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On-board monitoring systems COMPACS®-EXPRESS-3 have been exploiting at electric trains ED4M of ‘DMZ’ JSC production for more than 1 year. The first electric train, equipped with the on-board monitoring system, entered the depot Moskva-2 Yaroslavskaya in June, 2011. During that time the system has proved itself from a positive side, rendering an invaluable assistance with maintenance of technical readiness appropriate level; alerting about presence and development of hidden defects and informing personnel about malfunctions even before trains have come to the depot to carry out scheduled maintenance works and repair.
The system has detected defects of four traction motors at the electric train ED4M, thus having provided an opportunity to carry out a timely inspection and prevent an unexpected motors breakdown and consequences, connected with that.
The systems operation is absolutely autonomous and does not require additional labour forces – the information on technical condition of rolling-stock under the control is handed over automatically to the depot diagnostic network Compacs-Net® server, as well as to workstations (personal computers), set at workplaces of responsible staff.
For the depot authorities these systems are powerful means to assure the transportation process safety and regularity and to increase effectiveness of maintenance works and repairs.
Authors: The depot Moskva-2 Yaroslavskaya head Gorelov A.V., the depot deputy head in the repair department Sautkin M.P. / 2012  Download the response
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