The efficiency of catalytic reforming units with continuous catalyst regeneration (CCR) significantly depends on the availability of real-time product quality information. However, key quality indicators, including the research octane number (RON) and liquid product yield are determined by laboratory methods with a periodicity of 2 to 8 hours, creating a significant delay in the...
The article presents a comprehensive methodology for remote identification of the impact of military actions on the suitability of land for agricultural use, based on the integration of multispectral and radar satellite data, field observations, and machine learning tools. The key mechanisms of soil degradation induced by military factors are substantiated, including erosion...
The article examines the possibilities of applying geographic information systems (GIS) and remote sensing (RS) data to monitor the condition and efficiency of land resource use. The study is conducted using the territory of the Kakhovka Reservoir as a case study, which has undergone significant transformations because of disturbances in the hydrological regime. Based on Sentinel...
The article addresses the problem of improving radiation-contaminated area mapping using unmanned aerial vehicles (UAVs) as an element of environmental radiation monitoring. The relevance of the research is driven by the growing risks associated with nuclear accidents, damage to nuclear facilities, and the potential release of radioactive materials, which may result in large...
The article addresses the strategic transition of Ukraine from the obsolete Baltic Height System 1977 (BHS-77) to the European Vertical Reference System (EVRS). The objective of this work is to provide a comprehensive analysis of the prerequisites, challenges, and outcomes of preparing the national geodetic infrastructure for implementing European standards as of January 1, 2026...
Land management in practical terms involves changing land ownership rights or land-use regimes and is implemented through spatial development plans of territorial communities, as well as the approval of land management and urban planning documentation. Transformations in the land-use structure result in socio-economic and bio-physical changes. The evolution of public...
The development of the global energy sector based on fossil fuels leads to a significant increase in the concentration of carbon dioxide (CO₂) and other harmful substances in the atmosphere, causing negative impacts on natural ecosystems as well as human and animal health. The second major energy-related problem is associated with the influence of fossil fuels on global climate...
The article investigates the problem of increasing energy efficiency and ensuring the stability of quasi-resonant switched-mode converters (QRC) under dynamically changing load conditions. The operating circuit and loss calculation formulas have been selected. A comparative analysis of modern simulation environments was performed to improve real-time control algorithms. The...
This paper presents a modified recursive digital fuzzy controller for the outer roll stabilization loop of a quadcopter. In contrast to the conventional recursive digital controller, the proposed approach provides adaptive adjustment of the dynamic response through fuzzy tuning of the equivalent frequency parameter . At each sampling instant, the current value of is generated by...
The article is devoted to the process of parametric design and the transition to multiparametric design when determining the optimal geometry of the roller bed of a heavy electric machine, using the example of a turbogenerator. The author analyzed the current state of various aspects of the development and calculation of bearing assemblies of powerful various types of electric...
The work presents the synthesis of a detailed multiphysics visual-block model of a Peltier element, which comprehensively describes the thermodynamic, thermoelectric, and electrical processes occurring during its operation. Unlike simplified approaches, the model covers the full spectrum of physical phenomena, including heat losses, the mutual influence of temperature gradients...
To overcome the food crisis in the context of global climate change and military conflicts, new food technologies and improvements in their nutritional composition beaned sought and developed. Wheat grain production covers only about 55% of the total demand. Composite mixtures based on wheat flour for making bread are one of the ways to overcome the shortage of wheat to provide...
Food glazes are widely used in the production of confectionery and other food products. They are available in a wide range and with diverse formulations. Traditional components of glazes are increasingly complemented with innovative plant-based ingredients, which enrich them with valuable nutrients, serve as effective substitutes for synthetic E-additives, and improve their...
Cobalt ferrite is widely used in medicine, catalytic processes, electronic devices, sensors. When obtaining cobalt ferrite with certain characteristics, the task of choosing optimal technological schemes and synthesis conditions inevitably arises. The use of plasma technology, which is environmentally friendly, does not require additional reagents, and has a short duration of...
This paper addresses the problem of personalization of practical learning in digital educational environments, particularly in the context of IT education. It is shown that existing approaches to organizing practical tasks are fragmented, insufficiently formalized, and do not provide full integration of task generation, execution, and assessment processes, which limits the...
The efficiency of catalytic reforming units with continuous catalyst regeneration (CCR) significantly depends on the availability of real-time product quality information. However, key quality indicators, including the research octane number (RON) and liquid product yield are determined by laboratory methods with a periodicity of 2 to 8 hours, creating a significant delay in the...
The article addresses the current problem of the inefficiency of traditional knowledge assessment methods in higher education, which is often caused by data fragmentation and the limited ability of classical models to capture complex non-linear dependencies in the educational process. The authors propose a concept for an adaptive assessment system based on a stacking ensemble...
The article addresses the problem of adaptive route optimization in military logistics systems operating under dynamic and uncertain operational conditions. Modern military supply chains are characterized by rapidly changing environments, limited resources, damaged infrastructure, and increased security risks, which significantly reduce the effectiveness of traditional static...
Over the past three decades, agent-based modeling (ABM) has evolved from a peripheral methodological tool into a recognized research practice across a wide spectrum of scientific disciplines. However, traditional approaches to building agent-based models require significant programming competencies and a deep understanding of simulation frameworks, creating substantial barriers...
The rapid expansion of unmanned aerial vehicle (UAV) applications in military, civilian, monitoring, and logistics domains increases the requirements for resilience, continuity, and safety of their control systems. In real operating conditions, UAVs function in an uncertain environment characterized by stochastic disturbances, degradation of hardware and software components...
The proposed article is devoted to the study of the architecture of an information system for monitoring data from heat energy meters using Internet of Things (IoT) technologies. The implementation of remote monitoring systems for thermal energy consumption is currently one of the priority directions in energy management aimed at increasing resource efficiency and reducing...
The article addresses the critical challenge of ensuring the reliability of power electronics, specifically buck converters, by implementing a diagnostic methodology based on physically-informed digital twin technology. Unexpected failures in DC-DC converters lead to massive economic losses due to equipment downtime. Traditional diagnostic methods face significant limitations...
Presented in the article information is of scientific and methodical character. This paper presents the development of a subsystem designed for regression parameter estimation. The subsystem is an integral part of a simulation environment used to study transient behavior in Queueing Systems (QS). While the problem of determining regression function parameters for experimental...
The study is devoted to the problem of formalizing the model of information security violator. The model of information security violator is a mandatory component of comprehensive information protection systems in the digital space as an element of information security risk management. According to the risk-oriented approach, the violator model should be proactive, and should be...
The urgency of the research is driven by the growing requirements for the functional capabilities of modern bionic prostheses, which must ensure naturalness, smoothness, and high precision in reproducing finger movements in real-time. A promising direction for improving the non-invasive hand prosthesis is the development, within the framework of the functional bionic approach, of...