Identification of the hydraulic model from operational measurements for supervisory pressure control

Li, Ping, Postlethwaite, Ian, Prempain, Emmanuel, Ulanicki, Bogumil and Patel, Ridwan (2009) Identification of the hydraulic model from operational measurements for supervisory pressure control. In: American Society of Civil Engineers’ Environmental & Water Resources Institute Congress 2009, 17-21 May 2009, Kansas City, Missouri.

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The operational pressure control is a cost‐effective way to leakage reduction and many pressure control methods and algorithms have been developed. Whilst the pressure control algorithm is model‐based, the hydraulic model of the considered distribution network is not always available. Therefore, this paper will focus on the development of an aggregated hydraulic model of the network considered, in particular, identification of a leakage enhanced model using the operational measurements or the available historical data. This will enable a pressure optimisation algorithm to calculate the optimal pressure schedules for the implementation of a pressure control scheme. The identification problem is formulated as a parameter estimation problem in this paper and a least‐square based method is derived for estimating the parameters in the model. A case study provided by a UK water company is performed to illustrate the use of the method and the identification results from real operational data are presented.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: identification, water pressure, measurement, leakage
Subjects: H200 Civil Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: EPrint Services
Date Deposited: 19 May 2011 11:25
Last Modified: 13 Oct 2019 00:25

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