Enhanced feedback for plant control
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United States of America Patent
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Jul 13, 2010
Grant Date -
Jul 5, 2007
app pub date -
Dec 30, 2005
filing date -
Dec 30, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and system for controlling the behavior of a plant having an input and an output by enhanced feedback. A simulation input signal is derived from an input to be applied to the plant and a simulated signal is generated by simulating an aspect of an assumed behavior of the plant in dependence on the simulation input signal. The simulated signal is subtracted from a plant feedback signal which is derived from an output of the plant and the resulting difference signal is used to modify the input signal by feedback prior to deriving a plant input signal. The simulation may take into account derivation of the plant feedback signal and the input signal is typically modified so as to reduce the effect on the output signal of a deviation in actual behavior of the plant from the assumed behavior of the plant over a predetermined operating frequency range.
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Cited Art Landscape
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