An anti-windup technique for LMI regions

Brandon Hencey, Andrew Alleyne

Research output: Contribution to journalArticlepeer-review


The anti-windup problem seeks to minimize closed loop performance deterioration due to input nonlinearities, such as saturation, for a given linear time-invariant plant and controller. This paper presents a linear matrix inequality (LMI) based method that attempts to minimize performance deterioration while explicitly restricting the anti-windup closed loop dynamics. The restriction placed on the dynamics is described via LMI regions, which is a form of regional pole placement. Finally, the techniques discussed in this paper are demonstrated on an electro-hydraulic testbed.

Original languageEnglish (US)
Pages (from-to)2344-2349
Number of pages6
Issue number10
StatePublished - Oct 2009


  • Control nonlinearities
  • Linear matrix inequality regions
  • Windup

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering


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