en.Wedoany.com Reported - On June 21, the first smart upgraded C151B train, jointly completed by Singapore metro operator SMRT and CRRC Sifang, officially resumed passenger service, returning to the North-South and East-West Lines. As the first "Fault Prediction and Health Management Concept Validation Train," this train integrates multiple AI-based intelligent monitoring and diagnostic technologies on the existing model, and will verify the feasibility of predictive maintenance solutions in an actual operating environment.

This upgrade added approximately 180 sensors to the train, bringing the total number of sensors to nearly 480, installed in key areas such as the underframe and bogies that are difficult to access during routine maintenance. The upgrade includes a structural health monitoring system, a condition monitoring system, a bogie monitoring system, upgrades to the air conditioning and ventilation system, enhanced cybersecurity, and upgrades to the traction and auxiliary power supply system. All upgraded functions are integrated into an enhanced train integrated management system, which can display the health status of each key system in real time to assist in operation and maintenance decision-making.

SMRT stated that if the test results meet expectations, it will collaborate with the Singapore Land Transport Authority to extend the relevant technical solutions to another 91 trains manufactured by CRRC Sifang currently in service, covering 35 fourth-generation C151A trains, the remaining 44 fifth-generation C151B trains, and 12 sixth-generation C151C trains.

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