Adaptive output feedback apparatuses and methods capable of controlling a non-minimum phase system
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United States of America Patent
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Oct 2, 2007
Grant Date -
Sep 9, 2004
app pub date -
Dec 9, 2003
filing date -
Dec 9, 2002
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Abstract
The invention comprises apparatuses and methods for providing the capability to stabilize and control a non-minimum phase, nonlinear plant with unmodeled dynamics and/or parametric uncertainty through the use of adaptive output feedback. A disclosed apparatus can comprise a reference model unit for generating a reference model output signal y.sub.m. The apparatus can comprise a combining unit that combines and differences a plant output signal y of a non-minimum phase plant for which not all of the states can be sensed, and a plant output signal y, to generate an output error signal {tilde over (y)}. The apparatus can further comprise an adaptive control unit for generating an adaptive control signal u.sub.ad used to control the plant.
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