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.
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.
Unless expressly stated otherwise, the copyright for items in DRO is owned by the author, with all rights reserved.
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.
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.