NDLI: Research on Above Ground Marker System of Pipeline Internal Inspection Instrument Based on Geophone Array

Content Provider	IEEE Xplore Digital Library
Author	Xiao Wu Antao Xu Yunkui Xiao Bin Zhou Guojun Wang Ruili Zeng
Copyright Year	2010
Abstract	The above ground marker system (AGM) is an important part of pipeline internal inspection instrument, which can reduce the mileage error and improve the positioning precision. A AGM based on geophone array was proposed aiming at increasing depth problem of the pipeline. It can record and amplify the sound of an approaching pipeline pig's cups striking the welds of a pipe to an easily discernible level. The seismic signals generated by the different targets around the pipeline were gathered. These signals were pre-processed and the targets features were extracted, by the EMD (Empirical Mode Decomposition) based signal feature extraction method, to identify different the targets. After estimating the time difference of signal arrival on different sensors by cross correlation-phase transform (GCC-PHAT) method , the the spacial location of internal inspection instrument can be realized, according to the time difference and relative position between the sensor array and the pipe. The proposed method above was verified through the outside simulated experiments and data analysis.
Starting Page	1
Ending Page	4
File Size	306765
Page Count	4
File Format	PDF
ISBN	9781424437085
DOI	10.1109/WICOM.2010.5600788
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-09-23
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vibrations Pipelines Noise Soil Feature extraction Sensors Arrays
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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