Philosophy and Implementation of Gate Stroking

by Henry T. Falvey, US Bureau of Reclamation, Denver, CO, USA,

Document Type: Proceeding Paper

Part of: Planning, Operation, Rehabilitation and Automation of Irrigation Water Delivery Systems


The purpose of this paper is to examine one control method - gate stroking - the philosophy which would lead to its selection and an example of its implementation. Gate stroking provides a viable means of making large changes in the flow rate of a canal system while keeping fluctuation in the water levels to a minimum. The problem of the incompatibility between the mathematical model of a canal system and the actual conditions in the field can be eliminated through the use of a hybrid control system. One form of a hybrid control system which can be used is one in which large variations in canal discharge are regulated by gate stroking and small variations in discharge or depth are regulated with a local downstream control algorithm.

Subject Headings: Control systems | Hybrid methods | Water discharge | Gates (hydraulic) | Flow rates | Water flow | Irrigation water | Canals

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