Research on Health Management Technology of Metro Vehicle Brake System
Health management technology of subway vehicle braking systems is described relying on intelligent technologies such as wireless communication,big data,and data mining to provide a set of intelligent service solutions for braking systems.The Prognostics and Health Management(PHM)system of metro vehicle braking consists of metro vehicle mounted PHM unit,wireless data transmission system between metro vehicle and ground and PHM system on ground.The metro vehicle mounted PHM unit can efficiently process the calculation and transmission of high-frequency data,achieve online fault diagnosis and warning,as well as real-time and offline data transmission functions;The PHM system on ground is based on technologies such as big data and cloud computing to store,calculate,analyze,and display the entire braking system data.The article realizes intelligent diagnosis and fault prediction of the braking system,with the ability to quickly locate the cause of online faults,providing decision-making support for emergency response to faults and the formulation of fault maintenance strategies,ensuring the safe operation of trains,and improving the efficiency of fault handling and maintenance.