Lead-lag input filter arrangement with adjustable initial conditions for electro-pneumatic control loops
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United States of America Patent
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Mar 25, 2008
Grant Date -
Jun 8, 2006
app pub date -
Jan 17, 2006
filing date -
Oct 20, 2004
priority date (Note) -
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Abstract
Systems and methods for urging a valve plug off a seat of a control valve and toward a set point in the absence of significant delay. Adjustable, user-selected input parameters to the input of a lead-lag filter in communication with the input of a control loop facilitates achieving tunable response by a control valve upon application of small amplitude inputs.
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