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A Case Study in Modeling and Process Control: the Control of a Pilot Scale Heating and Ventilation System
Mooney, Robin; O'Dwyer, Aidan
This paper details the control of a pilot scale laboratory heating and ventilation system. The system is represented in 2x2 multi-input, multi-output (MIMO) form. A process reaction curve identification technique was used to model (in first order lag plus delay - FOLPD - form) the flow process and temperature process portions of the system, over a range of operating conditions. Tests revealed that both processes were continuously non-linear. A gain scheduler with static decoupling was designed, using look-up tables, to continuously interpolate for the most suitable proportional-integral (PI) or proportional-integral-derivative (PID) controller settings and decoupler gains. The contribution of this paper is the careful application, using well-known techniques, of a complete controller design cycle for a laboratory scale system.
Keyword(s): modelling; process control; PID; gain scheduling; Controls and Control Theory; Engineering
Publication Date:
Type: Conference item
Peer-Reviewed: Unknown
Institution: Dublin Institute of Technology
Citation(s): Conference papers
Publisher(s): Dublin Institute of Technology
File Format(s): application/pdf
First Indexed: 2009-11-23 16:23:33 Last Updated: 2017-12-14 07:05:21