NDLI: On-Line Vibration Source Detection of Running Trains Based on Acceleration Measurement

Content Provider	IEEE Xplore Digital Library
Author	Chengyou Wang Qiugen Xiao Hua Liang Xin Chen Xuanping Cai Yunhui Liu
Copyright Year	2006
Description	Author affiliation: Joint Centre for Intelligent Sensing & Syst., Nat. Univ. of Defense Technol., Changsha (Chengyou Wang; Qiugen Xiao; Hua Liang; Xin Chen; Xuanping Cai; Yunhui Liu)
Abstract	To ensure safety of railway operation, it is important to regularly check railway conditions such as deformation of the rails. To monitor rail deformation, this paper presents a method for detecting sources of vibrations of a running train on-line by measuring accelerations, which include the train bogie's lateral acceleration, and the crossbeam's lateral and vertical accelerations. A series of detection algorithms including peak-peak value entropy comparison, weighted correlation coefficients comparison etc. are proposed in the method, according to different characters of vibrations from the train itself and rail deformation. To eliminate the vibration due to the train itself, the algorithm employs the peak-peak value entropy comparison. To identify the order of the vibrations between crossbeam and bogie, a weighted correlation coefficient is applied. Weight center and maximum position are also used for the detection. The algorithms were implemented on a passenger train using ARM processor and real experiments were conducted on the train on the railway between Shenyang and Dalian in China. The experiments demonstrated that the proposed method can produce satisfactory results
Starting Page	4411
Ending Page	4416
File Size	7289622
Page Count	6
File Format	PDF
ISBN	1424402581
DOI	10.1109/IROS.2006.282020
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-09
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vibration measurement Accelerometers Rail transportation Acceleration Railway safety Entropy Intelligent robots Condition monitoring Railway engineering Inspection Railway deformation detection Multi-threshold Vibration source decision
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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