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Design of a common observer for two linear systems with unknown inputs

Trinh, Hieu and Fernando, T. 2006, Design of a common observer for two linear systems with unknown inputs, in TENCON 2006 : 2006 IEEE Region 10 Conference : Hong Kong, China, 14-17 November 2006., IEEE Xplore, Piscataway, N.J., pp. 1-3.

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Title Design of a common observer for two linear systems with unknown inputs
Author(s) Trinh, Hieu
Fernando, T.
Conference name TENCON (2006 : Hong Kong, China)
Conference location Hong Kong, China
Conference dates 14-17 November 2006
Title of proceedings TENCON 2006 : 2006 IEEE Region 10 Conference : Hong Kong, China, 14-17 November 2006.
Editor(s) [Unknown]
Publication date 2006
Conference series IEEE Region 10 Conference
Start page 1
End page 3
Publisher IEEE Xplore
Place of publication Piscataway, N.J.
Summary This paper considers the design of a common linear functional observer for two linear time-invariant systems with unknown inputs. A structure for a common observer which only uses the available output information is proposed. Here, for the proposed structure, we show that the simultaneous functional observation problem of two plants is reduced to a problem of designing two observers: the first is a full-order unknown input observer of one of the two systems; the second observer is a common unknown input observer of a system comprises two-connected systems. In general, the existence conditions for the second observer are very difficult to satisfy. This paper thus concludes that it is indeed very difficult to find a common observer for two linear systems with unknown inputs.
Notes This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder.
ISBN 1424405483
9781424405480
Language eng
Field of Research 091302 Automation and Control Engineering
HERDC Research category E1 Full written paper - refereed
Copyright notice ©2006, IEEE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30006164

Document type: Conference Paper
Collections: School of Engineering and Information Technology
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