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Title: Closed-loop identification of second order dead time process models
Authors: Krishnaswamy, P.R. 
Rangaiah, G.P. 
Keywords: Closed-loop identification
Parameter estimation
Second-order model
Issue Date: 1996
Source: Krishnaswamy, P.R.,Rangaiah, G.P. (1996). Closed-loop identification of second order dead time process models. Chemical Engineering Research and Design 74 (1) : 30-34. ScholarBank@NUS Repository.
Abstract: In recent years, a number of closed-loop reaction curve methods have been proposed1-3 for establishing second order dead time model parameters of the open-loop process. The applicability of these methods has been restricted to oscillatory closed-loop test data. In addition, these methods have not been analysed on a comparative basis. The present study, therefore, extends the applicability of these recent identification methods to overdamped closed-loop test data, and evaluates the methods through three typical processes via simulation. The effect of noise is also considered. The results show that the methods due to Bogere and Ozgen1 and Lee et al.2 generally provide consistent and accurate models of the open-loop process.
Source Title: Chemical Engineering Research and Design
ISSN: 02638762
Appears in Collections:Staff Publications

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