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Type: Journal article
Title: Robust fault estimation observer in the finite frequency domain for descriptor systems
Author: Wang, Z.
Shi, P.
Lim, C.
Citation: International Journal of Control, 2019; 92(7):1590-1599
Publisher: Taylor & Francis
Issue Date: 2019
ISSN: 0020-7179
Statement of
Zhenhua Wang, Peng Shi and Cheng-Chew Lim
Abstract: This paper considers robust fault estimation in the finite frequency domain for linear continuous-time descriptor systems. Based on state augmentation, we propose a fault estimation observer with a non-singular structure. To attenuate the effect of unknown disturbance and fault variation on fault estimation, a fault estimation observer is designed in the finite frequency domain using H∞ optimisation technique. With the design conditions formulated as a set of linear matrix inequalities, the presented fault estimation observer can be efficiently designed. The applicability of the proposed method is verified by numerical simulations of a multi-machine infinite bus system.
Keywords: Descriptor system; fault estimation observer; finite frequency domain; linear matrix inequalities
Rights: © 2017 Informa UK Limited, trading as Taylor & Francis Group
RMID: 0030078722
DOI: 10.1080/00207179.2017.1403048
Grant ID:
Appears in Collections:Electrical and Electronic Engineering publications

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