Robust adaptive process control of a polymerization reactor

SA Mendoza-Bustos, A Penlidis, WR Cluett - Computers & chemical …, 1990 - Elsevier
Two different approaches to robust adaptive control are applied to the control of monomer
conversion (ie productivity) of a simulated continuous solution polymerization reactor in the …

Nonlinear control of a batch polymerization reactor

M Soroush, C Kravaris - 1991 American Control Conference, 1991 - ieeexplore.ieee.org
This work studies the experimental application of the globally linearizing control (GLC)
methodology to a batch polymerization reactor. The GLC methodology is used to start-up the …

Nonlinear Control of a Two-Input, Trhee-State Polymerization Reactor

J Alvarez, E Hernandez… - 1988 American Control …, 1988 - ieeexplore.ieee.org
A differential geometric methodology is used to establish, at the structural level (regardless
of specific controllers), the existence of a global solution of the nonlinear control problem …

Fuzzy control of a semi-batch copolymerization reactor

MM Mahesh, KP Madhavan, M Chidambaram - Chemical Engineering and …, 1993 - Elsevier
This study describes the development of a rule-based fuzzy controller for regulating the
copolymer composition (F 1) in a semi-batch solution copolymerization s. The membership …

Control of an industrial polymerization reactor using flatness

N Petit, P Rouchon, JM Boueilh, F Guérin… - Journal of Process …, 2002 - Elsevier
The aim of this paper is to report the design and use of a controller for the world's largest
polypropylene reactor. This is the first industrial process-controller to use the so-called …

Performance analysis of three controllers for the polymerisation of styrene in a batch reactor

EE Ekpo, IM Mujtaba - Chemical Product and Process Modeling, 2007 - degruyter.com
The performance analysis of three advanced non linear controllers is the main focus of this
paper. All three controllers are applied for the control of a batch polymerisation reactor which …

Effect of impurities on continuous solution methyl methacrylate polymerization reactors—II. Closed-loop real-time control

DCH Chien, A Penlidis - Chemical engineering science, 1994 - Elsevier
Closed-loop experimental results for conversion control in the presence of reactive
impurities in continuous solution methyl methacrylate polymerization reactors are presented …

Adaptive control of the molecular weight-distribution in living anionic polymerization processes

K Arnold, AF Johnson, J Ramsay - IFAC Proceedings Volumes, 1980 - Elsevier
A model reference control strategy is discussed for the production of monodisperse
polymers and polymers of any pre-defined molecular weight distribution fran 'living'anionic …

Multivariable control strategy based on bifurcation analysis of an industrial gas-phase polymerization reactor

NPG Salau, GA Neumann, JO Trierweiler… - Journal of Process …, 2009 - Elsevier
In an industrial gas-phase polyethylene reactor, the safe operating range of temperature is
rather narrow. Even within this temperature range, temperature excursions must be avoided …

Hierarchical time-optimal control of a continuous copolymerization reactor during start-up or grade change operation using genetic algorithms

MH Lee, C Han, KS Chang - Computers & chemical engineering, 1997 - Elsevier
During start-up or grade-change operation of a continuous polymerization reactor, the
transition time, required to reach the desired steady state from the initial state, decides the …