Extremum-Seeking Control Approach Based on the Influent Variability for Anaerobic Digestion Optimization

Marian Barbu, Emil Ceangă, Ramon Vilanova, Sergiu Caraman, George Ifrim

Research output: Contribution to journalArticleResearchpeer-review

5 Citations (Scopus)

Abstract

© 2017 Extremum-seeking optimization of the anaerobic digestion processes is often cited in literature. Its achievement implies the use of an external dither signal, either deterministic or stochastic, which is reflected on the command variability, thus affecting the actuator fatigue and the energy consumption. This paper proposes the use of the extremum-seeking control but without using a dither signal included in the extremal controller for the process optimization. Instead we will use, as searching signals, the diurnal variations of the influent wastewater concentration. In the optimization a criterion is used that considers the biogas production rate and that is penalized with a term counting for the pollution resulting with the anaerobic digestion effluent discharge.
Original languageEnglish
Pages (from-to)12623-12628
JournalIFAC-PapersOnLine
Volume50
Issue number1
DOIs
Publication statusPublished - 1 Jul 2017

Keywords

  • Dynamics
  • Scheduling
  • Wastewater treatment processes
  • control
  • coordination
  • optimization

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