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Title: Robust PID controller design for nonlinear processes using JITL technique
Authors: Cheng, C.
Chiu, M.-S. 
Keywords: Just-in-time learning
Nonlinear system
PID controller
Robust control
Issue Date: Nov-2008
Citation: Cheng, C., Chiu, M.-S. (2008-11). Robust PID controller design for nonlinear processes using JITL technique. Chemical Engineering Science 63 (21) : 5141-5148. ScholarBank@NUS Repository.
Abstract: A robust PID controller design methodology for nonlinear processes is proposed based on the just-in-time learning (JITL) technique. To do so, a composite model consisting of a nominal ARX model and the JITL, where the former is used to capture linear process dynamics and the latter to approximate the inevitable modeling error caused by the process nonlinearity, is employed to model the process dynamics in the operating space of interest. The state space realizations of this composite model and PID controller are then reformulated as an uncertain closed-loop system, by which the corresponding robust stability condition is developed. Literature examples are employed to illustrate the proposed methodology and a comparison with the previous result is made. © 2008 Elsevier Ltd. All rights reserved.
Source Title: Chemical Engineering Science
ISSN: 00092509
DOI: 10.1016/j.ces.2008.07.013
Appears in Collections:Staff Publications

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