Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/57243
Title: Relay-enhanced multi-loop PI controllers
Authors: Tan, K.K. 
Ferdous, R.
Keywords: Interaction
Multi-loop control
Multivariable process
PI control
Issue Date: Apr-2003
Source: Tan, K.K.,Ferdous, R. (2003-04). Relay-enhanced multi-loop PI controllers. ISA Transactions 42 (2) : 273-277. ScholarBank@NUS Repository.
Abstract: In this paper, the development of relay-enhanced multi-loop PI controllers is described for multivariable processes. The control system employs a relay in series with the controller. The relay can ensure a satisfactory level of closed-loop performance and it also yields oscillations for tuning of the PI controller based on an equivalent process model for each loop. A simulation example [on a two-inputs-two-outputs (TITO) process] is provided to illustrate the effectiveness of the proposed method and to compare its performance to an existing method. © 2003 ISA - The Instrumentation, Systems, and Automation Society.
Source Title: ISA Transactions
URI: http://scholarbank.nus.edu.sg/handle/10635/57243
ISSN: 00190578
Appears in Collections:Staff Publications

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