Cross-direction actuator and control system with adaptive footprint
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United States of America Patent
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Apr 7, 2009
Grant Date -
Dec 30, 2004
app pub date -
Jun 25, 2003
filing date -
Jun 25, 2003
priority date (Note) -
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Abstract
A method and system for controlling one or more properties of a sheet of material to be manufactured on a sheet-making machine is disclosed. Actuators to control the sheet properties are arrayed in the cross-direction of the machine. Properties data about one or more properties of the sheet of material are measured and both the magnitude of an actuator control action and the cross-direction shape of an actuator control action are controlled to minimize the variation of the measured properties data from a desired target for each of the one or more properties.
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