期刊
CONTROL ENGINEERING PRACTICE
卷 36, 期 -, 页码 1-11出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.conengprac.2014.11.008
关键词
Anaerobic digestion; Biogas power plants; Parameter estimation; Linear fractional transformation; System identification
资金
- La Fabbrica della Bioenergia [2009-3170]
- Fondazione Cariplo
- Regione Lombardia, through CITY WISE-NET [40602141]
In this paper, a reduced order model of anaerobic digestion is first proposed, with the main goal to develop an efficient tool for process monitoring and control. Then, in order to perform parameter estimation, the model has been rewritten in a linear fractional transformation (LFT) formulation, using a symbolic tool originally developed for linear models and modified for the processing of nonlinear models. Two different test cases have been considered. In a first case, the data used for parameter identification have been generated by simulating the well known and more complex ADM1 model, considering waste activated sludge as substrate. In a second case, experimental data were collected on a laboratory scale equipment, operated in a semi-batch experiment, performing the anaerobic digestion of ultra-filtered cheese-whey. (C) 2014 Elsevier Ltd. All rights reserved.
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