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Технічна інженерія
ISSN 2706-5847 · Zhytomyr Polytechnic State University · 521 articles in the index
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Journal Article
The impact of drilling and splitting operations on the quality of extracted natural stone blocks
This article examines the impact of drilling operations on the quality of commercial products at a quarry specializing in the extraction of block-sized raw materials, from the perspective of controlled rock mass fragmentation and ensuring stable commercial characteristics of natural stone. The main…
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Journal Article
Methodological principles for selecting 3D measurement technology to determine the volume of natural stone blocks
This article presents the main results of an experimental comparison of modern remote sensing technologies for determining the volumes of natural facing stone blocks in a quarry storage yard. The aim of the study is to evaluate the accuracy, time efficiency, and technological limitations of three…
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Journal Article
Justification of technological solutions for methods of prediction and control of deposits in trunk pipelines
To substantiate technologically and economically viable methods for predicting deposit formation kinetics and implementing integrated control strategies in trunk pipelines, with emphasis on coupling predictive modeling, preventive inhibition, thermal/hydrodynamic optimization, and mechanical…
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Journal Article
Selection of the optimal UAV georeferencing method to ensure high-precision photogrammetric processing
In recent years, there has been growing interest in photogrammetric data, specifically surface imaging performed using UAVs. This topic is particularly relevant for mining enterprises that cover large areas. Due to the continuous development of the mining industry and the increasing complexity of…
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Journal Article
Analytical assessment of Ukraine’s decorative stone reserves by rock type, colour, and degree of geological exploration
The article presents an analytical assessment of Ukraine’s decorative stone reserves by rock type, colour characteristics, and degree of geological exploration. The relevance of the study is обусловлена the need to establish a scientifically grounded information base for rational subsoil use…
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Journal Article
Quality assessment of medical diagnostic images restored after compression using the JPEG2000 method
Evaluation of the quality of medical diagnostic images restored after compression is a critically important task in the development and validation of methods and algorithms for compression, transmission, archiving and preprocessing of information in medical information systems. When analyzing lossy…
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Journal Article
Theoretical foundations of building a microprocessor information and measuring system for controlling microclimate parameters in printing production
The article examines the theoretical foundations for constructing a microprocessor information-measurement system (IMS) for monitoring microclimate parameters in printing production. An analysis of the influence of temperature and relative humidity on print quality was carried out: humidity…
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Journal Article
Empirical analysis of energy efficiency of heating technology based on electric boilers with time-of-use tariffs and thermal energy storage
This article substantiates the feasibility of employing electric boilers in conjunction with thermal storage units to optimize electricity consumption under zonal tariffs. It emphasizes the necessity of accounting for structural and insulation parameters during system design. The concept of…
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Journal Article
Analysis of the influence of changing hydraulic load on the mechanical characteristics of a centrifugal pump with an asynchronous electric drive
The article analyzes the influence of changing hydraulic load on the mechanical characteristics of a centrifugal pump with an asynchronous electric drive. Measurement of such mechanical characteristics is carried out in the operating conditions of centrifugal pumps. Asynchronous electric drives are…
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Journal Article
Assessment of the speed and reliability of an information and measuring system with adaptive tuning of data transmission and processing methods
The problem of assessing the quality indicators of an information and measuring system as quantitative characteristics of its properties (speed, transmission delay, reliability, integral reliability, noise immunity) is considered. These quality indicators are essential for measuring the mechanical…
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Journal Article
Patterns of change in accuracy and metrological reliability of pressure gauges for measuring steam pressure in vacuum evaporators
This article presents the results of a full-factorial experiment investigating the patterns of change in the accuracy and metrological reliability of pressure gauges used in vacuum evaporators in the food industry. Current trends in the development of the food industry are analyzed, and the…
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Journal Article
A method for improving the clarity of fine details of biomedical images using graph enhancement
Improving the quality of biomedical images is critically important for ensuring reliable visualization of anatomical structures and pathological changes, which directly affects the accuracy of diagnosis. Improving contrast, reducing noise, and enhancing informative details contribute to more…
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Journal Article
Cross-layer IoT security using radio frequency fingerprinting and lightweight cryptography
The paper discusses the results of research on a security protocol for IoT devices in an LPWAN environment. To test the hypothesis, a hybrid protocol using radio frequency fingerprinting (RFF), TESLA, and the lightweight Ascon-128a encryption method was developed and verified. Experimental results…
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Journal Article
A fast method for improving the interference immunity of telecommunications equipment
The paper proposes a fast method for improving the interference immunity of telecommunications equipment by reducing powerful masking interference in an adaptive antenna array with a synchronously controlled antenna array directivity pattern. The principles of synchronous control of the antenna…
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Journal Article
Analysis and ways to optimize the infrastructure of wireless Mesh networks for smart home systems
The article is devoted to the comprehensive analysis and optimization of the infrastructure of wireless Mesh networks for «smart home» systems, which is a relevant task in the context of the rapid development of the Internet of Things (IoT) and the mass implementation/domination of the Matter…
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Journal Article
Using of single-frequency synchronous digital radio broadcasting networks DAB+ for highways coverage
The use of single-frequency synchronous networks in the practice of digital television and sound broadcasting is quite common. The deployment of such a network type allows for obtaining large coverage areas with broadcasting services while effectively using the frequency resource. Taking into…
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Journal Article
A hybrid edge-cloud architecture for time series processing in telemedicine IoT systems
This paper proposes a hybrid edge-cloud architecture for processing time series data in telemedicine IoT systems based on wearable devices. The relevance of the study is driven by the need to ensure efficient, low-latency, energy-efficient, and scalable analysis of large volumes of biomedical data…
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Journal Article
A method for analyzing service survivability of an information system on a mobile platform under cascading disruptions
The article examines the problem of analyzing the survivability of services in an information system deployed on a mobile platform under cascading disruptions. The relevance of this problem is driven by the dynamic availability of computing, network, and energy resources, intermittent connectivity…
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Journal Article
Modeling of hydrogen combustion in internal combustion engines of road transport
Harmful emissions from road transport consuming fossil fuels encourage humanity to use alternative fuels. Ukraine is seen as a promising producer of «green hydrogen», i.e. hydrogen, which is produced from water by electrolysis and uses electricity from renewable sources for this. Hydrogen, as an…
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Journal Article
Charging infrastructure load forecasting models for planning and optimizing technical service bases
The rapid growth of the share of vehicles with electric traction makes it necessary to review approaches to the design and operation of production and technical bases of road transport enterprises. One of the key elements of such bases is the charging infrastructure, the parameters of which…