Quantitative robust stability analysis and PID controller design

Q. G. Wang, C. C. Hang, Y. Yang, J. B. He

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


A sufficient condition for robust stability is presented. Comparing it with the small gain theorem, it incorporates both gain and phase information of the uncertain systemand thus reduces the conservativeness of the theorem. The proposed quantitative robust stability criterion is employed to develop a robust PID controller design. Finally, simulations are presented to illustrate the proposed method.

Original languageEnglish
Pages (from-to)3-7
Number of pages5
JournalIEE Proceedings: Control Theory and Applications
Issue number1
Publication statusPublished - Jan 2002
Externally publishedYes

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Instrumentation
  • Electrical and Electronic Engineering


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