State Observation of Nonlinear Uncertain Dynamical Systems

B. L. Walcott, S. H. Zak

Research output: Contribution to journalArticlepeer-review

423 Scopus citations


This note proposes new types of observers for nonlinear dynamical systems subjected to bounded nonlinearities or uncertainties. The design of these observers utilizes techniques related to variable structure systems theory. A measure for the rate at which the estimates converge to the actual states is derived.

Original languageEnglish
Pages (from-to)166-170
Number of pages5
JournalIEEE Transactions on Automatic Control
Issue number2
StatePublished - Feb 1987

Bibliographical note

Funding Information:
mended by Associate Editor. T. J. Tam. This work was supported in pan by the David Ross Grant of Purdue University.

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science Applications
  • Electrical and Electronic Engineering


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