The paper presents a review and comparative analysis of modern artificial intelligence models suitable for real-time quality control of toroidal transformer winding. It is shown that existing AI solutions for transformer diagnostics and electronic product quality control are mainly focused on post-production (offline) analysis and do not address the specifics of the winding...
The paper presents a comparative analysis of two major heat pump technologies—air-to-water (ASHP) and ground-to-water (GSHP)—based on real operational data from systems installed in Ukraine. For a representative monitoring period, time series of thermal output, electricity consumption, source/sink temperatures, and control parameters were collected, enabling the calculation of...
The rapid development of unmanned aerial vehicles (UAVs), in particular quadcopters, requires ensuring high reliability and efficiency of their power supply systems. Since the duration of autonomous flight is strictly limited by battery capacity, accurate modeling of electrical energy consumption processes is crucial for predicting performance and optimizing system operation...
Information on the current state of protection of the DC contact network of urban electric transport and the subway is provided. It is shown that it is possible to increase the speed of automatic circuit breakers and their reliability when using short-circuit current tripping using a vacuum chamber. For forced arc extinguishing in a vacuum chamber, discharge methods of a pre...
Under unstable operation of Ukraine power infrastructure caused by numerous damages, the development of autonomous electric power generation systems based on renewable energy sources, in particular photovoltaic (PV) converters, has become increasingly relevant. These systems allow achieveing uninterrupted power supply to consumers under conditions of limited or completely...
The article covers the study of the methodology of providing electricity based on renewable energy sources for buildings with zero and almost zero energy consumption. It shows the importance of developing a methodology for modelling energy supply based on renewable energy sources. Within the framework of this work, the main principles and technologies of using renewable energy...
Multicopter unmanned aerial vehicles (UAVs) are widely used in both civilian and military applications, including aerial photography, power line monitoring, cargo delivery, agriculture, and combat operations. The reliability and efficiency of their power supply systems are critical for safe operation. Battery failures during flight, such as unexpected discharge or overheating...
Recycling of polymeric materials initiates following waste collection and comprises multiple processing stages: sorting, decontamination (washing), comminution, consolidation, and reprocessing. Within the context of mechanical plastic waste recycling, the decontamination stage represents a critical operation. The presence of contaminants can result in quality degradation of the...
Flour confectionery products, which are in constant demand among consumers, do not always meet nutritional science requirements. Their range is expanded by introducing innovative ingredients into the recipes, including those obtained from non-traditional raw materials. Among the technological methods used in the manufacture of flour confectionery products of increased nutritional...
This article presents a thorough investigation into the chemical composition, reaction mechanisms, and toxicological effects of various pyrotechnic smoke mixtures, with an emphasis on developing safer and environmentally friendlier formulations. Traditional pyrotechnic smokes, frequently composed of hexachloroethane, zinc chloride, and red phosphorus mixtures, generate hazardous...
This study examines the influence of ion-exchange strengthening parameters on the mechanical properties of soda–lime–silicate float glass. Chemical strengthening was performed in molten KNO3 at 350–475 °C for up to 6 hours. During ion exchange, larger K⁺ ions replace smaller Na⁺ ions in the surface layer, generating compressive stresses that reduce the impact of surface flaws and...
Excess sugar in foods can have adverse effects on human health. Therefore, it's important to develop food products with a low glycemic index. This is especially true for baked products, which are a daily part of the diet of many people not only in Ukraine but also in other countries. The use of sugar substitutes is one of the most widely known methods for lowering the glycemic...
The high cost of anode materials often constrains the application of electrolysis for sodium hypochlorite synthesis. The industry standard is mixed metal oxide anodes, also known as Dimensionally Stable Anodes (DSA), based on ruthenium dioxide (RuO2). DSA demonstrates high efficiency but relies on expensive platinum group metals and exhibits limited stability in dilute solutions...
The need to improve the effectiveness of management decisions in the context of challenges and competition requires modern enterprises to apply information technologies and progressive management methods. The Direct-Costing method, which is used in modern financial information systems and ERP systems, requires an effective algorithm for allocating auxiliary production costs. The...
A military-oriented Geographic Information System (GIS-M) is a typical dynamic and complex organizational system. The available GIS tools facilitate the effective preparation, processing, and visualization of spatial data, allowing the integration of various data sources and the analysis of spatial relationships between different factors. At the same time, GIS-M must remain...
The growing complexity of cyber threats, especially multi-vector DDoS attacks, together with the rapid increase and heterogeneity of network traffic, creates a clear need for intrusion detection systems that can remain effective under highly dynamic network conditions. This work is motivated by the observation that conventional IDS approaches often fail to provide timely and...
The State Service for the Quality of Education, together with the Ministry of Education and Science of Ukraine, pays special attention to studying the issue of the quality of education, the decline in the knowledge level of modern youth, and overcoming educational losses associated with the pandemic and war. The paper analyzes the previous experience of scientists working on the...
The article provides an overview of the information presented based on using of current large-scale models to analyze the headlines of financial news and the formation of an index of information sentiment using the method of reducing the brilliance financial data and improving the accuracy of further forecasting indicators. In the face of growing concerns about unstructured...
The article addresses the problem of systematizing existing NLP-based approaches used for automated test case generation. Despite the availability of different methods, there is still a lack of comprehensive comparison that would highlight their conceptual differences, and limitations. The need to clarify the structure of these approaches and evaluate their suitability for...
The article considers practical aspects of building a model for assessing the functional efficiency of employees in remote work using the FastTree machine learning method. The object of the study is the process of assessing the functional efficiency of personnel in remote employment. The problem lies in the lack of comprehensive and objective methods that can simultaneously take...
The article presents an information technology aimed at the dynamic optimization of multi-region cloud deployments through the combined use of latency metrics, CDN analytics, and region-specific cloud pricing. The purpose of the work is to enhance the efficiency of cloud infrastructures by enabling automated region selection that reflects the actual geographical distribution of...
The paper addresses the development and implementation of a high-performance hardware–software system for multilevel filtering of sensor measurements on an FPGA-SoC platform with an integrated ARM processor running the Linux operating system. The aim of the study is to ensure parallel processing of streaming sensor data at the edge level of IoT systems with minimal and...
This paper addresses the problem of building scalable, secure, and resource-efficient remote access environments for educational and research telecommunication laboratories. Traditional designs rely on static server configurations and tightly coupled network setups, which impede rapid provisioning and fine-grained isolation when multiple students work in parallel. The study...
This paper investigates the application of genetic algorithms for optimizing parasitic parameters of mathematical models of DC-DC buck and boost converters to create high-precision digital twins for hardware diagnostics. The research addresses a critical gap in power electronics where parasitic parameters (winding resistance, equivalent series resistance of capacitors, parasitic...
This study addresses the critical challenge of optimizing base station placement for 4G/5G mobile networks. The exponential growth in network load and stringent quality-of-service requirements necessitate the development of efficient infrastructure planning methods. The paper presents a comprehensive comparative analysis of the effectiveness of greedy and genetic algorithms for...