A common functional observer scheme for three systems with unknown inputs

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

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Abstract

This paper presents a novel common functional observer scheme for three systems with unknown inputs. The scheme uses three observers in cascade with two logic switches. The existence conditions of the scheme are investigated and presented in terms of the original system matrices. Significantly, the conditions allow the observers to be designed independently of each other which greatly simplify the design process, and also serve as a basis of comparison for future development of common functional observer schemes. A numerical example is given to illustrate the effectiveness of the proposed scheme.
Original languageEnglish
Pages (from-to)2237-2257
Number of pages21
JournalJournal of the Franklin Institute
Volume353
Issue number10
Early online date4 Apr 2016
DOIs
Publication statusPublished - 31 Jul 2016

Keywords

  • Common functional observer
  • unknown inputs

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