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 technological parameters of drill-and-split separation – depth, drilling spacing...
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 main modern approaches: aerial photogrammetry using UAVs (UAV, SfM/MVS), mobile...
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 remediation to ensure reliable long-distance multiphase hydrocarbon transport under...
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 technological processes, the importance of remote methods for collecting spatial...
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, increasing the investment attractiveness of deposits, and advancing the stone extraction...
The paper presents the methodological and practical aspects of integrating unmanned aerial vehicle (UAV) survey data (UAV photogrammetry) with traditional mine surveying geodetic monitoring of underground mining workings. The relevance of the study is determined by the need to increase the efficiency and spatial density of observations of ground surface deformation under...
The article investigates the justification of aerial survey parameters using unmanned aerial vehicles (UAVs) for geodetic support of mining operations in open-pit conditions. The relevance of the study is determined by the need to improve the accuracy, efficiency, and economic feasibility of topographic and geodetic works in the context of intensified mining activities and the...
The modern oil refining industry faces increasing demands for energy efficiency, product quality, and environmental compliance. Conventional process control strategies, often based on linear models and periodic optimization, are insufficient to handle the complexity and dynamics of contemporary refining units. This article explores the application of digital technologies...
The article presents the results of testing an integrated method for monitoring deformations of technogenic waste dumps and quarry slopes, combining terrestrial laser scanning (TLS), GNSS measurements in RTK mode, and total station observations using an electronic total station (ETS). The study aims to verify the accuracy, repeatability, and practical applicability of the method...
The article is dedicated to the development and justification of optimal technical and logistical parameters for transporting monolithic blocks of natural stone (granite, gabbro, labradorite) with a mass of 15–30 tons over the first leg of the logistical chain – from the quarry face to a hard-surface road or directly to the stone processing plant (unpaved roads 2–3 km long) under...
The facilities of Kryvyi Rih mining enterprises occupy vast areas, which makes their monitoring time‑consuming and requires significant material resources. Modern remote-sensing methods improve the efficiency of such work not only by reducing the time needed for data acquisition, but also by increasing the accuracy of the obtained results and ensuring the safety of measurement...
The paper examines the assessment of landslide slope safety during drilling and blasting operations aimed at eliminating rockfall along the Bilovartsi – Dobrianske – «Oblazy» road section. A calculation of the intensity of seismic blast waves and shear stresses in the soil mass of the slope is presented. It is shown that, when the recommended blasting parameters are followed, the...
The presented materials describe a method for analysing a person’s psycho-emotional state using Chua’s circle, which treats the skin as an element of a dynamic chaotic system. Unlike traditional resistance measurements, this approach captures topological changes in signals, where stress or arousal causes a transition from complex chaos to ordered periodic oscillations. The paper...
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 compression methods and algorithms for static and dynamic medical images, it is...
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 deviations exceeding ±5 % RH cause linear paper expansion of up to 0.5 % and ink...
The paper solves the problem of improving unmanned aerial vehicle navigation under electronic warfare conditions, sensor-channel degradations, and non-Gaussian disturbances. A residual neural Kalman filter is proposed in which a neural network module produces a residual state correction together with an interpretable sensor-trust vector for adaptive tuning of the measurement...
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 integrating electric heating element (EHE) blocks directly into the thermal storage unit’s...
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 widely used in pumping units in the water supply system. To assess the parameters...
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 parameters of a liquid in closed tanks by a distributed information and measuring...
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 importance of pressure measurement accuracy in the technological processes of heat...
A removable module design has been proposed to enable the transportation of containers in open wagons. The module is mounted on an open wagon through fitting stops and ensures uniform load transfer to its floor. Since the floor of the open wagon can be formed by hatch covers, the study highlights the features of experimental determination of the strength of the hatch cover when...
The article considers the current problem of increasing the objectivity and efficiency of quality control of natural stone facing products by applying digital image processing methods. Traditional approaches to quality assessment based on visual inspection are characterized by subjectivity and low reproducibility of results, which necessitate the introduction of automated...
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 reliable image analysis by both doctors and automated data processing systems. The...
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 were obtained on 8 and 32-bit controllers, on the arm64 platform. This approach to...
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 array directivity pattern without the use of additional reception channels are...