The article describes the evaluation model of technological effi ciency of railway automation and remote control systems. To analyze the effi ciency of these systems operation the model based on the queuing theory is used, where the railway automation and remote control system is represented as a service unit with priorities. To solve the problem of estimation of the total costs of failure over the specifi ed period of time the article provides two models: a model of the fl ow of random coincidence pulses, and a model of the function of mean frequency of random coincidence pulses to its duration and the formation of the total economic costs.
URRAN, railway automation and remote control system, reliability, economic effi ciency, safety, availability factor, queuing theory, the theory of random pulse fl ows, failures, distribution density, expected value
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