Short pitch corrugation is commonly seen in all kinds of tracks. There is not yet a conclusive explanation in the literature for its initiation and growth mechanisms. In this paper, we use an axle box acceleration (ABA) measurement system to detect corrugation. ABA can be easily implemented in operational trains, providing direct and reliable health monitoring of the track. We have extended a detection algorithm for rail surface local short wavelength defects to also detect short pitch corrugation, which is a continuous defect over the track. A 3D transient FE wheel-track model is employed to find theoretical signature tunes of the wheel-track system response when passing over a short pitch corrugation. Numerical simulations agree with ABA measurement obtained in the Dutch rail network. Based on the signature tune identified, an automatic detection algorithm is developed. Preliminary results with the algorithm are discussed. Field observations show a good potential of the detection algorithm to be used by inframanagers, to detect and monitor corrugation.
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2015 Joint Rail Conference
March 23–26, 2015
San Jose, California, USA
Conference Sponsors:
- Rail Transportation Division
ISBN:
978-0-7918-5645-1
PROCEEDINGS PAPER
Automatic Detection of Corrugation: Preliminary Results in the Dutch Network Using Axle Box Acceleration Measurements Available to Purchase
Shaoguang Li,
Shaoguang Li
Delft University of Technology, Delft, The Netherlands
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Alfredo Núñez,
Alfredo Núñez
Delft University of Technology, Delft, The Netherlands
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Zili Li,
Zili Li
Delft University of Technology, Delft, The Netherlands
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Rolf Dollevoet
Rolf Dollevoet
Delft University of Technology, Delft, The Netherlands
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Shaoguang Li
Delft University of Technology, Delft, The Netherlands
Alfredo Núñez
Delft University of Technology, Delft, The Netherlands
Zili Li
Delft University of Technology, Delft, The Netherlands
Rolf Dollevoet
Delft University of Technology, Delft, The Netherlands
Paper No:
JRC2015-5730, V001T01A023; 7 pages
Published Online:
June 10, 2015
Citation
Li, S, Núñez, A, Li, Z, & Dollevoet, R. "Automatic Detection of Corrugation: Preliminary Results in the Dutch Network Using Axle Box Acceleration Measurements." Proceedings of the 2015 Joint Rail Conference. 2015 Joint Rail Conference. San Jose, California, USA. March 23–26, 2015. V001T01A023. ASME. https://doi.org/10.1115/JRC2015-5730
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