Journal ArticleDOI
Nonlinear adaptive temperature control of multi-product, semi-batch polymerization reactors
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TLDR
In this article, a nonlinear adaptive controller with an extended Kalman filter is proposed for temperature control of semi-batch polymerization reactors, which is based on differential geometric concepts.About:
This article is published in Computers & Chemical Engineering.The article was published on 1997-01-01. It has received 77 citations till now. The article focuses on the topics: Nonlinear control & Adaptive control.read more
Citations
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Journal ArticleDOI
Latent variable MPC for trajectory tracking in batch processes
TL;DR: In this paper, a multivariate empirical model predictive control strategy (LV-MPC) for trajectory tracking and disturbance rejection for batch processes is presented based on dynamic principal component analysis (PCA) models of the batch process.
Journal ArticleDOI
Latent Variable Model Predictive Control (LV-MPC) for trajectory tracking in batch processes
TL;DR: In this paper, two latent variable model predictive control (LV-MPC) algorithms are developed for trajectory tracking and disturbance rejection in batch processes, based on multi-phase PCA models developed using batch-wise unfolding of batch data arrays.
Journal ArticleDOI
Real-time monitoring of an industrial batch process
TL;DR: Novel approaches based upon multivariate statistical techniques are shown to provide a soft sensor that can estimate the product quality throughout the batch and provide a long-term estimate of the likely cycle time.
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Optimization of molecular-weight distribution using batch-to-batch adjustments
TL;DR: A batch-to-batch optimization methodology for producing a desired molecular-weight distribution (MWD) using an approximate model is presented, which uses fundamental polymer knowledge in order to simplify an otherwise complicated optimization problem and provide significant freedom in manipulated variable selection.
Journal ArticleDOI
Feedforward control with online parameter estimation applied to the Chylla–Haase reactor benchmark
TL;DR: Simulation results under model uncertainties show the effectiveness and accuracy of the adaptive feedforward control concept while maintaining the conventional feedback cascade control.
References
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Book
Introduction to chemical engineering thermodynamics
TL;DR: In this article, the second law of thermodynamics is used to describe the properties of pure fluids and their properties in the context of flow process analysis, and a discussion of the application of thermodynamic analysis of processes can be found.
Book
Principles and Practice of Automatic Process Control
TL;DR: This chapter discusses the design and operation of single Loop Feedback Control Systems, and some of the techniques used in dynamic simulation, as well as basic components of Control Systems.
Journal ArticleDOI
Geometric methods for nonlinear process control. 1. Background
TL;DR: In this article, the authors review the mathematical and systems theory background, including linear results, tools from differential geometry, nonlinear inversion, and zero dynamics, and the concept of feedback linearization of nonlinear systems.
Journal ArticleDOI
On‐line inference of polymer properties in an industrial polyethylene reactor
Kim B. McAuley,John F. MacGregor +1 more
TL;DR: In this paper, the authors developed a method to predict melt index and density in a fluidized-bed ethylene copolymerization (EPC) reactor using on-line temperature and gas composition measurements.
Journal ArticleDOI
State estimation for semi-batch polymerization reactors
D.J. Kozub,John F. MacGregor +1 more
TL;DR: In this paper, three approaches to nonlinear state estimation are evaluated for application to semi-batch polymerization problems, and the reiterative extended Kalman filter approach is shown to be the best suited for semibatch polymers.
Related Papers (5)
Temperature control of exothermic batch reactors using generic model control
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Latent variable MPC for trajectory tracking in batch processes
Nonlinear control of a batch polymerization reactor: An experimental study
Masoud Soroush,Costas Kravaris +1 more