Phototherapy is a non-invasive method of influencing biotissues with non-ionizing radiation, realizing its effects through photobiomodulation and photodissociation processes. In the near-infrared (NIR) range, photon energy can alter the state of hemoglobin, modifying blood oxygen saturation (SaO₂) by partially breaking the Fe–O₂ bond in the heme molecule. The relevance of this...
The article is devoted to the current problem of automating the assessment of the quality of rescuers' actions during cardiopulmonary resuscitation (CPR) of injured people in out-of-hospital conditions. The assessment of the correctness and effectiveness of the actions of lay rescuers performing CPR of injured people directly at the scene of the accident before the arrival of...
The paper addresses the urgent scientific and technical problem of automating crop care processes within the framework of the Precision Agriculture 4.0 paradigm. The primary objective of the study is to develop the architecture and investigate the efficiency of a cost-effective cyber-physical system (CPS) for autonomous crop monitoring and targeted physical destruction of weeds...
This article provides a review and analysis of recent publications in the field of industrial automation applied to wafer-baking technologies. Based on this analysis, key characteristics of existing automation systems were generalized, and promising directions for further research were identified. Particular attention is devoted to the analysis of the tunnel oven as a control...
The article focuses on the key property of such information and measurement systems (ISS), namely: the ability to give stable results under changes in conditions and performers. After all, it is reproducibility that determines the credibility of the measured parameters and the possibility of their practical use. The formulation of the problem of the article was based on the fact...
Due to the constant increase in tariffs for resources, in particular water, the problem of their savings has become even more relevant than before. But what savings can there be without accurate accounting? Precise flow measurement, especially in large-diameter pipes, is a very important task, since even small errors lead to the omission of significant volumes of fluid passing...
This paper presents the design, development, and experimental validation of a multi-stage AC current source with amplitude stabilization, specifically created for MEMS microheaters with grounded load in 3-omega gas sensing applications. The proposed system is based on a Raspberry Pi Pico microcontroller, an external R-2R ladder digital-to-analog converter, cascaded inverting...
The article presents a mathematical model of a multilayer microwave absorbing system based on metamaterials, aimed at effectively reducing the reflection coefficient of electromagnetic waves in the 2–18 GHz frequency range. The study highlights the relevance of developing thin and low-cost materials with broadband absorbing properties that are significant for both civilian and...
Scientific and technical literature indicates that over the course of several decades, technologies for growing gallium antimonide have been improved and its properties have been comprehensively studied. Taking into account the obtained results of research into the properties of GaSb, developers consider it a material with enormous potential for creating devices with a variety of...
In the practice of scanning microscopy, it is increasingly necessary to measure the nanorelief of metallized samples in liquid media, where the choice of conductive solution for the cell directly affects the stability of feedback, noise level and the correctness of height reconstruction. At the same time, it is known that in liquids, the accuracy of measurement by atomic force...
The air gap (AG) between the stator and rotor of the hydrogenerator (GG) has a strong influence on the formation of the electromagnetic field of the machine, therefore its nominal value must be maintained with high accuracy. Deviation of this value can cause a decrease in the dynamic stability and reliability of the unit. Therefore, there is a need for constant monitoring of the...
The paper presents a hybrid method for segmenting 3D point clouds for the calibration of cylindrical horizontal tanks, combining RANSAC and DBSCAN algorithms with subsequent boundary refinement based on local geometric features. Analysis of prior research indicates that RANSAC is effective for detecting cylindrical surfaces but sensitive to noise, while DBSCAN excels in...
This paper presents approaches to assessing bone tissue changes before and after osseointegrative prosthetics using modern information and measurement technologies. Particular attention is paid to a comprehensive analysis of the state of bone structures at different stages of osseointegration, which allows for a deeper understanding of the processes of tissue remodelling under...
Photoplethysmography (PPG) is a promising technology for assessing the cardiovascular system's condition due to its ability to analyze changes in blood volume within the microvascular bed. Beyond standard parameters such as heart rate and blood oxygen saturation, the pulse wave shape in PPG signals contains additional valuable information that can be utilized for assessing heart...
The paper considers the actual problem of improving neural network models for the classification of cardiovascular pathologies by compressing the information contained in electrocardiographic (ECG) signals. Due to the active implementation of artificial intelligence in medical diagnostics, the study focuses on creating a reduced ECG feature vector that allows for a significant...
Modern global challenges that have arisen as a result of military operations, associated with the presence of severe injuries, in particular the loss of normal functioning of limbs, require the use of automated technical devices and systems that help the patient restore the ability to move. In addition, severe infectious diseases that accompany the existing conditions of human...
Introduction. Glaucoma is an ophthalmological disease that is detected at birth or during life, where its development without treatment leads to severe consequences - blindness. Cases of partial or complete loss of visual functions in children due to increased intraocular pressure (IOP) are increasingly being detected, and this figure is constantly increasing in Eastern European...
Artificial intelligence is often understood as a specific algorithm or an ensemble of machine learning models that enable solving applied problems of various kinds, most often characterized by inherent nonlinearity, while considering the specifics of the research domain and the possibility of applying non-trivial approaches. One such task is the generation of new objects or...
The article is a comprehensive study of the current state and development trends of computer-aided design (CAD) systems for measuring parameters of fluid media. The main focus is on the analysis of specialized software products for automated design of flow measurement systems and flow meters. The analysis of the functional capabilities of widely used CAD software products...
This study develops and tests a method for improving the stability of a quadruped walking robot during straight-line motion by upgrading its control algorithms. Such robots are widely used in military applications, rescue operations, construction, industry, research, and even daily life. Ensuring stability during movement is a critical issue for all types of walking robots, but...
The problem of effectively placing components in an automated warehouse is key to enhancing the productivity of logistical processes and meeting modern requirements for order fulfillment speed in the context of Industry 4.0. Traditional storage approaches—including ABC analysis and single-objective optimization based on the popularity of components—often lead to an uneven...
The issue of reliable and accurate natural gas metering is critically important in the context of the ongoing transformations in the gas transmission and distribution systems of our country. These transformations are associated with a decrease in gas transportation volumes, industrial decline, a shift of consumers to alternative energy sources, and other structural changes in the...
Accurate measurement of the flow rate and volume of natural gas is one of the key factors for improving the efficiency of technological processes and production. Bell-type flow measurement systems are widely used for the metrological verification and calibration of gas meters due to their high accuracy in reproducing flow and volume units. However, the gas meter verification...
This study presents the results of the development, calibration, and testing of an experimental prototype of a portable system for determining nitrate concentrations in water based on multispectral ultraviolet analysis combined with machine learning algorithms. The urgency of the problem lies in the widespread nitrate pollution of natural and drinking water caused by excessive...
The article is devoted to increasing the reliability and accuracy of aiming weapons installed on board a combat vehicle and equipped with automated means of calculating the position of the aiming mark, which is formed using a collimation sight. To ensure reliability, the sight design should be as simple as possible and not contain complex lenses. The best options in such a...