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Dynamic memory event-triggered proportional-integral-based H∞ load frequency control for multi-area wind power systems

Author

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  • Li, Baihua
  • Hu, Shaoyu
  • Zhong, Qishui
  • Shi, Kaibo
  • Zhong, Shouming

Abstract

Aiming at ensuring the stability of multi-area doubly fed induction generator (DFIG)-integrated wind power systems, a dynamic memory event-triggered H∞ load frequency control (LFC) scheme is presented in this article. Firstly, a unified LFC model of multi-area DFIG-integrated wind power systems is constructed considering the grid connection of the DFIG-based wind turbine. Secondly, a dynamic memory event-triggered scheme (DMETS) is proposed to reduce the utilization of communication bandwidth by introducing a dynamic threshold parameter and historical data. Furthermore, the designed multi-area LFC model is reconstructed as a time-delay system under DMETS and proportional-integral (PI) controller with transmission delays introduced by open communication network. Then, asymptotic stability criteria meeting the H∞ attenuation performance index and an H∞ controller design criterion are obtained according to a selected Lyapunov–Krasovskii functional. Finally, numerical examples are presented to demonstrate the availability of the designed control scheme and the advantages of the proposed DMETS in reducing communication burden.

Suggested Citation

  • Li, Baihua & Hu, Shaoyu & Zhong, Qishui & Shi, Kaibo & Zhong, Shouming, 2023. "Dynamic memory event-triggered proportional-integral-based H∞ load frequency control for multi-area wind power systems," Applied Mathematics and Computation, Elsevier, vol. 453(C).
    • Handle: RePEc:eee:apmaco:v:453:y:2023:i:c:s0096300323002394
    DOI: 10.1016/j.amc.2023.128070
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    References listed on IDEAS

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    1. Chu, Xiaoan & Li, Muguo, 2019. "Observer-based model following sliding mode tracking control of discrete-time linear networked systems with two-channel event-triggered schemes and quantizations," Applied Mathematics and Computation, Elsevier, vol. 355(C), pages 428-448.
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