Optimal real - time control of sewer networks
Abstract
During the last decades an increased interest for the protection of the environment from everything that could lead to its downgrading and destruction is observed. The development of a control system for combined sewer networks has as a goal the protection of the quality of waters that receive the outflows of the networks. A multilayer control structure that consists of three control layers (adaptation, optimization and direct control) may be used for the control of a combined sewer network. With regard to the optimization layer, several approaches have been proposed in the past. This thesis is focused on the development and comparison of two methods for the optimization layer, namely the nonlinear optimal control and the multivariable feedback control method. The main goal of this thesis is the development, application and simulation testing of a control system for central sewer network flow control. In nonlinear optimal control the main control objectives and the secondary operationa ...
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