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Fault-tolerant control of two-dimensional discrete-time systems

Authors
Raajananthini, K.Sakthivel, R.Ahn, Choon KiAnthoni, S. Marshal
Issue Date
6-3월-2018
Publisher
INST ENGINEERING TECHNOLOGY-IET
Citation
IET CONTROL THEORY AND APPLICATIONS, v.12, no.4, pp.524 - 531
Indexed
SCIE
SCOPUS
Journal Title
IET CONTROL THEORY AND APPLICATIONS
Volume
12
Number
4
Start Page
524
End Page
531
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/76755
DOI
10.1049/iet-cta.2017.0884
ISSN
1751-8644
Abstract
A robust fault-tolerant controller design for a class of two-dimensional discrete-time systems with mixed actuator faults, stochastic uncertainties and non-linear perturbation in delayed states is proposed in this study. The authors' aim is to investigate the stochastic stabilisation issue with an adequate level of an extended dissipative performance index where the considered system contains failures occurring among the pre-specified subset of actuators with admissible uncertainties. More precisely, the considered stochastic system uncertainties are assumed to follow mutually uncorrelated Bernoulli distributed sequences along with their probability rules. Furthermore, a practical actuator fault model consisting of both linear and non-linear fault terms is proposed. By utilising some inequalities and extended dissipativity theory, the authors develop a robust stochastic stability criterion of the addressed system in the linear matrix inequality framework. Lastly, a simulation example is provided to verify the correctness and significance of the designed fault-tolerant control strategy.
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