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- W3148733908 abstract "Accurate detection and localization of rail cracks are very important for railroad operation safety.Since the guided wave can propagate in very long distance along the rail,the non-destructive rail crack detection technique based on guided wave can be applied to detect a very long section of the rail track at a same time.In this paper,the reflection feature at the rail cracks and the propagation performance of the broadband guided wave were used to localization the rail cracks.The mathematical relation between the crack position and the amplitude of the guided wave was formulated.Then,according to the relation,the algorithm and the flowchart for rail crack detection were given.The experiment on a 2.8m long rail using 20kHz-40kHz frequency guided wave indicates that this algorithm can locate the crack effectively if a pertinent frequency band is selected.The locating error is 1.2% only." @default.
- W3148733908 created "2021-04-13" @default.
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- W3148733908 date "2015-01-01" @default.
- W3148733908 modified "2023-09-25" @default.
- W3148733908 title "Rail Crack Detection Algorithm Based on Broadband Guided Wave" @default.
- W3148733908 hasPublicationYear "2015" @default.
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