Leveraging open source software and parallel computing for model predictive control of urban drainage systems using EPA-SWMM5

Active stormwater control will play an increasingly important role in mitigating urban flooding, which is becoming more common with climate change and sea level rise. In this paper we describe and demonstrate swmm_mpc, software developed for simulating model predictive control (MPC) for urban draina...

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Bibliographic Details
Published in:Environmental modelling & software : with environment data news 2019-10, Vol.120, p.104484, Article 104484
Main Authors: Sadler, Jeffrey M., Goodall, Jonathan L., Behl, Madhur, Morsy, Mohamed M., Culver, Teresa B., Bowes, Benjamin D.
Format: Article
Language:English
Subjects:
Active control
Climate change
Computer applications
Computer programs
Computer simulation
Control systems
Drainage control
Drainage systems
Evolutionary algorithms
Flooding
Model predictive control
Open source software
Parallel processing
Personal computers
Predictive control
Public domain
Real-time control
Sea level rise
Software
Storage
Storage units
Stormwater
Stormwater management
Urban areas
Urban drainage
Urban drainage modeling
Urban flooding
Water levels
Workflow
World models
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Summary:Active stormwater control will play an increasingly important role in mitigating urban flooding, which is becoming more common with climate change and sea level rise. In this paper we describe and demonstrate swmm_mpc, software developed for simulating model predictive control (MPC) for urban drainage systems using open source software (Python and the EPA Stormwater Management Model version 5 (SWMM5)). Swmm_mpc uses an evolutionary algorithm as an optimizer and supports parallel processing. In the demonstration case for a hypothetical, tidally-influenced urban drainage system, the swmm_mpc control policies for two storage units achieved its objectives of 1) practically eliminating flooding and 2) maintaining the water level at the storage units close to a target level. Although the current swmm_mpc workflow was feasible for a simple model using a desktop PC, a high-performance computer or cloud-based computer with more computational cores would likely be needed for most real-world models. •Open-source implementation of model predictive control for EPA-SWMM5, swmm_mpc.•Evolutionary algorithm used to select effective control policy at each time step.•Parallel processing of genetic algorithm significantly reduces run-time.•Control policy from swmm_mpc minimizes flooding and maintains target water level.•Computational cost measured for personal, high-performance, and cloud-based computers.
ISSN:1364-8152
1873-6726
DOI:10.1016/j.envsoft.2019.07.009