走行部在线故障诊断系统在轨道波磨检测中的应用研究

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中图分类号：U270.33 文献标志码：B doi：10.20213/j.cnki.tdcl.2025.03.013

Abstract： The rail corrugation willcause noise pollution and abnormal vibration，lead to degradation of rail structure，result in fatigue damage in related components of vehicle and affect the operational safety of vehicles.To realize the real-time monitoring of the rail corrugation，master therail corrugation situation in time and guarantee the operational safety of trains，the running gear online fault diagnosis system already mounted on vehicles has been used to build up a rail corrugation diagnosis model based on the“generalized resonance and resonance demodulation”technology and the inertia reference method;the“big data mining”and “health management”concepts are used to establish a rail health assessment model adapted to the on-site operation through extensive data iteration，computation and learning to realize the vehicle-mounted online realtime detection of rail corrugation. And based on the statisticaldata，a corrugation dynamic threshold model has ben established，using the vehicle-ground transmision system to send the detection results back to the ground system in real time soas to realize the health assessment of rail corrugation.The actual application shows that the rail health assessment results are consistent with the actual rail corrugation situation.

Key words：steel rail；generalized resonance；resonance demodulation； inertia reference method;rail corrugation diagnosis；rail health assessment

近年来，广州城市轨道交通发展迅速，客流量大，为广大居民出行带来了便利，对乘坐舒适度也提出了更高要求。（剩余5593字）