Browsing Статті з наукових журналів та збірок by Title
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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 ... 
Mathematical model of PV module with pulse width modulation control
(ХАИ, 2015)The paper describes a mathematical model of solar photovoltaic power plant with a PWM (Pulse Width Modulation) regulator matching between the PV arrays and loads. For controling of regukator which retains the power plant ... 
Maximum power point tracking method for subsatellite solar power working under partially shaded conditions
(ХАИ, 2016)The objective of this work is to study the features of the Maximum Power Point Tracking (MPPT) for subsatellite solar power under partial shading condition of its panels. Subsatellite power system operates in parallel ... 
Method of information technology for structure analysis of urban network firerescue units
(ХАІ, 2023)The subject of this study is the process of analyzing the structure of the network of firerescue units of the city in the context of optimizing their spatial distribution. The purpose of this work is to increase the ... 
Methods of photovoltaic power control mode
(ХАИ, 2015)This paper gives an overview and classification of modern methods maximum power point tracking for the solar photovoltaic systems. Considered methods are briefly described. Advantages and disadvantages of each method are ... 
Modified hill climbing maximum power point tracking control method for satellite electrical power supply system
(ХАИ, 2017)The increasing of efficiency of the satellite electrical power supply system (PSS) is important engineering task. Modern satellite PSS widely use DCDC converters under pulsewidth controlling. Existing methods of maximum ... 
Nonemission electron source with high frequency ionization
(ХАИ, 2012)Mathematical model of the processes in inductive high frequency sources of plasma and electrons is represented in single component magnetic hydrodynamics approximation. Equations are written in twodimension form in the ... 
On estimates of coefficients of generalized atomic wavelets expansions and their application to data processing
(ХАІ, 2020)Discrete atomic compression of digital images is considered. It is a lossy compression algorithm. The aim of this paper is to obtain a mechanism for control of quality loss. 
Progress in electric propulsion numerical simulation
(ХАІ, 2023)This paper outlines efforts to develop models of various electrical propulsion concepts, from the first attempts in the early 90s to the latest sophisticated multidimensional simulations.