Control system for plant using an identified model parameter...

Details Control system for plant using an identified model parameter... Control system for plant using an identified model parameter...

2005-01-04

2005-01-04

Gandhi, Jayprakash N. (Department: 2125)

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Optimization or adaptive control

C700S001000, C700S028000, C700S029000, C700S030000

Reexamination Certificate

active

06839598

ABSTRACT:
A control system for a plant is disclosed. According to this system, a model parameter vector of a controlled object model which is obtained by modeling the plant, is identified. A controller controls the plant using the identified model parameter vector. An identifying error of the model parameter vector is calculated, and an updating vector is calculated according to the identifying error. The updating vector has at least one first element which is relevant to an input or an output of the plant, and a second element which is irrelevant to the input and the output of the plant. The updating vector is corrected by multiplying a past value of at least one first element of the updating vector by a predetermined value which is greater than “0” and less than “1”, and multiplying a past value of the second element of the updating vector by “1”. The model parameter vector is calculated by adding the corrected updating vector to a reference vector of the model parameter vector.

REFERENCES:
patent: 5740033 (1998-04-01), Wassick et al.
patent: 6021369 (2000-02-01), Kamihira et al.
patent: 2000-297679 (2000-10-01), None

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