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Extremum-seeking with variable gain control for intensifying biogas production in anaerobic fermentation

In English

Författare

Summary, in English

A state-dependent variable-gain control system is implemented to follow the characteristics of a laboratory-scale up-flow anaerobic fixed-bed reactor dynamically. The transition from one state to another is determined on an hourly basis, depending on difference between the setpoint of the reactor pH and its true value. Considerable improvement of the process stability - reduction of oscillation in both the reactor pH and biogas production rate during high-rate operation, has been achieved, although the control structure is simple and intuitive.

Publiceringsår

2006

Språk

Engelska

Sidor

35-44

Publikation/Tidskrift/Serie

Water Science and Technology

Volym

53

Issue

4-5

Dokumenttyp

Artikel i tidskrift

Förlag

IWA Publishing

Ämne

  • Other Electrical Engineering, Electronic Engineering, Information Engineering
  • Industrial Biotechnology

Nyckelord

  • cascade control
  • anaerobic digestion
  • extremum-seeking
  • variable-gain
  • control

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0273-1223