Chapter
Apr 26, 2012
Leak Detection in Transportation Pipelines Using Feature Extraction and KNN Classification
Authors: Sima Valizadeh [email protected], Behzad Moshiri [email protected], and Karim Salahshoor [email protected]Author Affiliations
Publication: Pipelines 2009: Infrastructure's Hidden Assets
Abstract
A methodology for software based pipeline leak monitoring using feature extraction and classification is presented here. For feature extraction, time domain features of the measured flow, pressure and temperature of the pipe at its inlet and outlet are used. The time domain features are calculated for every time window. Information in the time domain signals is converted to matrix of features. The leak and no-leak signals are classified using k nearest neighbor and Bayesian classifiers. This approach is tested on a real multiphase pipeline with various leak positions and sizes. Also the ability of the classifiers for distinguishing operational changes from leakages is evaluated. Results shows that feature extraction and classification can be applied successfully to the problem of pipeline leak detection.
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© 2009 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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Control and Intelligent Processing, Center of Excellence, School of ECE, University of Tehran, Tehran, Iran. E-mail: [email protected]
Control and Intelligent Processing, Center of Excellence, School of ECE, University of Tehran, Tehran, Iran. E-mail: [email protected]
Department of Automation and Instrumentation, Petroleum University of Technology, Tehran, Iran. E-mail: [email protected]
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