Two-phase method for real time process control

Details Two-phase method for real time process control Two-phase method for real time process control

1992-06-16

1994-07-12

Smith, Jerry

Boots, shoes, and leggings

364148, 364151, G06F 1546

Patent

active

053294432

ABSTRACT:
A method of process control using linear programming models to implement the control of one or more controlled variables to maintain a desired target value over a given time horizon. The controlled variables are controlled by a process controller which adjusts manipulated variables in real time. The method uses two linear programming models with the second model computed from the solution of the first in which the absolute value of the deviation for each controlled variable from its target value over a specified time horizon is computed. This permits the controlled variables to be adjusted with the changes in the manipulated variables held to a minimum over the time horizon under control.

REFERENCES:
patent: 4349869 (1982-09-01), Prett et al.
patent: 4358822 (1982-11-01), Sanchez
patent: 4616308 (1986-10-01), Morshedi et al.
patent: 4736316 (1988-04-01), Wallman
patent: 5050064 (1991-09-01), Mayhew

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