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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

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Optimal control for alternating aerobic-anoxic wastewater treatment plant

Sanchez, A. and Katebi, Reza and Johnson, M.A. (2002) Optimal control for alternating aerobic-anoxic wastewater treatment plant. In: 15th Triennial World Congress of the International Federation of Automatic Control, 2002-07-21 - 2002-07-26.

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Abstract

This paper reports on a new approach in modelling and controlling an alternating aerobic-anoxic wastewater treatment plant. The plant is controlled using a model predictive approach adapted for the specific problem. The model embedded in the control structure is a linear time-variant approximation to ASM No.1. The predictive structure only considers the zero frequency component of controlled variables for the optimal duty cycle value calculation. Simulations of the controller behaviour are presented considering no plant-model mismatch.