Model-Free Adaptive Switching Control of Time-Varying Plants

Giorgio Battistelli, João P. Hespanha, Edoardo Mosca, Pietro Tesi

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Abstract

This paper addresses the problem of controlling an uncertain time-varying plant by means of a finite family of candidate controllers supervised by an appropriate switching logic. It is assumed that, at every time, the plant consists of an uncertain single-input/single output linear system. It is shown that stability of the switched closed-loop system can be ensured provided that 1) at every time there is at least one candidate controller capable of potentially stabilizing the current time-invariant “frozen” plant model, and 2) the plant changes are infrequent or satisfy a slow drift condition.
Original languageEnglish
Pages (from-to)1208-1220
Number of pages13
JournalIEEE Transactions on Automatic Control
Volume58
Issue number5
DOIs
Publication statusPublished - May-2013
Externally publishedYes

Keywords

  • time-varying systems
  • switching control
  • control of uncertain plants
  • adaptive control

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