Polymerization processes require adequate monitoring to ensure that the final product
meets specification. Various on-line measuring techniques have been developed and …

Dynamic optimization represents a natural choice for reducing production costs while
guaranteeing safety and quality constraint. However, in the presence of uncertainty …

The validity of an online state estimator for a semi‐batch MMA/MA solution copolymerization
reactor was established using online densitometer and viscometer. Using the conventional …

The difficulties encountered in chemical engineering arise from the lack of reliable and
robust sensors. Several works deal with the design of software sensors in order to estimate …

It is important to optimize the transients (start-up and grade transitions) while making several
grades of polymer in a single continuous polymerization reactor. Often the grade transitions …

A large number of high activity catalysts are used to produce different grades of polymers in
a continuous olefin polymerization reactor. Often the transition from one grade to another is …

A nonlinear reduced-order state observer is applied to estimate the degree of polymerization
in a series of polycondensation reactors. The finishing stage of polyethylene terephthalate …

In this work, a dynamic filter for nonlinear systems is implemented for on-line sate estimation,
dynamic data reconciliation, molar mass distribution (MMD) monitoring, and feedback …

In batch chemical processing, dynamic optimization is the method of choice to reduce
production costs while satisfying safety constraints and product specifications. Most of the …

An on-line, nonlinear inferential feedback control strategy for semi-batch emulsion
copolymerization reactors is proposed. The proposed strategy features a nonlinear estimator …