Abstract
Many traditional control solutions in urban drainage networks suffer from unmodelled nonlinear effects such as rain and wastewater infiltrating the system. These effects are challenging and often too complex to capture through physical modelling without using a high number of flow sensors. In this article, we use level sensors and design a stochastic model predictive controller by combining nominal dynamics (hydraulics) with unknown nonlinearities (hydrology) modelled as Gaussian processes. The Gaussian process model provides residual uncertainties trained via the level measurements and captures the effect of the hydrologic load and the transport dynamics in the network. To show the practical effectiveness of the approach, we present the improvement of the closed-loop control performance on an experimental laboratory setup using real rain and wastewater flow data.
Original language | English |
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Title of host publication | 2022 American Control Conference, ACC |
Number of pages | 7 |
Publisher | IEEE |
Publication date | Sept 2022 |
Pages | 4627-4633 |
ISBN (Print) | 978-1-6654-5197-0, 978-1-6654-9480-9 |
ISBN (Electronic) | 978-1-6654-5196-3 |
DOIs | |
Publication status | Published - Sept 2022 |
Event | 2022 American Control Conference (ACC) - Duration: 8 Jun 2022 → 10 Jun 2022 |
Conference
Conference | 2022 American Control Conference (ACC) |
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Period | 08/06/2022 → 10/06/2022 |
Series | Annual American Control Conference (ACC) |
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ISSN | 2378-5861 |
Keywords
- Learning (artificial intelligence)
- Gaussian Processes
- Urban Drainage Network
- Waste Water
- Model Predictive Control
- Gaussian process regression
- Kernel function
- Subset of Data
- Water Management
- Rain infiltration
- Disturbances
- Time delay systems
- System identification
- Training data
- Closed-loop performance
- Uncertainty propagation
- Forecast
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Smart Water Infrastructures Laboratory (SWIL)
Jorge Val Ledesma (Operator), Rafal Wisniewski (Manager), Carsten Kallesøe (Operator), Saruch Satishkumar Rathore (Manager), Rahul Misra (Manager), Vishal Sopan Sawant (Manager) & Abhijit Mazumdar (Manager)
Department of Electronic SystemsFacility: Laboratory