Chapter
Nov 12, 2013
Detection and Recovery Algorithm of Rail Surface Short Wavelength Irregularities Based on Chord Measuring Method
Authors: Xiaojun Mao [email protected], Yude Xu [email protected], and Yu Zhou [email protected]Author Affiliations
Publication: ICTE 2013: Safety, Speediness, Intelligence, Low-Carbon, Innovation
Abstract
To realize continuous detection of rail surface short wavelength irregularities and improve detection precision, the factors of detection accuracy on the basis of traditional chord reference methods was analyzed by comparing the chord length and the ratio of chord length and length between transducers (chord ratio). Combined with signal processing method, the automatic recovery of short wavelength irregularity was realized with optimized chord length and chord ratio. The recovery results were compared with the results from RMF-2.3E devices. The results show higher recovery precision and reliability. It means the detection accuracy can be significantly improved by adjusting the chord length and chord ratio.
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ICTE 2013: Safety, Speediness, Intelligence, Low-Carbon, Innovation
Pages: 2039 - 2044
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© 2013 American Society of Civil Engineers.
History
Published online: Nov 12, 2013
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Affiliations
Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai 201804. E-mail: [email protected]
Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai 201804. E-mail: [email protected]
Key Laboratory of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai 201804. E-mail: [email protected]
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