Mohamed, Mokhtar, Yan, Xing-Gang, Spurgeon, Sarah K., Mao, Zehui (2016) Robust variable structure observer design for non-linear large-scale systems with non-linear interconnections. IMA Journal of Mathematical Control and Information, 35 (2). pp. 535-553. ISSN 0265-0754. E-ISSN 1471-6887. (doi:10.1093/imamci/dnw063) (KAR id:59916)
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Official URL: http://dx.doi.org/10.1093/imamci/dnw063 |
Abstract
In this paper, a variable structure observer is designed for a class of non-linear large-scale interconnected systems in the presence of uncertainties and non-linear interconnections. The modern geometric approach is used to explore system structure and a transformation is employed to facilitate the observer design. Based on the Lyapunov direct method, a set of conditions are developed such that the proposed variable structure systems can be used to estimate the states of the original interconnected systems asymptotically. The internal dynamical structure of the isolated nominal subsystems as well as the structure of the uncertainties are employed to reduce the conservatism. The bounds on the uncertainties are non-linear and are employed in the observer design to reject the effect of the uncertainties. A numerical example is presented to illustrate the approach and the simulation results showthat the proposed approach is effective.
Item Type: | Article |
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DOI/Identification number: | 10.1093/imamci/dnw063 |
Subjects: | T Technology |
Divisions: | Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts |
Depositing User: | Xinggang Yan |
Date Deposited: | 18 Jan 2017 12:32 UTC |
Last Modified: | 05 Nov 2024 10:52 UTC |
Resource URI: | https://kar.kent.ac.uk/id/eprint/59916 (The current URI for this page, for reference purposes) |
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