Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)
Online ISSN : 2185-6648
ISSN-L : 2185-6648
Journal of Environmental Systems Research, Vol.40
MINIMIZING POWER USAGE IN WATER DISTRIBUTION SYSTEM USING MIXED INTEGER LINEAR PROGRAMMING
Yasuhiro ARAIToshiki HORIEAkira KOIZUMIToyono INAKAZUAtsushi MASUKOSatoshi TAMURATakashi YAMAMOTO
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2012 Volume 68 Issue 6 Pages II_273-II_281

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Abstract
 In this research we considered the optimal water supply control and management plan for minimizing power usage by water distribution pumps. We first looked at water distribution systems in urban areas from the standpoint of energy conservation and determined what kind of water supply control and management is necessary for saving energy. We devised an optimal model of the "route/flow decision problem" for minimizing power use in the water distribution system as a whole while meeting demand in the distributing areas, and formularized the model by means of Mixed Integer Linear Programming (MILP). Then to validate the MILP model we attempted a case study. As a result of hourly analysis, we determined that by changing the allocation ratios of water distributed from each facility to those proposed in an alternative plan based on the MILP-derived model, power usage can be reduced by approximately 8 percent compared to conventional water supply control and management methods.
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© 2012 Japan Society of Civil Engineers
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