Some estimates pertaining to sensitivity and robust stability of input-output systems |
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Authors: | Vaclav Dolezal |
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Affiliation: | (1) Department of Applied Mathematics and Statistics, State University of New York at Stony Brook, 11794-3600 Stony Brook, NY |
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Abstract: | The estimates derived in this paper strengthen the available results on sensitivity and robust stability of input-output systems.
Two types of estimates are discussed: the “sensitivity type”, which establishes a bound for the output change when the system
is perturbed but the input remains the same, and the “robustness type”, which gives a bound for the output change when the
input changes but the perturbation does not. First, estimates for general systems over abstract extended spaces are derived;
these results are then applied to (1) two frequently used control configurations, and (2) systems governed by vector integral
and differential equations on the time domain 0, ∞). The applications of the estimates are illustrated by several examples.
This research was supported by the National Science Foundation under Grant #DMS-9102910 |
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