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Self-optimising control of sewer systems

Publication Date
  • Design
  • Mathematics


The design of sewer system control is a complex task given the large size of the sewer networks, the transient dynamics of the water flows<br/>and the stochastic nature of rainfall. This contribution presents a generic methodology for the design of a self-optimising controller in sewer systems. The<br/>definition of an optimal performance was carried out by through a two-stage optimisation (stochastic and deterministic) to take into account both the overflow<br/>during the current rain event as well as the expected overflow, given the probability of a future rain event. The methodology is successfully applied to design an<br/>optimising control strategy for a subcathcment area in Copenhagen.

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