• DocumentCode
    3559282
  • Title

    Comments on "A New Trace Bound for a General Square Matrix Product

  • Author

    Schmid, R.

  • Author_Institution
    Dept. of Electr. & Electron. Eng., Univ. of Melbourne, Melbourne, VIC
  • Volume
    53
  • Issue
    11
  • fYear
    2008
  • Firstpage
    2712
  • Lastpage
    2712
  • Abstract
    Theorem 2 of the recent paper presents a trace bound on the solution to the algebraic Riccati equation. In this note we point out that the proof contains contradictory assumptions, and hence the result is invalid.
  • Keywords
    Riccati equations; control system analysis; delay systems; stability; three-term control; algebraic Riccati equation; contradictory assumptions; fractional order system; fractional-order PID controller; general square matrix product; time delay; Automatic control; Eigenvalues and eigenfunctions; Riccati equations;
  • fLanguage
    English
  • Journal_Title
    Automatic Control, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9286
  • Type

    jour

  • DOI
    10.1109/TAC.2008.2006823
  • Filename
    4700862
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=3559282