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Distributed Time-Varying Optimal Resource Management for Microgrids via Fixed-Time Multiagent Approach

Author

Listed:
  • Tingting Zhou

    (FEMTO-ST Institute, Centre National de la Recherche Scientifique (CNRS), UTBM, Université Marie et Louis Pasteur, F-90000 Belfort, France)

  • Salah Laghrouche

    (FEMTO-ST Institute, Centre National de la Recherche Scientifique (CNRS), UTBM, Université Marie et Louis Pasteur, F-90000 Belfort, France)

  • Youcef Ait-Amirat

    (FEMTO-ST Institute, Centre National de la Recherche Scientifique (CNRS), UTBM, Université Marie et Louis Pasteur, F-90000 Belfort, France)

Abstract

This paper investigates the distributed time-varying (TV) resource management problem (RMP) for microgrids (MGs) within a multi-agent system (MAS) framework. A novel fixed-time (FXT) distributed optimization algorithm is proposed, capable of operating over switching communication graphs and handling both local inequality and global equality constraints. By incorporating a time-decaying penalty function, the algorithm achieves an FXT consensus on marginal costs and ensures asymptotic convergence to the optimal TV solution of the original RMP. Unlike the prior methods with centralized coordination, the proposed algorithm is fully distributed, scalable, and privacy-preserving, making it suitable for real-time deployment in dynamic MG environments. Rigorous theoretical analysis establishes FXT convergence under both identical and nonidentical Hessian conditions. Simulations on the IEEE 14-bus system validate the algorithm’s superior performance in convergence speed, plug-and-play adaptability, and robustness to switching topologies.

Suggested Citation

  • Tingting Zhou & Salah Laghrouche & Youcef Ait-Amirat, 2025. "Distributed Time-Varying Optimal Resource Management for Microgrids via Fixed-Time Multiagent Approach," Energies, MDPI, vol. 18(10), pages 1-24, May.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:10:p:2616-:d:1658905
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    References listed on IDEAS

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    1. Wu, Kunming & Li, Qiang & Chen, Ziyu & Lin, Jiayang & Yi, Yongli & Chen, Minyou, 2021. "Distributed optimization method with weighted gradients for economic dispatch problem of multi-microgrid systems," Energy, Elsevier, vol. 222(C).
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