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Article Dans Une Revue Processes Année : 2022

Predictive Control in Water Distribution Systems for Leak Reduction and Pressure Management via a Pressure Reducing Valve

Résumé

This work proposes a model predictive control (MPC) strategy for pressure management and leakage reduction in a water distribution system (WDS). Unlike most of the reported models that mainly consider EPANET-based models, the proposed method considers its dynamic representation given by ordinary differential equations. The proposed MPC uses a pressure-reducing valve (PRV) as a control element to regulate the pressure in the WDS to track the demand. The control scheme proposes a strategy to manage the high nonlinearity of the PRV and takes into account the demand profile throughout the day as well as the leaks that occur in the pipeline. The estimates of magnitude and location of the leak are provided by an Extended Kalman Filter from previous work and with the aid of a rule-based set point manager reduces the fluid loss in the event of a leak. Different scenarios are studied to illustrate the effectiveness of the proposed control system, achieving an approximate reduction of up to 5% of water losses, demonstrating robustness in the case of uncertainty in the leak location estimate.

Dates et versions

hal-03722857 , version 1 (13-07-2022)

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Jose-Roberto Bermúdez, Francisco-Ronay López-Estrada, Gildas Besancon, Guillermo Valencia-Palomo, Ildeberto Santos-Ruiz. Predictive Control in Water Distribution Systems for Leak Reduction and Pressure Management via a Pressure Reducing Valve. Processes, 2022, Special Issue Innovative Techniques for Safety, Reliability, and Security in Control Systems, 10 (7), pp.1355. ⟨10.3390/pr10071355⟩. ⟨hal-03722857⟩
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