Method and apparatus for providing multivariable nonlinear control
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United States of America Patent
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Dec 30, 1997
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N/A
app pub date -
Nov 1, 1994
filing date -
Nov 1, 1994
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Abstract
A method and apparatus for training and optimizing a neural network for use in controlling multivariable nonlinear processes. The neural network can be used as a controller generating manipulated variables for directly controlling the process or as part of a controller structure generating predicted process outputs. The neural network is trained and optimized off-line with historical values of the process inputs, outputs, and their rates of change. The determination of the manipulated variables or the predicted process outputs are based on an optimum prediction time which represents the effective response time of the process output to the setpoint such that the greatest change to the process output occurs as a result of a small change made to its paired manipulated variable.
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