Integrator Delay Zero Model for Design of Upstream Water-Level Controllers
Publication: Journal of Irrigation and Drainage Engineering
Volume 143, Issue 3
Abstract
A variety of methods are in use for the design of controllers for adjusting canal gate positions to maintain a constant water level immediately upstream from check gates. These methods generally rely on a series of tests on the water level’s response to changes in canal gate position or flow, either by simulation or on the canal itself. This paper presents a method for tuning these controllers based on wave celerity through use of the integrator delay zero (IDZ) model. These equations can be used to determine the resonance peak height and resonance frequency. Unsteady-flow canal simulation models are used to show the response of controller design using these theoretical equations with a test case for ASCE Test Canal 1. A novel method is presented for avoiding disturbance amplification by considering the delay times in all canal pools downstream.
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Information & Authors
Information
Published In
Journal of Irrigation and Drainage Engineering
Volume 143 • Issue 3 • March 2017
Copyright
© 2015 American Society of Civil Engineers.
History
Received: Jul 8, 2011
Accepted: Oct 5, 2015
Published online: Dec 31, 2015
Discussion open until: May 31, 2016
Published in print: Mar 1, 2017
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