Model predictive control having application to distillation

Abstract From the Canadian patent

A method of controlling a system having manipulated variables to control process parameters of the system in response to deviations of the process parameters from target values related thereto: repeatedly executing a model predictive controller; the model predictive controller having a dataset; during each execution of the model predictive controller updating the dataset with the actual current values of the manipulated variables utilizing the dataset and the step response models to calculate prediction errors; the controlled variables including first and second controlled variables; the open and closed loop predictions being calculated for the first controlled variable and the first …