Feedback control of water quality

Drinking water distribution networks (DWDN) are complex, large-scale systems designed to supply clean water to industrial and domestic users. To reduce the risk of human exposure to pathogens, drinking water is required to contain a small disinfectant residual. The most common disinfectant used in DWDN is chlorine because it is inexpensive and effectively controls a number of disease-causing organisms. The article formulates the water quality control problem and proposes a design approach based on parameter estimation and adaptive control techniques.

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