Nonlinear inferential control

descriptionPublicationkeyboard_double_arrow_right Article 01 Apr 1988 English Publisher:WileyJournal:AIChE Journal, volume 34, pages 633-644 (issn: 0001-1541, eissn: 1547-5905,

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Authors: J. R. Parrish; C. B. Brosilow;

doi: 10.1002/aic.690340413

Nonlinear inferential control

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Abstract

AbstractNonlinear inferential control (NLIC) has been developed as a method for improving control of nonlinear systems. The controller is modelbased, and allows for direct use of available measurements. This paper presents the structure of NLIC and the manner in which it is applied to processes when the controlled variables are measured. Also described is the improvement in the process control using NLIC. Two illustrative examples are presented, a laboratory heat exchanger process and a simulated neutralization process. The results indicate that a substantial improvement in control is possible using NLIC.

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