Leak Detection in Water Distribution Systems Using Hydraulic Interval State Estimation

Stelios Vrachimis1, Demetrios Eliades, Marios M. Polycarpou

  • 1University of Cyprus



Invited Session


16:00 - 18:00 | Wed 22 Aug | Schackenborg | WeC6

Control, Supervision and Fault Diagnosis for Large Scale Water Infrastructures

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This work develops a new algorithm based on interval hydraulic state estimation for leakage detection in urban water distribution systems using pressure sensors and smart meters. The proposed approach takes into consideration the fact that water demand and network parameter uncertainties are unstructured, and models them as intervals defined by a corresponding upper and lower bound. The state estimation process yields bounded state estimates which are used in the creation of detection thresholds. A detection logic is used to determine whether the thresholds are violated as a result of a leakage fault event. The proposed methodology is demonstrated on a leakage benchmark dataset under various scenarios.

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