The invention relates to the technical field of data processing, in particular to a method for monitoring rail vibration data abnormity in train operation. The method comprises the steps of obtaining an initial orbit vibration data sequence; sampling the initial orbit vibration data sequence by using different sampling step lengths to obtain a minimum period corresponding to the initial orbit vibration data sequence; obtaining each target sub-sequence according to the minimum period; according to the track vibration data at the same position in each target sub-sequence, obtaining each recombined track vibration data sequence; noise track vibration data are obtained according to the track vibration data in the recombined track vibration data sequences; obtaining a target track vibration data sequence according to the noise track vibration data and the data mean value corresponding to each recombined track vibration data sequence; and obtaining abnormal track vibration data in the target track vibration data sequence according to the target track vibration data sequence. According to the invention, the accuracy of monitoring the abnormal track vibration data can be improved.
本发明涉及数据处理技术领域,具体涉及一种列车运行中轨道振动数据异常的监测方法。方法包括:获取初始轨道振动数据序列;利用不同采样步长对初始轨道振动数据序列进行采样,得到初始轨道振动数据序列对应的最小周期;根据最小周期,得到各目标子序列;根据各目标子序列中相同位置的轨道振动数据,得到各重组轨道振动数据序列;根据各重组轨道振动数据序列中的各轨道振动数据,得到噪声轨道振动数据;根据噪声轨道振动数据和各重组轨道振动数据序列对应的数据均值,得到目标轨道振动数据序列;根据目标轨道振动数据序列,得到目标轨道振动数据序列中的异常轨道振动数据。本发明能够提高对异常轨道振动数据进行监测的准确性。
Method for monitoring rail vibration data abnormity in train operation
一种列车运行中轨道振动数据异常的监测方法
2024-03-15
Patent
Electronic Resource
Chinese
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen |
Train operation abnormity diagnosis method and device based on log data
European Patent Office | 2022
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