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Online Process Optimization with Active Constraint Set Changes using Simple Control Structures

Krishnamoorthy, Dinesh; Skogestad, Sigurd
Journal article, Peer reviewed
Accepted version
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URI
http://hdl.handle.net/11250/2638884
Date
2019
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  • Institutt for kjemisk prosessteknologi [1876]
  • Publikasjoner fra CRIStin - NTNU [41890]
Original version
Industrial & Engineering Chemistry Research. 2019, 58 (30), 13555-13567.   10.1021/acs.iecr.9b00308
Abstract
The purpose of this paper is to show that online process optimization can be achieved using simple control structures without the need for solving numerical optimization problems online. In particular, we show that changes in active constraint regions can be handled using simple logics such as selectors, without needing to identify the exact location of the active constraint regions a priori, nor using a detailed model online. Good case studies are used to clearly demonstrate how optimal operation can be achieved with changes in active constraint regions using simple feedback control structures.
Publisher
American Chemical Society
Journal
Industrial & Engineering Chemistry Research

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