Method and apparatus for minimizing error in dynamic and steady-state processes for prediction, control, and optimization

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United States of America Patent

PATENT NO 8311673
APP PUB NO 20060259197A1
SERIAL NO

11359296

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Abstract

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A method for providing independent static and dynamic models in a prediction, control and optimization environment utilizes an independent static model (20) and an independent dynamic model (22). The static model (20) is a rigorous predictive model that is trained over a wide range of data, whereas the dynamic model (22) is trained over a narrow range of data. The gain K of the static model (20) is utilized to scale the gain k of the dynamic model (22). The forced dynamic portion of the model (22) referred to as the bi variables are scaled by the ratio of the gains K and k. Thereafter, the difference between the new value input to the static model (20) and the prior steady-state value is utilized as an input to the dynamic model (22). The predicted dynamic output is then summed with the previous steady-state value to provide a predicted value Y.

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Patent Owner(s)

Patent OwnerAddress
ROCKWELL AUTOMATION TECHNOLOGIES INC1 ALLEN-BRADLEY DRIVE MAYFIELD HEIGHTS OH 44124

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boe, Eugene Austin, US 21 635
Martin, Gregory D Georgetown, US 35 840
Piche, Stephen Austin, US 53 2390

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