Self tuning of P-I-D controller by conversion of discrete time m

Details Self tuning of P-I-D controller by conversion of discrete time m Self tuning of P-I-D controller by conversion of discrete time m

1980-10-20

1983-09-27

Ruggiero, Joseph F.

Boots, shoes, and leggings

318561, 364157, 364162, G05B 1304, G05B 1142

Patent

active

044070136

ABSTRACT:
A P-I-D controller in a process control system is self tuned in response to discrete time model identification parameters which are converted to P-I-D form.
Additionally, the P-I-D parameters are limited to prevent them from exceeding the controller's specified range.

REFERENCES:
patent: 3621217 (1971-11-01), Carr et al.
patent: 3758762 (1973-09-01), Littman et al.
patent: 3828171 (1974-08-01), Griffin
patent: 4054780 (1977-10-01), Bartley et al.
patent: 4195337 (1980-03-01), Bertrand et al.
patent: 4197576 (1980-04-01), Sanchez
patent: 4214300 (1980-07-01), Barlow et al.
patent: 4214301 (1980-07-01), Kurihara et al.
Oahlin, "Designing and Tuning Digital Controllers" Instruments and Control Systems, Jun. 1968, vol. 2, No. 6, pp. 77-83.
Touchstone et al., "Adaptive Control Through Instrumental-Variable Estimation of Discrete Model Parameters", Proceedings of ISA/77, Anaheim, Ca., May 2-5, 1977, pp. 57-64.

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