China upgrades bullet train maintenance system

China Railway Shanghai Group has announced that it has upgraded its bullet train maintenance system to better serve the increased number of passengers during the Spring Festival. The upgrade involves improving real-time monitoring through data management, staff rearrangement and enhanced maintenance.
Technicians are working on the betterment of real-time monitoring through data management. Developed by China Railway Shanghai Group, the China Railway EMU Health Management system allows remote data collection, problem-solving analysis and maintenance guidance to provide a more sufficient set of solutions. In case of any potential train problems, the station will be immediately notified so it has sufficient time to prepare for maintenance once the trains arrive.
Wireless Transmission Device Information Systems for High-Speed EMUs have also been adopted at the EMU Shanghai Depot to address problems that are severe enough to potentially threaten passenger safety.
Changes were also put in place for rearrangement of technicians and operating systems for maintenance. For instance, eight technicians were arranged for first-level checking and maintenance on each bullet train, which is double the ordinary number.
Equipment updates include high voltage assemblies and suspensions meant to cope with extreme weather as the bullet trains go as far north where temperatures can hit -40°C.
Departing travelers from Shanghai during this year’s Spring Festival are expected to reach 13 million, up 9.6 percent from last year. Departing travelers are expected to reach 71 million from Anhui, Jiangsu and Zhejiang provinces, up 6.7 percent year-on-year. To deal with the increased number of passengers, 67 pairs of bullet trains were added to the current 766 pairs. The Spring Festival travel period requires daily maintenance of 75 pairs of bullet trains for the Hongqiao EMU Depot, which operates under the Shanghai depot, and sometimes peaks at over 80.


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