The problems of developing a diagnostic system of electromechanical equipment of mining industry are described in this article. This system is a platform for changing the strategy from periodic maintenance in the direction of predictive maintenance. The researches of different methods of malfunctions detection have been carried out and described. These researches have helped to make a conclusion that implementation of a safety diagnostic system without determination of many interdependent diagnostic parameters is not possible. The results of these researches will help to develop the system of monitoring, diagnostic and definition of life-cycle resources of electromechanical equipment. This system will able to take into account the differences of technological processes and will base on the subsystems of simulation and prediction of malfunctions. In addition, development of a subsystem of monitoring, diagnostic and definition of life-cycle resources of electromechanical equipment has been described. This subsystem will evaluate the life-cycle resources in different periods of timeand make the machine control possible, using the information about the fault values and availability of spare parts, tools and equipment in addition.
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