Feedforward and feedback control of a solution copolymerization reactor

JP Congalidis, JR Richards, WH Ray - AIChE Journal, 1989 - Wiley Online Library
A control system is designed for a copolymerization reactor using a combination of
feedforward, ratio, and feedback control to regulate polymer production rate, copolymer …

Constrained output feedback control of a multivariable polymerization reactor

MJ Kurtz, GY Zhu, MA Henson - IEEE Transactions on Control …, 2000 - ieeexplore.ieee.org
A multivariable nonlinear control strategy which accounts for unmeasured state variables
and input constraints is developed for the free-radical polymerization of methyl methacrylate …

Multivariable nonlinear control of a continuous polymerization reactor: an experimental study

M Soroush, C Kravaris - AIChE journal, 1993 - Wiley Online Library
This experimental work concerns the multivariable nonlinear control of a continuous stirred‐
tank polymerization reactor. The globally linearizing control (GLC) method is implemented to …

Continuous solution polymerization reactor control. 1. Nonlinear reference control of methyl methacrylate polymerization

DK Adebekun, FJ Schork - Industrial & engineering chemistry …, 1989 - ACS Publications
This paper focuses on nonlinear control of a solution polymerization reactor via a reference
controller. A stability and convergence analysis shows that global stabilization of the reactor …

Control of a solution copolymerization reactor using multi-model predictive control

L Özkan, MV Kothare, C Georgakis - Chemical engineering science, 2003 - Elsevier
We study the control of a solution copolymerization reactor using a model predictive control
algorithm based on multiple piecewise linear models. The control algorithm is a receding …

Process control of polymerization reactors: An industrial perspective

JP Congalidis, JR Richards - Polymer Reaction Engineering, 1998 - Taylor & Francis
Polymerization reactors usually exhibit complex nonlinear dynamic behavior because of the
complexity of the physicochemical interactions and the kinetics of the polymerization …

Computer optimal control of batch polymerization reactors

SR Ponnuswamy, SL Shah… - Industrial & engineering …, 1987 - ACS Publications
This paper presents a theoretical and experimental analysis of theopen-and closed-loop
optimal control of a batch reactor for the solution polymerization of methyl methacrylate. A …

Continuous solution polymerization reactor control. 2. Estimation and nonlinear reference control during methyl methacrylate polymerization

DK Adebekun, FJ Schork - Industrial & engineering chemistry …, 1989 - ACS Publications
This paper focuses on the estimation and control of a continuous reactor during solution
polymerization of methyl methacrylate in a CSTR. The leading moments of the molecular …

Feedback control of polymer quality in semi-batch copolymerization reactors

DJ Kozub, JF MacGregor - Chemical Engineering Science, 1992 - Elsevier
An on-line, nonlinear inferential feedback control strategy for semi-batch emulsion
copolymerization reactors is proposed. The proposed strategy features a nonlinear estimator …

Nonlinear control of a polymerization CSTR with singular characteristic matrix

M Soroush, C Kravaris - AIChE journal, 1994 - Wiley Online Library
This experimental work concerns the multivariable nonlinear control of a pilotsize
continuous polymerization reactor with generically singular characteristic matrix. The control …