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Distributed fixed-time nonlinear control of microgrids based on event-triggered strategy

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Abstract

A distributed fixed-time nonlinear control strategy, which integrates the event-triggered mechanism into voltage and frequency regulation and active power sharing in an autonomous microgrid, is proposed in this paper. Based on the developed event-triggered scheme, the controller is updated only when the event-triggered condition is satisfied, which can highly reduce the number of controller updates and the consumption of communication resources. In addition, the proposed nonlinear control scheme is fully distributed and achieves the fixed-time convergence. The theoretic analyses of stability performance and inter-event time interval are provided. Finally, some case studies are implemented to demonstrate the validity and effectiveness of the proposed distributed control strategies in an autonomous microgrid test system.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (62073048).

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Authors and Affiliations

  1. The College of Automation, Chongqing University, Chongqing, 400044, China

    Gang Chen & Hongbing Xiang

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  1. Gang Chen
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  2. Hongbing Xiang
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Correspondence to Gang Chen.

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Chen, G., Xiang, H. Distributed fixed-time nonlinear control of microgrids based on event-triggered strategy. Nonlinear Dyn 111, 19931–19946 (2023). https://doi.org/10.1007/s11071-023-08827-7

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