WAYS TO PROVIDE SECURE WORKING CONDITIONS OF GAS AND SMOKE DIVERS THROUGH MONITORING THEIR HEART BEAT RATE
Abstract
Background. In a device with compressed air in an environment unsuitable for breathing, it is necessary to ensure safe operating modes of gas and smoke divers based on remote monitoring of heart rate monitoring.
Purpose. To develop a model of heart beat rate zone parameters for controlling the safety of gas and smoke divers in a breathing apparatus with compressed air in an nonserviceable environment.
Materials and methods. 30 cadets (young men) aged 20-23 years took part in the study on the basis of the laboratory of functional diagnostics. The time interval for maintaining the maximum intensity of work when performing physical exercises on a treadmill and an exercise bike in firefighter combat clothing using a compressed air breathing apparatus and the heart rate during various physical exertion were recorded. The results were processed using Excel and SPSS Statistics 22 programs.
Results. It is established that in the light zone of heart beat rate there is an exponential law of the distribution of the operating time, and in the moderate – the normal distribution. The constructed probabilistic model allows for well as information support for the decision-making process for assessing the secure workings of operating modes based on remote monitoring of the functional state of smoked divers. The novelty of the study is determined by the technical capabilities of the telemetry systems of modern breathing apparatus with compressed air.
Conclusion. When designing telemetric systems for monitoring the safety of gas and smoke divers, taking into account the quantitative pulse indicator that characterizes their condition when performing fire extinguishing operations in an inhospitable environment, it is necessary to take into account the normal distribution of working time in the pulse zone and the level of efficiency of the gas and smoke divers.
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Copyright (c) 2021 Denis N. Shalyavin, Elena A. Shmeleva, Denis V. Tarakanov, Boris B. Grinchenko
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