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Learning-Based Predictive Control with Gaussian Processes: An Application to Urban Drainage Networks
Authors
Mohamad Al Ahdab
Krisztian Mark Balla
+4 more
Jan Dimon Bendtsen
Deividas Eringis
Carsten Kallesøe
Carlos Ocampo-Martinez
Publication date
1 January 2022
Publisher
Doi
Abstract
© 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other worksMany 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.Peer ReviewedPostprint (author's final draft
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Last time updated on 31/12/2021
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