Dynamic controllers which use difference approximates of output derivatives and their practical stability

H. Kokame, K. Hirata, T. Mori

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

1 Citation (Scopus)

Abstract

The derivative feedback is a classical but representative means in the design of control systems, and for practical reasons it is often replaced by its difference approximation. As the resulting closed-loop system involves a time-delay, it does not necessarily preserve stability however accurate the approximation is. Following the terminology of Palmor (1980), it may be said that the practical stability is not always guaranteed. The present paper studies the condition under which the practical stability is guaranteed for approximating output difference feedback controllers.

Original languageEnglish
Title of host publicationProceedings of the 16th IFAC World Congress, IFAC 2005
PublisherIFAC Secretariat
Pages207-212
Number of pages6
Edition1
ISBN (Print)008045108X, 9780080451084
Publication statusPublished - Jan 1 2005
Externally publishedYes

Publication series

NameIFAC Proceedings Volumes (IFAC-PapersOnline)
Number1
Volume38
ISSN (Print)1474-6670

Keywords

  • Delay differential equation
  • Derivative feedback
  • Output difference feedback
  • Practical stability
  • Stabilization

ASJC Scopus subject areas

  • Control and Systems Engineering

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  • Cite this

    Kokame, H., Hirata, K., & Mori, T. (2005). Dynamic controllers which use difference approximates of output derivatives and their practical stability. In Proceedings of the 16th IFAC World Congress, IFAC 2005 (1 ed., pp. 207-212). (IFAC Proceedings Volumes (IFAC-PapersOnline); Vol. 38, No. 1). IFAC Secretariat.