Control apparatus for plant

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – With indicator or control of power plant

Reexamination Certificate

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Details

C701S031000, C701S301000, C701S093000

Reexamination Certificate

active

07124015

ABSTRACT:
The present invention provides a control apparatus for a plant, which can suppress excessive correction for a spiky disturbance being applied and maintain a good controllability, when controlling the plant, which is a controlled object, with the self-tuning regulator. A detected equivalent ratio KACT is input to a high-pass filter33, and a high-pass filter output KACTHP is input to a parameter adjusting mechanism42. The parameter adjusting mechanism42calculates a corrected updating vector (KID·dθ(k)) by multiplying an updating component dθ of a model parameter vector by a correction coefficient KID, and adds the corrected updating vector to a preceding value θ(k−1) of the model parameter vector, to thereby calculate a present value θ(k). The correction coefficient KID is changed from “1.0” to a value near “0” upon detection of the spiky response where an absolute value of the high-pass filter output KACTHP increases.

REFERENCES:
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patent: 11-8936 (1999-12-01), None
patent: 2000-234550 (2000-08-01), None

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