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Design of linear time-invariant controllers for multirate systems

โœ Scribed by Mauro Cimino; Prabhakar R. Pagilla

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
379 KB
Volume
46
Category
Article
ISSN
0005-1098

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โœฆ Synopsis

In this paper we discuss a frequency domain approach to model multirate single-input single-output (SISO) systems which facilitates design of linear time-invariant (LTI) controllers operating at the fast rate.

To illustrate the approach we consider a dual-rate system with slow output measurements and fast control actions. We obtain necessary and sufficient conditions for the existence of stabilizing linear time-invariant (LTI) controllers for which model matching is also achieved at the fast rate with a desired single-rate system. Moreover, a solution to the problem of parameterizing the set of such LTI controllers is also given.

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