NDLI: Unknown input observer design using descriptor system approach

Content Provider	IEEE Xplore Digital Library
Author	Huan-Chan Ting Jeang-Lin Chang Yon-Ping Chen
Copyright Year	2010
Description	Author affiliation: Department of Electrical and Control Engineering, National Chiao-Tung University, Hsinchu, Taiwan (Huan-Chan Ting; Yon-Ping Chen) \|\| Department of Electrical Engineering, Oriental Institute of Technology, Taipei County, Taiwan (Jeang-Lin Chang)
Abstract	This paper considers the problem of estimating the state of an MIMO linear system with unknown inputs in the state and output. Through a series of linear transformations in the state and output equations, the original system can be transformed into a descriptor system form. The proposed proportional derivative observer can accurately estimate the system state and avoid the peaking phenomenon. Moreover, the approach developed in this paper does not require the derivatives of the output and can be applied in the system with unstable zeros (with respect to the relation between the output and the unknown input). Finally, our algorithm can prove the valid feasibility and the property of disturbance attenuation through demonstrating a simulation-base example.
Starting Page	2207
Ending Page	2213
File Size	294429
Page Count	7
File Format	PDF
ISBN	9781424476428
e-ISBN	9784907764364
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-18
Publisher Place	Taiwan
Access Restriction	Subscribed
Rights Holder	SICE
Subject Keyword	Observers Estimation error Equations Linear systems Mathematical model Design methodology descriptor system State estimation unknown input observer
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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