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https://hdl.handle.net/2440/113751
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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 1366-5820 |
Statement of Responsibility: | 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 |
DOI: | 10.1080/00207179.2017.1403048 |
Grant ID: | http://purl.org/au-research/grants/arc/DP170102644 |
Published version: | http://dx.doi.org/10.1080/00207179.2017.1403048 |
Appears in Collections: | Aurora harvest 3 Electrical and Electronic Engineering publications |
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