2014
DOI: 10.1002/ird.1881
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The Ratio Controller for Regulation of Turnout Flow Rate

Abstract: Setting and adjusting flow rates through turnout gates is a common task for canal operators and irrigators. When downstream flow measurement is available, the flow source is a relatively stable canal, and the turnout is controlled by a sluice gate for which flow rate is approximately proportional to gate opening, a simple ratio calculation can be used to estimate the change of gate position needed to reach a desired flow rate. This method can be used to estimate the next necessary manual gate adjustment or it … Show more

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Cited by 2 publications
(3 citation statements)
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“…To attain this objective, several managerial features, various automatic operational systems for the irrigation districts, have been designed, tested and developed by researchers (Playán and Mateos, ; Stringam and Esplin, ). Furthermore, analysis of various irrigation canals has been carried out by applying several configurations of decentralized control systems (Burt and Piao, ; Burt, ; Hashemy et al, ; Stringam and Wahl, ; Shang and Shang, ; Wahlin and Zimbelman, ).…”
Section: Introductionmentioning
confidence: 99%
“…To attain this objective, several managerial features, various automatic operational systems for the irrigation districts, have been designed, tested and developed by researchers (Playán and Mateos, ; Stringam and Esplin, ). Furthermore, analysis of various irrigation canals has been carried out by applying several configurations of decentralized control systems (Burt and Piao, ; Burt, ; Hashemy et al, ; Stringam and Wahl, ; Shang and Shang, ; Wahlin and Zimbelman, ).…”
Section: Introductionmentioning
confidence: 99%
“…Calcular la relación entre el precio de la producción y el volumen de agua utilizado. En la operación de las compuertas, los cambios en la apertura deberán ser menores o iguales al 5 % de la apertura actual (Stringam & Wahl, 2015), con la finalidad de evitar aperturas o cierres abruptos que induzcan inestabilidad en el sistema.…”
unclassified
“…También se observa que no hay cambios en el gasto en la compuerta de la descarga lateral. Sin embargo, hacia aguas abajo del canal, debido a que se quiere mantener el control al final del tramo, se generan variaciones en la descarga hacia el punto C. De igual forma, se evaluaron las ventajas de aplicar controles automáticos no tan complejos, pero con fundamentos sólidos como el de Stringam(Stringam & Wahl, 2015) de perturbaciones, como el que se presenta en el anexo A. Se observa que con los modelos de control automáticos mejora la uniformidad en las entregas de los volúmenes de agua, e incluso cuando se combinan con controles locales automáticos con un control global manual.…”
unclassified