Russian Federation
JSC Research and Design Institute of Informatization, Automation and Communication in Railway Transport (JSC NIIAS) (Department of Technological Support and Robotics of the Center for Robotization of Technological Processes of the Scientific and Technical Complex of Intelligent Monitoring and Control Systems, Leading Specialist)
Russian Federation
Russian Federation
656.259.2
629.488.2
Purpose: To establish the potential of the current technical maintenance procedures for automatic locomotive signalling devices in the Metro depot. The primary focus is to identify the causes of short-term failures, particularly, ‘lack of frequency’ failure (abbreviated as ‘LF’) occurring under operational conditions. The study will also formulate the appropriate recommendations for their improvement. Methods: Analysis of scientific and technical literature devoted to the issue of failures in the operation of train devices of automatic locomotive signalling in the Metro system. Structural and functional modelling for describing the main technological operations performed during train device maintenance. Comparative analysis of the maintenance procedures of train devices in the metro and the basic safety devices in the mainline railway transport. The identification of technological gaps is imperative in order to determine the causes of failures in the operation of train devices in the Metro system. The development of recommendations is intended to enhance the technical maintenance procedures for train automatic locomotive signalling devices at the Metro depot. The objective of this development is to reduce failures during the operation of these. Results: A detailed description of the technical maintenance of train devices of automatic locomotive signalling has been presented. The main technological gaps that prevent the determination of the conditions and causes of short-term failures in the operation of equipment have been identified. The necessity for developing a system of test effects allowing determining the conditions and causes of short-term failures in the operation of train devices has been highlighted. Practical significance: The study has demonstrated the necessity to enhance the level of automation of the technical maintenance of train devices of automatic locomotive signalling in the Metro. Furthermore, there is a need for comprehensive and reliable monitoring of the technical condition of the equipment that receives and processes automatic locomotive signalling data. This will serve to reduce the number of failures under operating conditions.
Metro system, automatic locomotive signalling, train devices, maintenance, digital protection, failures, lack of frequency, generator of a comprehensive test of the speed control system
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