Load Frequency Control for Power Systems with Actuator Faults within a Finite-Time Interval | Zendy

Haifeng Qiu | Zendy; Liguo Weng | Zendy; Bin Yu | Zendy; Yanghui Zhang | Zendy

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Load Frequency Control for Power Systems with Actuator Faults within a Finite-Time Interval

Author(s) -

Haifeng Qiu,

Liguo Weng,

Bin Yu,

Yanghui Zhang

Publication year - 2021

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2021/1422006

Subject(s) - aperiodic graph , piecewise , control theory (sociology) , actuator , fault (geology) , interval (graph theory) , markov chain , controller (irrigation) , mathematics , power (physics) , electric power system , computer science , control (management) , statistics , mathematical analysis , physics , combinatorics , quantum mechanics , artificial intelligence , seismology , agronomy , biology , geology

This paper is concerned with the issue of finite-time H ∞ load frequency control for power systems with actuator faults. Concerning various disturbances, the actuator fault is modeled by a homogeneous Markov chain. The aperiodic sampling data controller is designed to alleviate the conservatism of attained results. Based on a new piecewise Lyapunov functional, some novel sufficient criteria are established, and the resulting power system is stochastic finite-time bounded. Finally, a single-area power system is adjusted to verify the effectiveness of the attained results.

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