Multi-variable PID control design for wastewater system

N. Abdul Wahab, M.R. Katebi, J. Balderud

Research output: Contribution to conferencePaper

15 Citations (Scopus)

Abstract

This paper investigates the application of multivariable PID controllers to a wastewater treatment process. Four multivariable PID control schemes are investigated. The methods considered are those suggested by Davison, Penttinen- Koivo, Maciejowski and a new method proposed in this paper. All of the methods are suitable for multi-input multi-output (MIMO) control loops that experience loop interaction. The methods, furthermore, requires only simplistic plant models. The performance of the methods is assessed using a nonlinear benchmark model, and the optimal tuning values are determined using an optimisation method. The simulation results show the significance of the study and lead to the conclusion that the proposed method yields somewhat better results than other methods with respect to decoupling capabilities and closed-loop performance.
Original languageEnglish
Pages1-6
Number of pages5
DOIs
Publication statusPublished - 27 Jul 2007
Event15th IEEE Mediterranean Conference on Control and Automation, (MED07), 27-29 June 2007 - Athens, Greece
Duration: 27 Jun 200729 Jun 2007

Conference

Conference15th IEEE Mediterranean Conference on Control and Automation, (MED07), 27-29 June 2007
CityAthens, Greece
Period27/06/0729/06/07

Keywords

  • multivariable PID
  • wastewater systems
  • optimisation
  • controller tuning

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