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Modelling and PIP control design for open top chambers

Research output: Contribution to journalJournal article

Published

Journal publication date10/1998
JournalControl Engineering Practice
Journal number10
Volume6
Number of pages8
Pages1209-1216
Original languageEnglish

Abstract

The paper first describes the identification of a control model for carbon dioxide concentration in an open-top chamber (OTC) used in plant physiology atmospheric change experiments. This model is then employed in the design of a gain-scheduled controller utilising the Proportional-Integral-Plus (PIP) control design methodology developed by Young et al. (1987). The system has been evaluated in a number of field trials, yielding good control, well within the required design specifications.