Abstract/Details

A complete parameterization of CLF-based controls via satisficing theory


2002 2002

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Abstract (summary)

Control laws based on control Lyapunov functions (clfs) offer many benefits: they are guaranteed to stabilize the closed-loop system, they may possess robust gain margins, or they may provide inverse-optimality. This thesis describes how the theory of satisficing is used to completely parametrize the class of clf-based control laws. A robust parameterization is also presented that completely parametrizes clf-based control laws that possess favorable gain margins, and it is shown that such robust satisficing controls are inverse-optimal. This parameterization is also extended to systems with exogenous disturbances via input-to-state clfs. The structure of these satisficing controls is illuminated by examining state-dependent sets in the control space, and it is shown how these parameterizations can be harnessed to provide superior performance. Several examples illustrate the efficacy of the satisficing parameterization in improving performance and in guaranteeing stability and robustness.

Indexing (details)


Subject
Electrical engineering
Classification
0544: Electrical engineering
Identifier / keyword
Applied sciences, Control-Lyapunov functions, Input-to-state stability, Parameterization, Satisficing theory
Title
A complete parameterization of CLF-based controls via satisficing theory
Author
Curtis, Jess Willard, III
Number of pages
120
Publication year
2002
Degree date
2002
School code
0022
Source
DAI-B 63/07, Dissertation Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
ISBN
9780493767413, 049376741X
Advisor
Beard, Randal
University/institution
Brigham Young University
University location
United States -- Utah
Degree
Ph.D.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
3061136
ProQuest document ID
304798401
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/304798401
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