Control system using process model
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United States of America Patent
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-
Aug 3, 2004
Grant Date -
Mar 6, 2003
app pub date -
Aug 30, 2001
filing date -
Aug 30, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A control system is provided for controlling a process for making paper or paper pulp. The process has a process product output at an end of the process. The controls include a process variable sensor input configured to receive a process variable related to the process. The controller is configured to provide a control signal to control the process. A process model has a model product output which is a model representation of the process product output. The model process output is a function of the sensed process variable and a product output setpoint representative of a desired process product output. The control signal is a function of the product output setpoint and the modeled product output.
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