ADAPTIVE CONTROL OF LINEAR TIME-VARYING PLANTS: A NEW CONTROLLER STRUCTURE.

Konstantinos Tsakalis, Petros A. Ioannou

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

The model reference control and model reference adaptive control problems are considered for a class of linear time-varying plants with bounded, piecewise smooth parameters. A controller structure that solves the model reference control problem, with zero tracking error, in the case of smooth slowly time-varying plant parameters is introduced. When the plant parameters are unknown, the robust adaptive law is used to adjust the controller parameters and establish both boundedness of all signals in the adaptive loop and good tracking properties, provided that the smooth time-variations of the plant parameters are sufficiently slow and the minimum time between discontinuities is large enough. It is shown that when the plant parameters become constant, the tracking error converges asymptotically to zero.

Original languageEnglish (US)
Title of host publicationProceedings of the American Control Conference
PublisherAmerican Automatic Control Council
Pages583-588
Number of pages6
StatePublished - 1987
Externally publishedYes

ASJC Scopus subject areas

  • Control and Systems Engineering

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