In the current conditions of development of the agricultural sector of Ukraine, especially in the context of post-war recovery, the relevance of implementing highly efficient technologies for growing vegetable crops in closed soil is increasing. One of the key factors in successful greenhouse production is the rational use of artificial lighting, in particular LED phytolamps with...
PLCs are the core of most industrial automation systems (IAS). Modern IAS development emphasizes hardware unification and increased software significance. Remote PLC programming boosts efficiency by reducing time and travel costs, while supporting advanced training. Using safety controllers in the example of IAS, this paper presents hardware and PLC-specific software tools...
The paper considers the process of electroslag melting in the stationary type current-carrying crystallizer with a power supply connection scheme in which the power supply terminal of the current-carrying section of the crystallizer is connected to the terminal of the pallet. This connection of the crystallizer to the power source ensures high productivity of the melting process...
Modern information technologies require appropriate power supply systems to function efficiently. Therefore, it is relevant to conduct research that enables the implementation of semiconductor power converters for information technology devices with high operational performance and minimal financial costs. The operational specifics of information technology devices imposes...
Discrete-one-time voltage regulation by switching the appropriate taps of the power transformer and correspondingly changing its transformation ratio is the most common and obvious way to achieve the desired results. The synthesis of such voltage regulation actuators is based on a combination of multi-winding transformers and switches. The effect of the internal resistance of the...
The article discusses the development and research of a hardware complex for combating the Varroa destructor mite in honey bees by using controlled thermal infrared (IR) radiation. The basis of the design solution is the morphological vulnerability of the parasite, in particular the gnathosomes and the ventral part of the body, to elevated temperatures in the range of 42-45 °C...
The impact of military operations on freshwater resources and water infrastructure was analyzed. The results of the analysis showed that many water structures, including dams on reservoirs, water supply and water purification systems, and underground mines, were damaged or are under threat from military operations. The course of the protracted war in Ukraine requires increased...
In the context of escalating global environmental issues and increasing quality and safety requirements for food products, the effective use of recycled polyethylene terephthalate (PET) is becoming highly relevant. Recycling polymer waste is considered an important tool for sustainable development that combines economic efficiency, resource conservation, and environmental...
The aim of this work was to establish the feasibility of using wild plant fruits as raw materials for the production of functional foods. The objects of research were the fruits of wild cranberries, viburnum, chokeberry (chokeberry) and sea buckthorn. Organoleptic and physicochemical methods of analysis were used in the study. In the organoleptic evaluation of fresh fruits, their...
Photocatalytic degradation of polymeric materials in the presence of oxide material additives is a promising direction to reduce environmental pollution. The electrochemically synthesized composition consisting of Cu/Cu2O/CuO microparticles is chemically stable. Тhe ability to regulate the electrolysis conditions allows to vary its phase composition and crystal structure. The...
The study explores the alkaline treatment of wheat straw aimed at extracting its polysaccharide fraction for subsequent conversion into liquid biofuel. Wheat straw harvested in 2024 from the Kyiv region of Ukraine was used as raw material. The research is grounded in the understanding that lignocellulosic biomass represents one of the most promising sources of renewable carbon...
ON THE EXAMPLE OF THE BROOKLYN BRIDGE This paper examines the impact of the September 2021 reconstruction of the Brooklyn Bridge in New York City, which introduced a separated bicycle lane, on urban cycling flows. To evaluate the causal effect of this intervention, we employ a combined methodological approach: Seasonal Autoregressive Integrated Moving Average (SARIMA) models for...
The relevance of this study is driven by the critical damage to water supply infrastructure in the de-occupied territories of Ukraine, which creates acute risks of anthropogenic contamination of water resources and highlights the inefficiency of traditional monitoring methods. The core problem lies in the absence of an integrated software platform capable of ensuring the rapid...
In the current context, especially for large enterprises in Ukraine operating under external aggression from Russia, the choice of optimal cloud service platforms (CSPs) becomes critically important for ensuring the stability, security, and efficiency of business processes. The article presents a mathematical model for enterprise CSP selection based on the integration of fuzzy...
In contemporary education, there is a growing demand for scalable and personalized tools that can automate practical task creation, while preserving academic integrity. An analysis of recent studies has shown that existing domain-specific languages (DSLs) used in an educational context have a number of limitations, are mostly focused on the macro level (courses, virtual...
The development of modern network systems is one of the top priorities in today’s IT field. The vast majority of new systems are network-based. One of the most promising directions is the Internet of Things (IoT), which offers numerous advantages and distinctive features compared to traditional centralized client–server architectures. The rapid evolution of IoT has become...
This paper presents a context-aware model for information-security risk assessment in Internet-of-Things (IoT) environments, built on Mamdani-type fuzzy logic. Unlike traditional deterministic schemes, the model couples device-level attributes with operational context, enabling robust reasoning over incomplete, vague, and conflicting evidence typical of dynamic IoT networks. The...
This paper presents an experimental, reproducible study of an event-driven (listener-based) approach for embedded control in drone swarms, contrasted with the classical cyclic polling used to monitor system states. Cyclic checks increase processor load, waste energy, and degrade scalability as agent count or mission time grows. To isolate the effect of the waiting mechanism...
This paper presents a systematic methodology for applying correlation analysis to optimize the architecture of graphical user interfaces (GUI) in software systems. The research addresses the gap in formalized quantitative approaches for evaluating the efficiency of UI design parameters and their impact on user performance in industrial and control systems. To address this...
The medical analysis of ECG is based on visual examination by cardiologists, which is a subjective and labor-intensive process and includes the factor of human error. With the advent of analysis based on artificial intelligence systems or algorithmic data processing, systems for classifying cardiogram data have emerged. A properly pre-processed signal is a very important...
It is discussed in the article how to analyze digital footprints (DF) in the information and educational systems of higher education institutions (HEIs). A multilevel model of digital footprint analysis is proposed, which is aimed at improving the level of information security (IS) of a higher education institution by combining methods of clustering behavioral profiles, Bayesian...
Breast cancer remains one of the most common diseases among women. Timely diagnosis will help reduce mortality rates and reduce treatment costs, as the longer the disease remains undiagnosed, the cost of treatment increases more. The article proposes an approach to creating a portable device based on the FPGA system. This device can be used at home, without the need to make an...
The rapid expansion of the Internet of Things (IoT) has resulted in billions of battery-powered devices, making energy efficiency a critical factor for their usability. Ensuring long-term autonomous operation without reducing performance or communication reliability is a complex challenge, since most traditional optimization methods rely on static strategies and fail to address...
The aim of this research is an educational robotic cell with an ABB IRB 120 that unifies the needs of university teaching and industrial training into a single modular and robust solution. The concept is based on a reconfigurable frame, standardized interfaces, and a design that prioritizes ease of part fabrication and maintenance. By leveraging a digital twin in ABB RobotStudio...
In the theory of developing military geographic information systems (MGIS), a leading role belongs to cartographic information, its measurement, and the information characteristics of these systems. To define these aspects, it is proposed to consider the figurative-sign model of the map as an “information channel”, which represents a system or environment for registering...