Direct pole placement adaptive tracking of non-minimum phase systems

Youping Zhang, Zhong Ping Jiang

Research output: Contribution to journalArticlepeer-review


In this paper, we propose a direct pole placement adaptive tracking scheme for non-minimum-phase, open-loop stable, linear plants with time delays. This controller utilizes the internal model principle to eliminate steady-state tracking error for signals with known distinct frequencies. The controller order depends only on the number of frequencies in the reference input, but not on the order of the plant. It is shown that with sufficiently small loop gain, the controller can guarantee stable closed loop, and asymptotic tracking.

Original languageEnglish (US)
Pages (from-to)55-67
Number of pages13
JournalSystems and Control Letters
Issue number1
StatePublished - 2001


  • Adaptive control
  • Asymptotic tracking
  • Pole placement
  • Stability
  • Time delays

ASJC Scopus subject areas

  • Control and Systems Engineering
  • General Computer Science
  • Mechanical Engineering
  • Electrical and Electronic Engineering


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