Simple criteria for controller performance monitoring

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Scopus citations


This paper presents some simple criteria to monitor the performance of multivariable controllers. Their derivation is based on the small gain theorem using estimates of the uncertainty in the process model. Large values of such estimates indicate the need for controller retuning. Encouraging preliminary results have been obtained from applications to simulated data. Although adequate excitation is necessary to allow conclusive statements, the excitation requirement is quite modest compared to system identification.

Original languageEnglish (US)
Title of host publicationProceedings of the American Control Conference
Number of pages3
StatePublished - Jan 1 2002

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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