Optimal Pole-Placement in Discrete Systems

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


This note develops a technique to increase the damping in a closed-loop discrete-time system by modifying a nominal linear quadratic performance criterion. The technique uses the multiple solutions of the discrete-time algebraic Riccati equation to modify the nominal criterion. These criterion modifications increase the damping by moving the nominal closed-loop eigenvalues to an exact location along the radial line segment connecting the nominal eigenvalues with the origin.

Original languageEnglish (US)
Pages (from-to)645-648
Number of pages4
JournalIEEE Transactions on Automatic Control
Issue number5
StatePublished - May 1992

ASJC Scopus subject areas

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


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