Browsing Статті з наукових журналів та збірок by Title
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A genetic algorithm of optimal design of beam at restricted sagging
(ХАІ, 2022)A genetic algorithm for solving the problem of optimal beam material distribution along length at a given restriction on maximum sagging value is suggested. A review of literature sources is conducted and it was shown ... 
A review on the topology optimization of the fiberreinforced composite structures
(ХАІ, 2021)The article provides a comprehensive overview of the topological optimization of the designed composite structure. A promising direction is the combination of topological optimization with additive manufacturing methods. ... 
About the Kyiv school mathematicians contribution to the extrema of functions of many variables theory
(KhAI, 2024)The subject of this article is the study of Kyiv school mathematicians’ contribution to the many variable extrema function theory. The purpose of this article is to study the work of Kyiv mathematician Professor M. Ye. ... 
Analysis of pollutants in air within the territory of Ukraine using geostatistical methods
(ХАІ, 2023)Air quality has recently been of great concern, as it directly affects people's lives. Continuous monitoring of atmospheric air quality and forecasting the dynamics of its changes are essential steps in assessing its current ... 
Application of dynamic programming approach to computation of atomic functions
(ХАІ, 2021)The special class of atomic functions is considered. The functions considered are used in discrete atomic compression (DAC) of digital images. The algorithm DAC is lossy and provides better compression than JPEG, which is ... 
Application of the generalized Taylor – Birkhoff series for solving of the initial value problem for ordinary differential equations
(ХАИ, 2018)In this paper we propose application of the modified generalized Taylor – Birkhoff series, based on the atomic function up(x), for solving of the initial value problem for the ordinary differential equations and systems ... 
Atomic functions and their generalizations in data processing: function theory approach
(ХАІ, 2018)This paper is devoted to the fundamentals of applications of some atomic functions and their generalizations in data processing and data reduction. In this paper, we consider the main properties of these functions from the ... 
Atomic wavelets
(ХАІ, 2012)The problem of existence and construction of the atomic wavelet system, which consists of infinitely differentiable functions with a compact support, is considered. Formulas for evaluation atomic wavelets are obtained. Examples ... 
Designing the set of flight experiments for exploration of critical flight conditions in case failure and damage of lifting and control aircraft components with a point of view of systems approach
(ХАИ, 2018)The features of design of flight tests for research of critical flight modes in case of failure and damage of lifting and control aircraft units with the help of freeflying dynamically similar models are analyzed; ... 
Discrete atomic compression of digital images
(ХАІ, 2018)The subject matter of this paper is the discrete atomic compression (DAC) of digital images, which is a lossy compression process based on the discrete atomic transform (DAT). The goal is to investigate the efficiency of ... 
Discrete atomic compression of digital images: almost lossless compression
(ХАІ, 2019)In this paper, we consider the problem of digital image compression with high requirements to the quality of the result. 
Energy depozition and sufrace analysis of the SPT20M17 hall effect thruster
(ХАИ, 2010)As a way to analyse the plasmawall interaction, the electron energy deposition has been calculated at different points of the ceramics delimiting the plasma discharge of a Hall effect thrusters. The calculation takes into ... 
Estimation of necessary wing loading of a missile
(ХАІ, 2021)This article is dedicated to the development of a missile wing loading estimation technique that provides minimal propellant mass fraction and total mass of an aircraft while meeting tactical requirements. 
Experimental modeling of satellite solar power system based on pulse width modulation controlled boost converter
(ХАИ, 2017)The object of this work is the experimental confirmation of the properties of the satellite solar plant based of photovoltaic (PV) converters with a DCDC Converter controlled by pulsewidth modulation (PWM) device for ... 
Finding antiderivatives with the help of the generalized Taylor series
(ХАИ, 2016)Finding antiderivatives of the given functions is an important component in a number of problems of applied mathematics. Difficulties occur in a case when the antiderivative in question cannot be expressed in terms of ... 
Formalizing the land inventory process for information support of land projects management
(ХАІ, 2022)The subject of study in this work is the land inventory process. The work increases the efficiency of the land inventory process by finding the possibility of reducing the amount of topographic surveying work by algorithmizing ... 
Green's functions of the first and second boundary value problems for the laplace equation in the nonclassical domain
(ХАІ, 2022)The subject of study is the Green's functions of the first and second boundary value problems for the Laplace equation. The study constructs the Green's functions of the first and second boundary value problems for the ... 
Information technology for analysis of waste management objects infrastructure
(ХАІ, 2022)The subject of study in this article is the process of analyzing infrastructure objects for waste management. The current article increases the objectivity of waste management infrastructure objects estimated by developing ... 
Mask generator for orthogonal regular mesh
(ХАІ, 2020)A SolidWorks application has been developed that allows for volumetric visualization. In the decisive program, the information about the presence of the volume mask is used as follows: the volume mask is excluded from the ...