Method and apparatus for internal model control using a state variable feedback signal
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United States of America Patent
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Aug 18, 1998
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app pub date -
Sep 13, 1996
filing date -
Sep 13, 1996
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Abstract
The present invention relates generally to the control of processes which include relatively long time delays, yet which are susceptible to transient external disturbances, such as high-speed sheetmaking processes. Exemplary embodiments include a control system architecture that combines internal model-based control with state feedback in a manner which provides robust control, yet provides rapid rejection of external transient disturbances even in processes including relatively long time delays.
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