Knowledge-based optimization model for control valve locations in water distribution networks

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This paper presents a knowledge-based optimization model for minimizing leakage in water distribution systems through the most effective location and setting of control valves. The optimization model is based on the use of a genetic algorithm (GA), which is known for its robustness for handling the optimization of water distributions networks. Knowledge of the water distribution system has been incorporated into the optimization model to reduce the search space and to enhance the model efficiency in finding the optimal solutions. A single optimization model to search for both the optimal location of valves and their settings has been used. These two improvements over other models have enhanced the efficiency of the model and improved the search for the optimum solution. The model has been used to test leakage minimization in a benchmark water network studied by other researchers and has proven to be very efficient and robust.

Original languageEnglish
Article number04014048
Number of pages7
JournalJournal of Water Resources Planning and Management
Issue number1
Publication statusPublished - 31 Jan 2015


  • Control valves
  • Leakage reduction
  • Optimal control
  • Pressure management
  • Water distribution systems


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