Resilient distributed economic dispatch of a cyber-power system underDoS attack

Feisheng YANG, Xuhui LIANG, Xiaohong GUAN

Front. Inform. Technol. Electron. Eng ›› 2021, Vol. 22 ›› Issue (1) : 40-50.

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Front. Inform. Technol. Electron. Eng ›› 2021, Vol. 22 ›› Issue (1) : 40-50. DOI: 10.1631/FITEE.2000201
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Resilient distributed economic dispatch of a cyber-power system underDoS attack

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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.

Keywords

Economic dispatch / Denial of service (DoS) attack / Resilient event-triggered scheme / Distributed optimization

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Feisheng YANG, Xuhui LIANG, Xiaohong GUAN. Resilient distributed economic dispatch of a cyber-power system underDoS attack. Front. Inform. Technol. Electron. Eng, 2021, 22(1): 40‒50 https://doi.org/10.1631/FITEE.2000201
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2021 Zhejiang University Press
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FITEE-0040-20004-FSY_suppl_1 (1196 KB)

FITEE-0040-20004-FSY_suppl_2 (145 KB)

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