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Delay-Aware Semantic Sampling in Power Electronic Systems
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DOI：10.1109/TSG.2023.3339707.png)
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摘要
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In power electronic systems (PES), attacks on data availability such as latency attacks, data dropouts, and time-synchronization attacks (TSAs) continue to pose significant threats to both the communication network and the control system performance. As per the conventional norms of communication engineering, PES still rely on time synchronized sampling, which translates every received message with equal importance. In this paper, we go beyond event-triggered sampling/estimation to integrate semantic principles into the sampling process for each distributed energy resource (DER), which not only compensates for delayed communicated signals by reconstruction of a new signal from the inner control layer dynamics, but also evaluates the reconstruction stage using key semantic requirements, namely Freshness, Relevance and Priority for good dynamic performance. As a result, the sparsity provided by event-driven sampling of internal control loop dynamics translates as semantics in PES. The proposed scheme has been extensively tested and validated on a modified IEEE 37-bus AC distribution system, under many operating conditions and noisy environment in OPAL-RT environment to establish its robustness, model-free design ability and adaptive behavior to dynamic cyber graph topologies.
Keyword:
Semantics
Synchronization
Real-time systems
Delays
Global Positioning System
Cyberattack
Training
Data dropout
delay-aware semantic sampling
distributed control
inner control loop dynamics
latency attack
power electronic systems (PES)
time synchronization attack (TSA)
期刊
IF:
9.8
论文数:
5.7K
被引数:
4.3W
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