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Asynchronous double consensus-based distributed optimization for sustainable industrial utility systems

Author

Listed:
  • Kong, Minxue
  • Peng, Xin
  • Li, Zhi
  • Shen, Feifei
  • Liu, Yurong
  • Zhong, Weimin

Abstract

Industrial utility systems are essential to large-scale chemical plants, providing both electrical and thermal energy to support industrial processes. However, traditional centralized optimization methods, which rely on a central node for decision-making and synchronization, suffer from inherent limitations such as computational load concentration, poor robustness, and inadequate adaptability to dynamic environments. These issues significantly constrain system efficiency and scalability. Integrating renewable energy sources presents an additional challenge, primarily due to the conflict between the intermittent nature of renewable energy and the need for stability in the utility system’s energy supply. This study introduces a distributed optimization framework based on an asynchronous double-consensus algorithm to address these issues. The framework is designed to optimize utility system operations while enhancing computational efficiency and scalability. To further improve system resilience, a dynamic asynchronous communication strategy is proposed to handle device failures and communication constraints. The effectiveness of the proposed method is demonstrated through a case study of a real industrial energy system. The results show a significant reduction in computational complexity, with an overall system cost reduction of 6.6%. The proposed algorithm reduces execution time by approximately 91%–92% compared to the conventional centralized approach. Moreover, it guarantees convergence to the optimal solution within a finite number of iterations, attaining a convergence accuracy of 2.651×10−6.

Suggested Citation

  • Kong, Minxue & Peng, Xin & Li, Zhi & Shen, Feifei & Liu, Yurong & Zhong, Weimin, 2025. "Asynchronous double consensus-based distributed optimization for sustainable industrial utility systems," Energy, Elsevier, vol. 331(C).
    • Handle: RePEc:eee:energy:v:331:y:2025:i:c:s0360544225022728
    DOI: 10.1016/j.energy.2025.136630
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    References listed on IDEAS

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    1. Zhao, Liang & You, Fengqi, 2019. "A data-driven approach for industrial utility systems optimization under uncertainty," Energy, Elsevier, vol. 182(C), pages 559-569.
    2. Li, Hanxiu & Zhao, Liang, 2023. "Life cycle assessment and multi-objective optimization for industrial utility systems," Energy, Elsevier, vol. 280(C).
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    5. Zhou, Xu & Ma, Zhongjing & Zou, Suli & Zhang, Jinhui, 2022. "Consensus-based distributed economic dispatch for Multi Micro Energy Grid systems under coupled carbon emissions," Applied Energy, Elsevier, vol. 324(C).
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