Abstract
The economic dispatch problem of a smart grid under vicious denial of service (DoS) is the main focus of this paper. Taking the actual situation of power generation as a starting point, a new distributed optimization model is established which takes the environmental pollution penalty into account. For saving the limited bandwidth, a novel distributed event-triggered scheme is proposed to keep the resilience and economy of a class of cyber-power systems when the communication network is subject to malicious DoS attack. Then an improved multi-agent consensus protocol based on the gradient descent idea is designed to solve the minimization problem, and the prerequisites to minimize the system power generation cost are analyzed from the aspects of optimality and stability. Finally, the theoretical results are verified through a single-area 10-generator unit simulation.
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Project supported by the National Natural Science Foundation of China (No. 62073269), the China Postdoctoral Science Foundation (No. 2018M643661), and the Natural Science Basic Research Plan in Shaanxi Province of China (No. 2018JQ60330)
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Feisheng YANG designed the research. Feisheng YANG, Xiaohong GUAN, and Xuhui LIANG processed the data. Feisheng YANG drafted the manuscript. Feisheng YANG and Xuhui LIANG revised and finalized the paper.
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Feisheng YANG, Xuhui LIANG, and Xiaohong GUAN declare that they have no conflict of interest.
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Yang, F., Liang, X. & Guan, X. Resilient distributed economic dispatch of a cyber-power system under DoS attack. Front Inform Technol Electron Eng 22, 40–50 (2021). https://doi.org/10.1631/FITEE.2000201
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DOI: https://doi.org/10.1631/FITEE.2000201
Key words
- Economic dispatch
- Denial of service (DoS) attack
- Resilient event-triggered scheme
- Distributed optimization