Abstract
Introduction. The article presents a mathematical model of the functioning of fire monitoring systems for critical facilities of the oil and gas industry, based on wireless technologies. A multifactor criterion has been developed based on reliability (probability of fail-free operation), noise immunity, service area, efficiency of information transfer, economic feasibility of its use, and the network efficiency. Goals and objectives. Organization of a radio communication network in the fire monitoring system of critical facilities, depending on the required information load and the number of protected facilities in the oil and gas industry. Ensuring continuous monitoring of the security of facilities and timely transmission of information to emergency services. Ensuring the operation of the network to alert the population about possible danger. Methods. To form a multivariate criterion model were used: methods of mathematical modeling of network states to determine the criteria for evaluating a multivariate model, methods of expert assessment to determine the weights of network characteristics, methods of constructing probabilistic systems. Results and its discussion. A generalized criterion has been developed for quantitative assessment of functioning a wireless monitoring system of fire safety of critical facilities in the oil and gas industry based on reliability (probability of failure-free operation), noise immunity, service area, efficiency of information transfer, economic feasibility of its application, and the efficiency of the network. Conclusion. a mathematical model of the functioning of a wireless fire safety monitoring system for critical objects of the oil and gas industry was built based on the modified Jaysuall relations and the provisions of its application were theoretically substantiated, which makes it possible to organize radio communication networks in the fire monitoring system of critical objects, depending on the required information load and the number of protected objects in the oil and gas industry. A generalized (multifactorial) criterion is also proposed to quantitatively assess the functioning of a wireless monitoring system for fire safety of critical facilities in the oil and gas industry and choose the most optimal system in terms of choosing the best technical and operational indicators and economic feasibility. Keywords: oil and gas facilities, critical facilities, wireless monitoring system, queuing system, stream of events, fire safety, mathematical model, fire alarm, communication channels
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