. …”
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645
An Efficient and Low-Delay SFC Recovery Method in the Space–Air–Ground Integrated Aviation Information Network with Integrated UAVs
Published 2025-06-01“…The method first determines the recovery order of failed SFCs according to their recovery costs, prioritizing the restoration of SFCs with the lowest costs. …”
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646
Determination of the efficiency of single-photon emission computed tomography with 99mTc-HMPAO-labelled leukocytes in the diagnosis of myocarditis: Comparison of scintigraphic and...
Published 2016-03-01“…Objective: to determine the efficiency of single-photon emission computed tomography (SPECT) with 99mTc-HMPAOlabelled leukocytes in diagnosing myocarditis, by comparing scintigraphic and histological data.Material and methods. …”
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Econometric assessment of the level of development of balanced foreign economic relations in conditions of uncertainty
Published 2022-02-01“…The author uses entropy, statistical and econometric methods, including coefficient and regression analyses. …”
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Methodical bases of development of material support of troops (forces) outside the Russian Federation
Published 2019-12-01“…The main purpose of this research is to develop a methodological basis for material support of groups of troops (forces) on the territory of a foreign state in a military conflict.Materials and methods. The following methods are used: a systematic approach to the study and development of methodological foundations to improve the efficiency of material support of troops (forces) outside the Russian Federation; methods of economic analysis, analytical, statistical, logical, linguistic and graphical methods; applied general scientific and specific methods of substantiation of the concept: abstraction and concretization, historical and logical, as well as methods of graphic and mathematical modeling, factor analysis.Results. …”
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649
Method for the study of isomers with high energy and momentum values
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650
Determination of the Effects of Mineral on Seed Yield by Different Statistic Methods in Bread Wheat (Triticum aestivum L.) under Drought Conditions
Published 2018-12-01“…Thepurpose of this study is to determine the effect of minerals (N, P, K, Ca, Mg, S, Fe, Mn, Zn and Cu) on yield components by different statisticalmethods and this will help to understand efficiency of them in breedingprograms. …”
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THE METHODOLOGY OF ASSESSMENT OF ECONOMIC EFFICIENCY OF INNOVATIVE PROJECTS WITH VENTURE FINANCING BASED ON REAL OPTIONS METHOD WITH FUZZY SETS ANALYSIS
Published 2017-10-01“…All of this requires the development of the theory and methods for analysis of economic efficiency of innovations and determines the high level of fundamentality of the issue. …”
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The effect of the method of joining layers in two-layer fabrics on their physical and mechanical properties
Published 2024-09-01“…Filling drawings of these weaves are constructed, their coefficient of connectivity is determined. Testing of materials according to physical and mechanical properties was carried out in accordance with standard methods, resulting in the values of breaking load, tensile elongation, abrasion resistance, fabric thickness, breathability and shrinkage during the final finishing being determined. …”
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Determinação do coeficiente cultural (Kc) do feijoeiro (Phaseolus vulgaris L.), em Campos dos Goytacazes, RJ Determination of the crop coefficient (Kc) for common bean (Phaseolus v...
Published 2007-10-01“…<br>The evapotranspiration of a crop is one of the main information required for proper irrigation management and to develop an efficient water usage plan. Among the methods to estimate the amount of water that is consumed by plants, the use of crop coefficients (Kc), associated with estimates of the reference evapotranspiration (ETo), stands as one of the most promising. …”
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658
Estimation of S-parameters and dielectric permittivity of quartz ceramics samples in millimeter waveband
Published 2021-11-01“…A modified Nicholson – Ross – Weir method was used to determine complex parameters and dielectric permittivity of ceramic materials in the range 78.33–118.1 GHz. …”
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659
Ring-like Bright Monster Waves in Variable-Coefficient Partially Nonlocal Coupled NLS Equations with Directional Diffraction and External Perturbations in (3+1)D
Published 2025-03-01“…Partially nonlocal (PNL) variable-coefficient nonlinear Schrödinger equations (NLSEs) represent a significant area of study in mathematical physics and quantum mechanics, particularly in scenarios where potential and coefficients vary spatially or temporally. …”
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Research lift coefficient on the distance between the revolving cylinders a turbulent stream
Published 2020-03-01“…The aerodynamic characteristics of the cylinders with diameters 10 cm in diameter, that is the rotary motion, is determined by the maximum value with the coefficient of lifting force and the frontal impedance coefficient. …”
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