METHOD AND EQUIPMENT FOR THE CONTINUOUS DEPOSITION OF A COATING ON A STRIP TYPE SUBSTRATE
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United States of America Patent
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Issued Date -
Apr 1, 2010
app pub date -
Dec 20, 2007
filing date -
Mar 7, 2007
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Abandoned
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Abstract
In the continuous deposition of a coating on strip-type substrate, a thickness of the coating depends on the condition of various actuators. A first preliminary phase of the process includes developing a pre-setting model, a second preliminary phase includes developing an adjustment model, an intermediate pre-setting step during which the actuators are set statically, a step of measuring the thickness of the coating, and an adjustment step during which the actuators are dynamically controlled by a predictive control based on the adjustment model in order to reduce any potential difference between the coating measured thickness and a target value of the thickness.
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