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- W2502772261 abstract "Pipe faults, such as leakage and blockage, commonly exist in water pipeline systems. It is essential to identify and fix these failures appropriately in order to reduce the risk of water pollution and enhance the security of water supply. Recently, transient-based detection methods have been developed for their advantages of non-intrusion, efficiency and economics compared to traditional methods. However, this method is so far limited mainly to simple pipelines with a single known type of pipe fault in the system. This paper aims to extend the transient-based method to multiple-fault detection in water pipelines. For this purpose, this study introduced an efficient and robust method for transient pressure signal analysis – a combination of the empirical mode decomposition and Hilbert transform – in order to better identify and detect different anomalies (leakage, blockage and junction) in pipelines. To validate the proposed transient-based time-frequency analysis method, laboratory experimental tests were conducted in this study for a simple pipeline system with multiple unknown types of pipe faults including leakages, blockages and junctions. The preliminary test results and analysis indicate that multiple pipe faults in simple pipelines can be efficiently identified and accurately located by the proposed method." @default.
- W2502772261 created "2016-08-23" @default.
- W2502772261 creator A5003621926 @default.
- W2502772261 creator A5065566471 @default.
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- W2502772261 date "2016-07-28" @default.
- W2502772261 modified "2023-10-17" @default.
- W2502772261 title "Multiple-fault detection in water pipelines using transient-based time-frequency analysis" @default.
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- W2502772261 doi "https://doi.org/10.2166/hydro.2016.232" @default.
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