Abstract
Introduction. Search and rescue operations in naturally occurring smoke pose a high risk to rescuers. Reduced visibility due to smoke can result in injury, delays in locating victims, and reduced effectiveness of search and rescue efforts. The article presents the results of a series of experiments and an analysis of the effectiveness of the visibility of the developed augmented reality helmet during search and rescue operations in conditions of natural smoke. Goals and objectives. The study aims to evaluate the effectiveness of augmented reality helmet visibility during search and rescue operations in natural smoke conditions to detect temperature source signatures of victims and the environment. Research objectives: 1. To study the effect of an augmented reality helmet during search and rescue operations on visibility in conditions of natural smoke. 2. Develop a mathematical model to predict the effectiveness of the visibility of an augmented reality helmet during search and rescue operations in conditions of natural smoke: determine the dependence of the effectiveness of the visibility of an augmented reality helmet during search and rescue operations on the temperature of the sources of signatures of victims, the environment and on the density of natural smoke. 3. Compare the effectiveness of visibility with and without the use of an augmented reality helmet during search and rescue operations in natural smoke conditions. Subject of study. The subject of this study is to analyze the effectiveness of the visibility of the developed augmented reality helmet during search and rescue operations in conditions of natural smoke. Results and its discussion. The results of a series of experiments showed an increase in the visibility of the temperature of the sources of signatures of victims and the environment up to 86,64% based on the use of an augmented reality helmet during search and rescue operations in conditions of natural smoke. Methods. The experimental method, correlation and regression analyzes were used. Conclusions. The study showed that using an augmented reality helmet during search and rescue operations in natural smoke conditions increases visibility efficiency by up to 86,64%. A mathematical model has been developed for the dependence of the visibility efficiency of an augmented reality helmet during search and rescue operations on the temperature of the victims’ signature sources, the environment, and the density of natural smoke. When the temperature of the victims' signature sources, the environment, increases by 1 °C, the visibility efficiency increases by 0,0765%. At the same time, the visibility efficiency of an augmented reality helmet during search and rescue operations decreases by 0,0738% for every 1 g/m³ of natural smoke density. This allows the gas and smoke protection service to have situational awareness. The results highlight the need to take into account the temperature of victims' signature sources, the environment and the density of natural smoke when using an augmented reality helmet during search and rescue operations. Keywords: augmented reality helmet; search and rescue operations; natural smoke; situational awareness; visibility efficiency; correlation analysis; regression analysis.
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