Control circuit for a controller and a method of operating the s

Details Control circuit for a controller and a method of operating the s Control circuit for a controller and a method of operating the s

1981-03-10

1983-11-15

Ruggiero, Joseph F.

Boots, shoes, and leggings

318610, 364161, 364183, 364184, G05B 1142

Patent

active

044159668

ABSTRACT:
The method serves to control sluggishly reacting plants by controllers in which rapid changes in set value occur. The controller has an integral section and a proportional section separate from the I-section. The I-section receives a control deviation signal formed from the actual value and the set value, whereas the P-section is supplied with the set value. The output signals of the I-section and of the P-section act on the plant. The I-section is blocked for the duration of an abrupt change in the set value.
As a result of this relatively short interruption in operation of the I-section, the control of the plant is improved.

REFERENCES:
patent: 3495074 (1970-02-01), Jacques
patent: 3646454 (1972-02-01), Southern
patent: 3819999 (1974-06-01), Platt
patent: 3938017 (1976-02-01), Hayes
patent: 4276603 (1981-06-01), Beck et al.

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