Disturbance compensation for time-delay processes

Yong Zhang, Qing Guo Wang, Min Liu, Min Sen Chiu

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


In this paper, a general control scheme for disturbance rejection is presented. It is an extension of the disturbance observer used in mechatronics, and made applicable to time-delay processes. It is shown that the proposed control scheme can achieve better load response in general and reject periodic disturbance asymptotically in particular. Stability analysis and disturbance rejection performance are provided. Simulation results confirm that the proposed method yields superior load response compared to the classical feedback system.

Original languageEnglish
Pages (from-to)28-35
Number of pages8
JournalAsian Journal of Control
Issue number1
Publication statusPublished - Mar 2006
Externally publishedYes


  • Disturbance observer
  • Disturbance rejection
  • Internal stability
  • Periodic disturbances
  • Time-delay processes

ASJC Scopus subject areas

  • Control and Systems Engineering


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