Apparatus and method using adaptive gain scheduling
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United States of America Patent
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May 1, 1990
Issued Date -
N/A
app pub date -
Feb 21, 1989
filing date -
Oct 9, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A self-tuning system and method for controlling a process based on a measured variable comprises modular parameter estimators, parameter converters and controllers which are used to control the process and receive input from the process. Self-tuning gain scheduling allows the calculated parameters to be updated by a second variable from the process. Regression analysis is used in conjunction with the conventional gain scheduling to more accurately refine the control action. A limiter is also used in conjunction with the regression analysis to avoid an overly high or low correction signal for the controller.
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