New results in common functional state estimation for two linear systems with unknown inputs

Jiunn Yea Ng, Chee Pin Tan, Kok Ng, Hieu Trinh

Research output: Contribution to journalArticle

4 Citations (Scopus)
8 Downloads (Pure)

Abstract

This paper presents new developments in common functional observers for two systems. We improve an existing common functional observer scheme by reducing its order, and then investigate its existence conditions in terms of the original system matrices. These conditions have never been explored and they enable the users to know at the outset the class of systems for which the scheme is applicable. They also show that both observers can be designed independently of each other which significantly simplifies the design process. A numerical simulation verifies the findings.
Original languageEnglish
Pages (from-to)1538-1543
JournalInternational Journal of Control, Automation and Systems
Volume13
Issue number6
Early online date26 Sep 2015
DOIs
Publication statusPublished - Dec 2015

Keywords

  • Common observers
  • functional observers
  • unknown input observers

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