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Sensitivity, optimal scaling and minimum roundoff errors in flexible structure models

Author
Skelton, Robert E.
Published
JAN 1, 1987.
Physical Description
1 electronic document
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
Traditional modeling notions presume the existence of a truth model that relates the input to the output, without advanced knowledge of the input. This has led to the evolution of education and research approaches (including the available control and robustness theories) that treat the modeling and control design as separate problems. The paper explores the subtleties of this presumption that the modeling and control problems are separable. A detailed study of the nature of modeling errors is useful to gain insight into the limitations of traditional control and identification points of view. Modeling errors need not be small but simply appropriate for control design. Furthermore, the modeling and control design processes are inevitably iterative in nature.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19890004428.
Accession ID: 89N13799.
NAS 1.26:183197.
NASA-CR-183197.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15692866