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Stabilizing relay experiment for modeling of unstable processes with large time delay

Mehta, Utkal V. (2014) Stabilizing relay experiment for modeling of unstable processes with large time delay. Proceedings of the Institution of Mechanical Engineers Part I-Journal of Systems and Control Engineering, 228 (6). pp. 359-368. ISSN 0959-6518

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Abstract

Relay experiment can be used to identify exact model parameters of an unstable first-order plus dead time transfer function when a limit cycle exists. This article deals with unstable processes with large time delay where the relay test is not applicable. For these processes, the conventional relay method does not induce a stable limit cycle at the output. A method to overcome the problems with inducing a sustained limit cycle output is discussed by deriving a suitable stabilizer for a feedback control. Then, a non-iterative estimation technique is given to identify the unknown parameters of a first-order mathematical model.

Item Type: Journal Article
Additional Information: Restricted access by publisher
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TK Electrical engineering. Electronics Nuclear engineering > Robotics and Automation
Divisions: Faculty of Science, Technology and Environment (FSTE) > School of Engineering and Physics
Depositing User: Utkal Mehta
Date Deposited: 24 Jun 2014 14:25
Last Modified: 11 May 2016 15:27
URI: http://repository.usp.ac.fj/id/eprint/7519

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