Energy-Management Strategy of Battery Energy Storage Systems in DC Microgrids: A Distributed Fuzzy Output Consensus Control Considering Multiple Cyber Attacks

Xu Tian, Weisheng Wang, Liang Zou, Shuo Zhai, Bin Hai and Rui Wang ()
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Xu Tian: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Weisheng Wang: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Liang Zou: School of Electrical Engineering, Shandong University, Jinan 250061, China
Shuo Zhai: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Bin Hai: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
Rui Wang: College of Information Science and Engineering, Northeastern University, Shenyang 110819, China

Mathematics, 2024, vol. 12, issue 6, 1-19

Abstract: Distributed renewable sources are one of the most promising contributors for DC microgrids to reduce carbon emission and fuel consumption. Although the battery energy storage system (BESS) is widely applied to compensate the power imbalance between distributed generators (DGs) and loads, the impacts of disturbances, DGs, constant power loads (CPLs) and cyber attacks on this system are not simultaneously considered. Based on this, a distributed fuzzy output consensus control strategy is proposed to realize accurate current sharing and operate normally in the presence of denial of service (DoS) attacks and false data injection (FDI) attacks. Firstly, the whole model of the BESS in DC microgrids embedded into disturbance items, DGs, CPLs and resistive loads, is firstly built. This model could be further transformed into standard linear heterogeneous multi-agent systems with disturbance, which lays the foundation for the following control strategy. Then the model of FDI and DoS attacks are built. Meanwhile, the fuzzy logic controller (FLC) is applied to reduce the burden of communication among batteries. Based on these, a distributed output consensus fuzzy control is proposed to realize accurate current sharing among batteries. Moreover, the system under the proposed control in different cases is analyzed. Finally, the feasibility of the proposed control strategy is verified by numerical simulation results and experiment results.

Keywords: battery energy storage system; output consensus control; fuzzy control; cyber attacks (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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