Control apparatus

Details Control apparatus Control apparatus

2005-07-19

2005-07-19

Knight, Anthony (Department: 2121)

Data processing: generic control systems or specific application

Generic control system, apparatus or process

Optimization or adaptive control

C700S028000, C700S037000, C700S044000

Reexamination Certificate

active

06920362

ABSTRACT:
A control apparatus which controls a controlled system with a transfer function regarded as a secondary delay, comprises an outer loop which performs negative feedback of an output of the controlled system in order to obtain a deviation between the output and a desired value, an inner loop which performs negative feedback of a signal obtained by multiplying a differential value of the output of the controlled system by a first gain to the deviation, and a nonlinear inner feedback loop which uses the differential value of the output of the controlled system and a product obtained by multiplying an absolute value of the deviationeor n-th (n is an integer) power of the absolute value by the second gain to perform positive feedback to the deviation.

REFERENCES:
patent: 4346433 (1982-08-01), Rutledge
patent: 4466054 (1984-08-01), Shigemasa et al.
patent: 5019958 (1991-05-01), Varga et al.
patent: 5034872 (1991-07-01), Losic et al.
patent: 5200681 (1993-04-01), Hiroi
patent: 5282129 (1994-01-01), Losic et al.

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