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Fault estimation observer design for fractional-order financial system subject to time-delay

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Abstract

This article is devoted to resolving the issue of time-varying fault in the fractional-order financial system subject to constant delay. A fault-tolerant control is addressed to solve the faults which occur by unpredictable affairs in the financial system. Further, a set of adequate constraints in the form of Linear Matrix Inequalities are derived to ensure asymptotic stability of the considered system under the theorem of Lyapunov. More precisely, Lyapunov–Krasovskii candidates are employed independently with various state-space trajectories such as interest rate, investment demand and price index. Lastly, a numerical example is provided to support the constructed theoretical results.

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Acknowledgements

This research work of S. Senpagam is financially supported by Department of Science and Technology(DST)-Promotion of University Research and Scientific Excellence(PURSE) Phase-II, Government of India, New Delhi.

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Authors and Affiliations

  1. Department of Applied Mathematics, Bharathiar University, Coimbatore, 641046, India

    S. Senpagam, P. Dhanalakshmi & R. Mohanapriya

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  1. S. Senpagam
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  2. P. Dhanalakshmi
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  3. R. Mohanapriya
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Correspondence to P. Dhanalakshmi.

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Senpagam, S., Dhanalakshmi, P. & Mohanapriya, R. Fault estimation observer design for fractional-order financial system subject to time-delay. Int. J. Dynam. Control 9, 190–198 (2021). https://doi.org/10.1007/s40435-020-00642-x

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  • DOI: https://doi.org/10.1007/s40435-020-00642-x

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