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Mathematical Problems in Engineering
Volume 2016, Article ID 8702970, 7 pages
http://dx.doi.org/10.1155/2016/8702970
Research Article

A Hybrid Approach for Fault Diagnosis of Railway Rolling Bearings Using STWD-EMD-GA-LSSVM

1School of Machine-Electricity and Automobile Engineering, Beijing University of Civil Engineering Architecture, Beijing 100044, China
2Beijing Key Laboratory of Performance Guarantee on Urban Rail Transit Vehicles, Beijing University of Civil Engineering Architecture, Beijing 100044, China
3Subway Operation Technology Centre, Mass Transit Railway Operation Corporation Ltd., Beijing 102208, China

Received 16 September 2015; Accepted 29 February 2016

Academic Editor: Yongjun Shen

Copyright © 2016 Dechen Yao et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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