Browsing Статті з наукових журналів та збірок by Title
Now showing items 6-25 of 679
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An improved fault-tolerant algorithm for a gyroscopic sensors unit
(ХАИ, 2012)An improved fault tolerant algorithm is presented. Its mathematical models as well as its implementation are discussed in this work. The algorithm’s effectiveness has been proved by means of computer program and applied to ... -
Assessing the impact of the Russian war in Ukraine on covid-19 transmission in Spain: a machine learning-based study
(ХАІ, 2023)The paper describes the results of an experimental study assessing the impact of the Russian full-scale war in Ukraine on COVID-19 dynamics in Spain. The developed model showed good performance to use it in public health ... -
Backward interval mapping as the foundation of data coding algorithm based on chaotic recurrent fuzzy models
(ХАІ, 2004)In this paper we investigate the dynamic systems, which are represented by recurrent Takagi-Sugeno rule bases that are widely used in many applications. The algorithm that shows the chaotic behaviour of Takagi-Sugeno models ... -
Barriers of COVID-19 vaccination in ukraine during the war: the simulation study using arima model
(ХАІ, 2022)The purpose of the study is to develop a model of vaccination against COVID-19 in Ukraine and to study the impact of war on this process. The research is multidisciplinary and includes a sociological study of the attitude ... -
Chaotic behavior of Takagi-Sugeno recurrent models with Large-Scale time delay
(ХАІ, 2004)In this paper we consider the dynamic systems, which are represented by recurrent Takagi-Sugeno (TS) fuzzy rule bases. We found the conditions for the recurrent rule base with large-scale time delay that cause the ... -
Classification of the information integrity recovery methods in the systems of various complexity
(ХАІ, 2008)The main methods of data recovery are considered, the efficiency analysis according to the cost criteria, recovery speed and ability to apply it to various tasks was carried out. -
Comparative analysis of the machine learning models determining COVID-19 patient risk levels
(ХАІ, 2023)The COVID-19 pandemic has posed unprecedented challenges to global healthcare systems, emphasizing the need for predictive tools for resource allocation and patient care. This study delves into the potential of machine ... -
Comparative study of linear regression and sir models of covid-19 propagation in Ukraine before vaccination
(ХАІ, 2021)The study aims to develop machine learning and compartment models of COVID-19 epidemic process and to investigate experimental results of simulation. The object of research is COVID-19 epidemic process and its dynamics in ... -
Data pre-processing to increase the quality of optical text recognition systems
(ХАІ, 2021)The subject of study in the article is the formulation of a modern concept of improving the quality of work of optical recognition systems by using a set of various algorithms for preprocessing document images at the user's ... -
Development of educational portal based on mash up technology for international students
(ХАІ, 2011)This article discusses issues associated with the use of technology Mash up in creating an educational portal for international students. -
Development of Smart life support and monitoring system for indoor plants
(ХАИ, 2020)The article uses a decentralized automation system in which the main elements are the ESP8266 microcontroller (as a transmitter) and the Atmega328 microcontroller (as a data processing element). An application for a mobile ... -
Development of tools for information protection of optical text recognition systems
(ХАІ, 2022)The purpose of the work is to formulate the concept of creating a modern simple and reliable method for protecting information during its transmission over communication channels, to determine the objective criteria for ... -
Diagnostic models of inoperable states of the vortex energy separator device
(ХАІ, 2022)The object of study in the article is the vortex effect of temperature separation in a rotating gas flow, which is realized in small-sized vortex energy separators. The subject matter of this article is the process of ... -
Diagnostic support of an intelligent tutor system for teaching skills to solve algebraic equations
(ХАІ, 2021)The subject of research in this article is the process of analyzing the steps for solving algebraic equations using the Lobachevsky-Graeffe-Dandelen method. The goal is to model the process of solving algebraic equations ... -
Diagnostic support of intelligent tutor system for teaching skills to construct control object frequency characteristics
(ХАІ, 2022)This article describes a solution for learning how to build the method of frequency characteristics of the control object. -
Ensemble machine learning approaches for fake news classification
(ХАІ, 2023)This study develops an ensemble machine learning model for fake news classification. The research is targeted at spreading fake news. The research subjects are machine learning methods for misinformation classification. -
Formalization of tasks generation for complex of interactive web-tests on math
(ХАІ, 2021)The approach to the formalization of the generation of problem situations applicable to the development of tutoring programs consisting of many tasks is considered. The main errors arising during the software-based generation ... -
Identification of UAV model parameters from flight and computer experiment data
(ХАІ, 2021)The object of research in the article is various well-known approaches and methods of structural and parametric identification of dynamic controlled objects - unmanned aerial vehicles (UAVs). The subject of the research ... -
Impact of war on COVID-19 pandemic in Ukraine: the simulation study
(ХАІ, 2022)This article describes experimental studies of implementing the COVID-19 epidemic pro-cess model in Ukraine based on the polynomial regression method. The constructed model was sufficiently ac-curate in deciding on ... -
Implementation of the gravity search method for optimization by cost expenses of plans for multifactorial experiments
(ХАІ, 2023)This article explores the method of gravitational search for the optimal cost (time) cost plan for multifactorial experiments. The method uses the analogy of the motion of solid bodies due to their gravitational interaction. ...