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Waterloss Detection in Water Distribution Networks using Wavelet Change-Point Detection

Author

Listed:
  • Symeon E. Christodoulou

    (University of Cyprus
    Nireas International Water Research Center)

  • Elena Kourti

    (University of Cyprus
    Nireas International Water Research Center)

  • Agathoklis Agathokleous

    (Nireas International Water Research Center)

Abstract

The work presented herein addresses the automatic detection of water losses in water distribution networks (WDN), through the dynamic analysis of the time series related to water consumption within the network and the use of a wavelet change-point detection classifier for identifying anomalies in the consumption patterns. The wavelet change-point method utilizes the continuous wavelet transform (CWT) of time-series (signals) to analyze how the frequency content of a signal changes over time. In the case of water distribution networks the time-series relates to streaming water consumption data from automatic meter reading (AMR) devices, at either the individual consumers’ level or at an aggregated district meter area (DMA) level. The wavelet change-point detection method analyzes the provided time-series to acquire inherent knowledge on water consumption under normal conditions at household or area-wide levels, to then make inferences about water consumption under abnormal conditions. The method is demonstrated on several abnormal WDN operating conditions and anomaly detection cases.

Suggested Citation

  • Symeon E. Christodoulou & Elena Kourti & Agathoklis Agathokleous, 2017. "Waterloss Detection in Water Distribution Networks using Wavelet Change-Point Detection," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 31(3), pages 979-994, February.
    • Handle: RePEc:spr:waterr:v:31:y:2017:i:3:d:10.1007_s11269-016-1558-5
    DOI: 10.1007/s11269-016-1558-5
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    References listed on IDEAS

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    1. Symeon Christodoulou, 2011. "Water Network Assessment and Reliability Analysis by Use of Survival Analysis," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 25(4), pages 1229-1238, March.
    2. Agathoklis Agathokleous & Symeon Christodoulou, 2016. "Vulnerability of Urban Water Distribution Networks under Intermittent Water Supply Operations," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 30(13), pages 4731-4750, October.
    3. Symeon Christodoulou & Alexandra Deligianni, 2010. "A Neurofuzzy Decision Framework for the Management of Water Distribution Networks," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 24(1), pages 139-156, January.
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    Cited by:

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    2. Caterina Capponi & Silvia Meniconi & Pedro J. Lee & Bruno Brunone & Marco Cifrodelli, 2020. "Time-domain Analysis of Laboratory Experiments on the Transient Pressure Damping in a Leaky Polymeric Pipe," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 34(2), pages 501-514, January.
    3. Kazeem B. Adedeji & Yskandar Hamam, 2020. "Cyber-Physical Systems for Water Supply Network Management: Basics, Challenges, and Roadmap," Sustainability, MDPI, vol. 12(22), pages 1-30, November.

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