A methodology for multi-unit control design

Samyudia Y., Lee P.L. and Cameron I.T. (1994) A methodology for multi-unit control design. Chemical Engineering Science, 49 23: 3871-3882. doi:10.1016/0009-2509(94)00196-0


Author Samyudia Y.
Lee P.L.
Cameron I.T.
Title A methodology for multi-unit control design
Journal name Chemical Engineering Science   Check publisher's open access policy
ISSN 0009-2509
Publication date 1994-01-01
Sub-type Article (original research)
DOI 10.1016/0009-2509(94)00196-0
Volume 49
Issue 23
Start page 3871
End page 3882
Total pages 12
Subject 1500 Chemical Engineering
Abstract A decentralised control structure is often preferred to a centralised structure for controlling a multi-unit process. The use of a decentralised control structure requires the plant decomposition. Many plant decompositions may be generated from a particular multi-unit process, even if a decentralised controller employs the same pairing. Therefore, the selection of the best plant decomposition becomes an important task in decentralised control design. In this paper, a new method for evaluating a given set of plant decompositions is proposed. The proposed method treats the interactions between subsystems as a multiplicative output uncertainty. Since the different plant decomposition may result in a different uncertainty bound, the uncertainty bound is used as an indicator to evaluate a set of plant decompositions from which the best plant decomposition may be determined. The calculation of this indicator requires only the open-loop system, so the selection of the best plant decomposition can be performed before the controllers are designed.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 12 Jul 2016, 12:18:09 EST by System User