Detection and estimation of abrupt changes in input or state

P. F. Weston, J. P. Norton

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

Disturbances which may be represented as step changes in the state of a linear, discrete-time, dynamical system are considered. A test for detection of such disturbances is presented. It employs variables computed in fixed-interval optimal smoothing. Several interpretations of the test are offered. The optimal estimate of the state change is shown to be one of the quantities forming the test statistic. Examples show the simplicity and effectiveness of the technique.

Original languageEnglish
Pages (from-to)699-712
Number of pages14
JournalInternational Journal of Control
Volume67
Issue number5
DOIs
Publication statusPublished - 1 Jan 1997

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Computer Science Applications

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