Method of multivariable predictive control utilizing range contr

Details Method of multivariable predictive control utilizing range contr Method of multivariable predictive control utilizing range contr

1993-01-26

1994-09-27

Ruggiero, Joseph

Boots, shoes, and leggings

364152, 364157, G06F 1546, G05B 1302

Patent

active

053511840

ABSTRACT:
A process control system which includes at least one manipulated variable and at least one controlled variable, provides a method for robust control of a process. Predetermined constraints of the manipulated variables and the controlled variables, and the present values of the manipulated variables are obtained. New values are calculated for the controlled variables for a predetermined number of points in the future, such that the values of the controlled variables are within the predetermined range thereby obtaining an optimal robustness of the resultant controller. The manipulated variables are also calculated to be within predetermined constraints, and the controlled variables to fall within a predetermined range when controllable. From a plurality of solutions, a most robust solution is selected. Then the manipulated variables are adjusted to cause the process control system to drive the values of the controlled variables to the calculated values.

REFERENCES:
patent: 4349869 (1982-09-01), Prett et al.
patent: 4916635 (1990-04-01), Singer et al.
patent: 5184292 (1993-02-01), Schneider

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