Comments on “Exact Control of Linear Systems with Multiple Control”

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This note is concerned with piecewise constant controls. In order to supplement the above-mentioned paper1 sufficient conditions for the existence of a piecewise constant control are provided. Moreover, although for an n-dimensional control system the switching times for the piecewise constant control cannot be chosen arbitrarily, it is shown that the switching times can be chosen as close as we wish to any preassigned collection of n time points. The proof of the main result is constructive and it provides an algorithm for the design of a piecewise constant control.

Original languageEnglish
Pages (from-to)1081-1083
Number of pages3
JournalIEEE Transactions on Automatic Control
Issue number11
StatePublished - 1 Jan 1986

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science Applications
  • Electrical and Electronic Engineering


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