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Retrospective cost model reference adaptive control for nonminimum-phase discrete-time systems, Part 1: The adaptive controller | IEEE Conference Publication | IEEE Xplore

Retrospective cost model reference adaptive control for nonminimum-phase discrete-time systems, Part 1: The adaptive controller


Abstract:

We present a direct model reference adaptive controller for discrete-time systems (and thus sampled-data systems) that are possibly nonminimum-phase. The adaptive control...Show More

Abstract:

We present a direct model reference adaptive controller for discrete-time systems (and thus sampled-data systems) that are possibly nonminimum-phase. The adaptive control algorithm requires knowledge of the nonminimum phase zeros of the transfer function from the control to the tracking error. This paper and its companion paper (Part 2) together analyze the stability of the instantaneous (gradient-based) retrospective cost model reference adaptive controller and the cumulative (recursive-least-squares-based) retrospective cost model reference adaptive controller. Part 1 develops the adaptive controllers and proves the existence of an ideal control law. Part 2 presents the closed-loop error system and provides a closed-loop stability analysis.
Date of Conference: 29 June 2011 - 01 July 2011
Date Added to IEEE Xplore: 18 August 2011
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Conference Location: San Francisco, CA, USA

References

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