NDLI: Optimal pump scheduling and water flow in water distribution networks

Content Provider	IEEE Xplore Digital Library
Author	Fooladivanda, Dariush Taylor, Joshua A.
Copyright Year	2015
Description	Author affiliation: Dept. of Electrical and Computer Engineering, University of Toronto, Canada (Fooladivanda, Dariush; Taylor, Joshua A.)
Abstract	This paper focuses on the optimal operation of water distribution networks. We model water distribution networks using physical and hydraulic constraints, and formulate a joint pump scheduling and water flow problem using the hydraulic characteristics of variable speed pumps. The optimal pump scheduling and water flow problem is a mixed integer nonlinear program. This problem is generally non-convex, and hence NP-hard. We propose a second-order cone relaxation for this problem, and analytically show that the proposed relaxation is exact for a wide class of water network topologies. The proposed problem is a mixed integer nonlinear program with a linear objective function and quadratic constraints. This problem can be solved with a commercial solver such as CPLEX. Finally, we consider a real-world water network, and demonstrate the effectiveness of the proposed relaxation in computing the optimal pump schedules and water flows.
Starting Page	5265
Ending Page	5271
File Size	357093
Page Count	7
File Format	PDF
e-ISBN	9781479978861
DOI	10.1109/CDC.2015.7403043
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-12-15
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Junctions Processor scheduling Schedules Water resources Computational modeling Job shop scheduling
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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