Patent ID: 6549864
Filing Date: 2003-04-15
Classification: G05B,G06K

Abstract:
A computerized system for the production of melt polycarbonate, comprising:a plurality of sensors operable for obtaining a plurality of measurements relating to a plurality of predetermined process variables; wherein the plurality of predetermined process variables comprise process variables selected from the group consisting of molar ratio, adjusted molar ratio, catalyst concentration, flow rate, vacuum, temperature, torque, discharge pressure, melt viscosity, stirring speed, throughput, and pellet speed; a preprocessor operable for preprocessing each of the plurality of measurements for multivariate statistical analysis; an identifier operable for identifying which of the plurality of predetermined process variables affect each of a plurality of predetermined product variables, individually and in combination; a correlator operable for correlating the plurality of predetermined process variables and the plurality of predetermined product variables, individually and in combination; a model generator operable for modeling the relationship between the plurality of predetermined process variables and the plurality of predetermined product variables; and an analyzer operable for analyzing the plurality of predetermined process variables to ensure that the value of each of the plurality of predetermined process variables is within a predetermined range.