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Received August 20, 2002
Accepted September 7, 2002
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Mp Criterion Based Multiloop PID Controllers Tuning for Desired Closed Loop Responses
Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, Korea 1School of Chemical Engineering and Technology, Yeungnam University, Kyongsan 712-749, Korea 2Department of Process Engineering, Samsung Engineering Company Ltd., 346-1 Glass Tower, Taechi-dong, Kangnam-gu, Seoul 135-708, Korea
swpark@mail.kaist.ac.kr
Korean Journal of Chemical Engineering, January 2003, 20(1), 8-13(6), 10.1007/BF02697177
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Abstract
A tuning method of multiloop PID controllers is developed based on the generalized IMC PID tuning rule by Lee et al. (1998a). To extend the SISO PID tuning method to MIMO systems, a new tuning criterion is proposed. The criterion is based on the closed loop frequency response method to meet desired performance and robustness as close as possible. Examples for 2×2, 3×3 and 4×4 systems are used to illustrate the proposed method. The results show that the proposed method is superior to conventional methods such as the BLT tuning method.
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