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On-line Access: 2010-04-28

Received: 2009-04-17

Revision Accepted: 2009-08-11

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Journal of Zhejiang University SCIENCE C 2010 Vol.11 No.5 P.381-393

http://doi.org/10.1631/jzus.C0910217


New loop pairing criterion based on interaction and integrity considerations


Author(s):  Ling-jian Ye, Zhi-huan Song

Affiliation(s):  Institute of Industrial Process Control, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   zhsong@iipc.zju.edu.cn

Key Words:  Control structure design, Decentralized control, Interaction analysis, Variable pairing, Relative gain array


Ling-jian Ye, Zhi-huan Song. New loop pairing criterion based on interaction and integrity considerations[J]. Journal of Zhejiang University Science C, 2010, 11(5): 381-393.

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author="Ling-jian Ye, Zhi-huan Song",
journal="Journal of Zhejiang University Science C",
volume="11",
number="5",
pages="381-393",
year="2010",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.C0910217"
}

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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.C0910217

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T1 - New loop pairing criterion based on interaction and integrity considerations
A1 - Ling-jian Ye
A1 - Zhi-huan Song
J0 - Journal of Zhejiang University Science C
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EP - 393
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Y1 - 2010
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.C0910217


Abstract: 
Loop pairing is one of the major concerns when designing decentralized control systems for multivariable processes. Most existing pairing tools, such as the relative gain array (RGA) method, have shortcomings both in measuring interaction and in integrity issues. To evaluate the overall interaction among loops, we propose a statistics-based criterion via enumerating all possible combinations of loop statuses. Furthermore, we quantify the traditional concept of integrity to represent the extent of integrity of a decentralized control system. Thus, we propose that a pairing decision should be made by taking both factors into consideration. Two examples are provided to illustrate the effectiveness of the proposed criterion.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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