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On unknown-input functional observability of linear systems

Mohajerpoor, Reza, Abdi, Hamid and Nahavandi, Saeid 2015, On unknown-input functional observability of linear systems, in ACC 2015 : PRoceedings of the 2015 American Control Conference, IEEE, Piscataway, N.J., pp. 3534-3539, doi: 10.1109/ACC.2015.7171878.

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Title On unknown-input functional observability of linear systems
Author(s) Mohajerpoor, Reza
Abdi, HamidORCID iD for Abdi, Hamid orcid.org/0000-0001-6597-7136
Nahavandi, Saeid
Conference name American Control Conference (2015 : Chicago, Illinois)
Conference location Chicago, Illinois
Conference dates 1-3 Jul. 2015
Title of proceedings ACC 2015 : PRoceedings of the 2015 American Control Conference
Publication date 2015
Start page 3534
End page 3539
Total pages 6
Publisher IEEE
Place of publication Piscataway, N.J.
Summary Finding the least possible order of a stable Unknown-Input Functional Observer (UIFO) has always been a challenge in observer design theory. A practical recursive algorithm is proposed in this technical note to design a minimal multi-functional observer for multi-input multi-output (MIMO) linear time-invariant (LTI) systems with unknown-inputs. The concept of unknown-input functional observability is introduced,and it is used as a certificate of the convergence of our algorithm. The proposed procedure looks for a number of additional auxiliary functions to be augmented to the original functions desired for reconstruction. The resulting UIFO is proper, and minimal (of minimum possible order). Moreover, the algorithm does not need the system to be unknown-input observable. A numerical example shows the procedure as well as the effectiveness of the proposed algorithm.
Language eng
DOI 10.1109/ACC.2015.7171878
Field of Research 010203 Calculus of Variations, Systems Theory and Control Theory
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category E1 Full written paper - refereed
ERA Research output type E Conference publication
Copyright notice ©2015, IEEE
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30073524

Document type: Conference Paper
Collections: Centre for Intelligent Systems Research
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.