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Title: Model-based design of a plant-wide control strategy for a continuous pharmaceutical plant
Authors: Lakerveld, Richard
Benyahia, Brahim
Braatz, Richard D.
Barton, Paul I.
Keywords: Process control
Design (process simulation)
Plant-wide control
Continuous pharmaceutical manufacturing
Sensitivity analysis
Issue Date: 2013
Publisher: Wiley (© 2013 American Institute of Chemical Engineers)
Citation: LAKERVELD, R. ... et al, 2013. Model-based design of a plant-wide control strategy for a continuous pharmaceutical plant. AIChE Journal, 59 (10), pp.3671–3685.
Abstract: The design of an effective plant-wide control strategy is a key challenge for the development of future continuous pharmaceutical processes. This article presents a case study for the design of a plant-wide control structure for a system inspired by an end-to-end continuous pharmaceutical pilot plant. A hierarchical decomposition strategy is used to classify control objectives. A plant-wide dynamic model of the process is used to generate parametric sensitivities, which provide a basis for the synthesis of control loops. Simulations for selected disturbances illustrate that the critical quality attributes (CQAs) of the final product can be kept close to specification in the presence of significant and persistent disturbances. Furthermore, it is illustrated how selected CQAs of the final product can be brought simultaneously to a new setpoint while maintaining the remaining CQAs at a constant value during this transition. The latter result shows flexibility to control CQAs independently of each other.
Description: This is the pre-peer reviewed version of the article which has been published in final form at http://dx.doi.org/10.1002/aic.14107
Version: Submitted for publication
DOI: 10.1002/aic.14107
URI: https://dspace.lboro.ac.uk/2134/15277
Publisher Link: http://dx.doi.org/10.1002/aic.14107
ISSN: 0001-1541
Appears in Collections:Published Articles (Chemical Engineering)

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