Optimizing wastewater pumping system with data-driven models and a greedy electromagnetism-like algorithm

Optimizing a pumping system in the wastewater treatment process by improving its operational schedules is presented. The energy consumption and outflow rate of the pumping system are modeled by a data-driven approach. A mixed-integer nonlinear programming (MINLP) model containing data-driven compone...

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Veröffentlicht in:Stochastic environmental research and risk assessment 2016-04, Vol.30 (4), p.1263-1275
Hauptverfasser: Zeng, Yaohui, Zhang, Zijun, Kusiak, Andrew, Tang, Fan, Wei, Xiupeng
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creator Zeng, Yaohui
Zhang, Zijun
Kusiak, Andrew
Tang, Fan
Wei, Xiupeng
description Optimizing a pumping system in the wastewater treatment process by improving its operational schedules is presented. The energy consumption and outflow rate of the pumping system are modeled by a data-driven approach. A mixed-integer nonlinear programming (MINLP) model containing data-driven components and pump operational constraints is developed to minimize the energy consumption of the pumping system while maintaining the required pumping workload. A greedy electromagnetism-like (GEM) algorithm is designed to solve the MINLP model for optimized operational schedules and pump speeds. Three computational cases are studied to demonstrate the effectiveness of the proposed data-driven modeling and GEM algorithm. The computational results show that significant energy saving can be obtained.
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subjects Algorithms
Aquatic Pollution
Chemistry and Earth Sciences
Computation
Computational Intelligence
Computer Science
Earth and Environmental Science
Earth Sciences
energy
Energy conservation
Energy consumption
Energy efficiency
Environment
Greedy algorithms
Math. Appl. in Environmental Science
Mathematical models
Nonlinear programming
Original Paper
Physics
Probability Theory and Stochastic Processes
Pumping
Pumps
Schedules
Statistics for Engineering
Waste Water Technology
wastewater
Wastewater treatment
Water Management
Water Pollution Control
Water treatment
title Optimizing wastewater pumping system with data-driven models and a greedy electromagnetism-like algorithm
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