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Development and engineering application of integrated safety monitoring systems for China’s high-speed trains

Transportation safety and Environment 2024年第2期6卷 36-44页

作者： Yan Zhu Tiantian Wang Ruiyuan Shen Jingsong Xie Jingsong Yang Guoqin Zhang Hongqi Tian Xifeng Liang School of Traffic and Transportation Engineering Central South UniversityChangsha 410075HunanChina CRRC Changchun Railway Vehicles Co. LtdChangchun 130062JilinChina China State Railway Group Co. Ltd.Beijing 100084China

With the improvement of the running speed of China’s high-speed trains,the demands for running status monitoring and security assurance of High-speed Electric Multiple Units(EMU)have increased ***,the current safety monitoring systems are independent,which is not conducive to the comprehensive monitoring and information sharing of the whole *** temperature monitoring of running gear is insensitive to early *** to develop a train operation safety monitoring system with strong engineering implementation and high integration is a key problem to be *** the monitoring of running stationarity,frame stability and running gear health of China’s high-speed trains,an integrated safety monitoring system framework is designed,and the logic and algorithm for the diagnosis of stationarity,stability and health states of rotating parts are *** software which fused the temperature,high and low frequency vibration data is developed,and the design and installation of the vibration temperature composite sensors are *** research results have realized the integration and comprehensive processing of multiple monitoring systems,completed the improvement from single component and vehicle-level safety monitoring to multi-system,train-level and interactive *** the process of real vehicle application,the developed monitoring system acquires the vehicle operation status data accurately and in real *** constructed diagnosis algorithm and logic evaluates the vehicle operation status accurately and in a timely manner,and avoids the progression from fault to *** research results show that the integrated safety monitoring system can provide technical support for train operation safety.

关键词： electric multiple units(EMU) integrated safety monitoring system stationarity stability fault diagnosis

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