Iterative learning update for batch mode processing

A controller for controlling a batch process, said batch process having a time period, said batch process having a control input and a measured value output, said controller comprising:

• a controller input coupled to said batch process measured value output and a controller output coupled to said batch process control input;
• a desired measured value profile over said batch time period;
• and
• an executing program, said program executing a method comprising the steps of
• storing said controller outputs over at least a portion of a previous batch time period in a previous batch output history,
• calculating a deviation between said desired measured value profile and said measured value over said previous batch time period and storing said deviation in a previous batch deviation history,
• providing a smoothing convolution window,
• providing a decoupling convolution window, and
• generating said controller outputs over a current batch time period as a function of said previous batch output history, said smoothing convolution window, said previous batch deviation history, and said decoupling convolution window.

A computer program for generating a control output to control a batch process having a batch time period at a selected time into said batch time period, said batch process having a control input and a measured value output, said program comprising the steps of:

• storing a plurality of said control outputs over at least a portion of a previous batch time period as a previous batch output history;
• obtaining a plurality of desired measurement value outputs;
• reading in a plurality of said batch process measured value outputs obtained over at least a portion of the previous batch time period;
• calculating a plurality of deviations between said desired measured value outputs and said batch process measured value outputs over said previous batch period and storing said deviation as a previous batch deviation history,
• providing a smoothing convolution window,
• providing a decoupling convolution window, and
• generating said control output for said current batch period as a function of said previous batch output history, said smoothing convolution window, said previous batch deviation history, and said decoupling convolution window.

A computer program product for a generating control output to control a batch process having a time period at a selected time into said batch time period, said batch process having a control input coupled to said control output and a measured value output, said computer program product comprising:

• a computer readable medium having computer readable program code embodied in said medium for causing a batch control method to be executed, the method comprising the steps of
• providing desired measured value outputs for said batch time period as a desired measured value profile;
• storing a plurality of said control outputs over at least a portion of a previous batch time period as a previous batch output history;
• reading in a plurality of said batch process measured value outputs obtained over at least a portion of the previous batch time period;
• calculating a plurality of deviations between said desired measured value profile and said batch process measured value outputs over said previous batch period and storing said deviation as a previous batch deviation history,
• providing a smoothing convolution window,
• providing a decoupling convolution window, and
• generating said control output for said current batch period as a function of said previous batch output history, said smoothing convolution window, said previous batch deviation history, and said decoupling convolution window.

A controller for controlling a batch process, said batch process having a time period, said batch process having a control input and a measured value output, said controller comprising:

• a local controller for controlling the control input based on the measured value output, the local controller having a supervisory controller input;
• a supervisory controller coupled to the supervisory controller input of the local controller and the measured value output, the supervisory controller:
• storing a desired measured value profile over said batch time period;
• storing said supervisory controller outputs over at least a portion of a previous batch time period into a previous batch output history;
• calculating a deviation between said desired measured value profile and said measured value over said previous batch time period and storing said deviations into a previous batch deviation history,
• storing a smoothing convolution window,
• storing a decoupling convolution window, and
• generating said supervisory controller outputs over a current batch period as a function of said previous batch output history, said smoothing convolution window, said previous batch deviation history, and said decoupling convolution window.