The invention discloses a track defect detection method and device, electronic equipment and a storage medium, and relates to the field of track traffic, the method comprises the following steps: obtaining a finite element model of a target track, and loading a global excitation signal under a first frequency interval to the cross section of the finite element model, obtaining a first time-frequency graph of a guided wave time domain signal of the first finite element node; a guided wave curve graph of the target track is obtained, and a first mode with the lowest attenuation degree is obtained according to the first time-frequency graph and the guided wave curve graph; performing defect detection on the target track according to the first mode; wherein the first mode corresponds to the second frequency interval. According to the technical scheme provided by the embodiment of the invention, the detection distance of the defect detection equipment is greatly increased, and the coverage range of track defect detection is improved, so that the number of the defect detection equipment mounted between railway stations is reduced, the hardware cost required for realizing track defect detection is reduced, and the detection efficiency is improved. And the labor cost and the time cost required by equipment maintenance are reduced.
本发明公开了一种轨道缺陷检测方法、装置、电子设备和存储介质,涉及轨道交通领域,该方法包括:获取目标轨道的有限元模型,并对有限元模型的横截面加载第一频率区间下的全局激励信号,以获取第一有限元节点的导波时域信号的第一时频图;获取目标轨道的导波曲线图,并根据第一时频图和导波曲线图,获取衰减度最低的第一模态;根据第一模态对目标轨道进行缺陷检测;其中,第一模态对应第二频率区间。本发明实施例的技术方案,极大地提高了缺陷检测设备的检测距离,提升了轨道缺陷检测的覆盖范围,由此减少了铁路站点之间安装的缺陷检测设备数量,既降低了实现轨道缺陷检测所需的硬件成本,又降低了设备维护所需的人力成本和时间成本。
Track defect detection method and device, electronic equipment and storage medium
一种轨道缺陷检测方法、装置、电子设备和存储介质
2024-05-31
Patent
Elektronische Ressource
Chinesisch
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