Extended dissipativity-based non-fragile control for multi-area power systems with actuator fault

D. Aravindh, R. Sakthivel and S. Marshal Anthoni

International Journal of Systems Science, 2019, vol. 50, issue 2, 256-272

Abstract: This paper addresses the issue of reliable load frequency control design of an uncertain multi-area power system with constant time delays and disturbances via non-fragile sampled-data control approach. In particular, the parameter uncertainties are assumed to be randomly occurring which are described by the Bernoulli distributed sequences. By constructing a suitable Lyapunov–Krasovskii functional together with Wirtinger-based inequality, a new set of sufficient conditions in terms of linear matrix inequalities is obtained to ensure the asymptotic stability and extended dissipativity of the multi-area power system not only when all actuators are operational, but also in case of some actuator failures. Finally, simulation results are conducted to validate the effectiveness of the proposed control design technique.

Date: 2019
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DOI: 10.1080/00207721.2018.1551971

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