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Switching Control of An Activated Sludge Process
Mojica-Nava, Eduardo; Feudjio Letchindjio, Christian; Vande Wouwer, Alain
2018
 

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Abstract :
[en] The activated sludge process is a complex microbial system used for biological wastewater treatment, i.e., carbon and ammonium removal. The main control objective is to regulate the outflow water quality despite disturbances in the inflow, such as influent flow, or influent concentration. The alternate phase process consists of a single bioreactor where oxygen is supplied intermittently to create nitrification and denitrification conditions while the biomass is recycled continuously from a settler. In this study, a switched affine model is first derived from an existing dynamic model. Then, a switching signal law and a feedback control are developed to reduce the ammonium concentration while keeping the closedloop system stable. The proposed control strategy is validated in simulation with MATLAB/Simulink considering several influent scenarios such as dry, rainy, and stormy weather conditions.
Research center :
BIOSYS - Biosys
Disciplines :
Electrical & electronics engineering
Biotechnology
Author, co-author :
Mojica-Nava, Eduardo
Feudjio Letchindjio, Christian ;  Université de Mons > Faculté Polytechnique > Systèmes, Estimation, Commande et Optimisation
Vande Wouwer, Alain  ;  Université de Mons > Faculté Polytechnique > Service Systèmes, Estimation, Commande et Optimisation
Language :
English
Title :
Switching Control of An Activated Sludge Process
Publication date :
24 September 2018
Event name :
2nd IEEE Conference on Control Technology and Applications (CCTA 2018)
Event place :
Copenhagen, Denmark
Event date :
2018
Research unit :
F107 - Systèmes, Estimation, Commande et Optimisation
Research institute :
R100 - Institut des Biosciences
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since 07 November 2018

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