Non-linear proportional/integral feedback controller
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United States of America Patent
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Aug 10, 1999
Grant Date -
N/A
app pub date -
Apr 8, 1998
filing date -
Apr 8, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A simple modification to a proportional integral controller allows for non-linear control strategies while maintaining the simplicity of set up and tuning of the loop through modifying the proportional and/or integral gains K.sub.p, K.sub.j by a linear or parabolic function of the feedback error signal. Provision is made for symmetrical or asymmetrical gain modification functions.
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