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Safe switching adaptive control: St...

Stefanovic, Margareta.

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Safe switching adaptive control: Stability and convergence.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Safe switching adaptive control: Stability and convergence./
Author:	Stefanovic, Margareta.
Description:	84 p.
Notes:	Source: Dissertation Abstracts International, Volume: 66-11, Section: B, page: 6181.
Contained By:	Dissertation Abstracts International66-11B.
Subject:	Engineering, Electronics and Electrical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3196897
ISBN:	9780542427701

Safe switching adaptive control: Stability and convergence.
Stefanovic, Margareta.

Safe switching adaptive control: Stability and convergence. - 84 p.

Source: Dissertation Abstracts International, Volume: 66-11, Section: B, page: 6181.

Thesis (Ph.D.)--University of Southern California, 2005.

This thesis is concerned with the control of highly uncertain systems. A formal theoretical explanation of the model-mismatch instability problem often associated with adaptive control design schemes is proposed, and a generic solution is provided. A primary task of adaptive control is formulated as finding an asymptotically optimal, stabilizing controller, given the feasibility of adaptive control problem. Feasibility is defined as the existence of a stabilizing solution in a continuously parametrized candidate controller set. The multi-faceted adaptive control problem is thus placed in a setting of a standard optimization problem. The proposed solution, called safe adaptive control, robustly achieves this goal without any assumptions other than feasibility. Specifically, a list of the required plant independent properties of the cost function is formulated. The result extends previous theoretical results in multiple model adaptive control, and provides a significant generalization by allowing the class of candidate controllers to have arbitrary cardinality, structure or dimensionality, and by strengthening the concept of tunability. The problem is motivated by a model-mismatch stability failure associated with a multitude of adaptive control schemes, exemplified by several simulation results.

ISBN: 9780542427701Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Safe switching adaptive control: Stability and convergence.
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020 $a 9780542427701
035 $a (UnM)AAI3196897
035 $a AAI3196897
040 $a UnM $c UnM
100 1 $a Stefanovic, Margareta. $3 1911320
245 1 0 $a Safe switching adaptive control: Stability and convergence.
300 $a 84 p.
500 $a Source: Dissertation Abstracts International, Volume: 66-11, Section: B, page: 6181.
500 $a Adviser: Michael G. Safonov.
502 $a Thesis (Ph.D.)--University of Southern California, 2005.
520 $a This thesis is concerned with the control of highly uncertain systems. A formal theoretical explanation of the model-mismatch instability problem often associated with adaptive control design schemes is proposed, and a generic solution is provided. A primary task of adaptive control is formulated as finding an asymptotically optimal, stabilizing controller, given the feasibility of adaptive control problem. Feasibility is defined as the existence of a stabilizing solution in a continuously parametrized candidate controller set. The multi-faceted adaptive control problem is thus placed in a setting of a standard optimization problem. The proposed solution, called safe adaptive control, robustly achieves this goal without any assumptions other than feasibility. Specifically, a list of the required plant independent properties of the cost function is formulated. The result extends previous theoretical results in multiple model adaptive control, and provides a significant generalization by allowing the class of candidate controllers to have arbitrary cardinality, structure or dimensionality, and by strengthening the concept of tunability. The problem is motivated by a model-mismatch stability failure associated with a multitude of adaptive control schemes, exemplified by several simulation results.
590 $a School code: 0208.
650 4 $a Engineering, Electronics and Electrical. $3 626636
690 $a 0544
710 2 0 $a University of Southern California. $3 700129
773 0 $t Dissertation Abstracts International $g 66-11B.
790 1 0 $a Safonov, Michael G., $e advisor
790 $a 0208
791 $a Ph.D.
792 $a 2005
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3196897