Minimum time, optimizing and stabilizing multivariable control m

Details Minimum time, optimizing and stabilizing multivariable control m Minimum time, optimizing and stabilizing multivariable control m

1986-08-06

1988-04-05

Fleming, Michael R.

Boots, shoes, and leggings

364151, 364153, 364157, 364159, 364501, G05B 1304

Patent

active

047363169

ABSTRACT:
In accordance with the present invention, a constraint dependent control method and system for a large scale refinery, chemical process or the like, is provided that allows on-line optimization of one and preferably two plant inputs without need for optimal set points, through iterative generation of a constraint dependent control code normalized to present time t for "driving" the optimized plant inputs rapidly toward optimization but without destabilizing the plant. The generation of such control code includes evaluation of certain key components associated with elements of an optimizing and stabilizing control vector (OSC) from which the code is derived.

REFERENCES:
patent: 4228509 (1980-10-01), Kennedy
patent: 4349869 (1982-09-01), Prett et al.
patent: 4358822 (1982-11-01), Sanchez
patent: 4368509 (1983-01-01), Li
patent: 4639853 (1987-01-01), Rake et al.

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