A Measurement Source Authentication Methodology for Power System Cyber Security Enhancement
IEEE TRANSACTIONS ON SMART GRID(2018)
摘要
This letter proposes a spatial signature-based power system measurement source identification and authentication methodology. A mathematical morphology method is used to decompose the power system measurement signals and obtain the intrinsic components, which sparsity trends and roughness values are further derived to establish the time-frequency (TF) sparsity mapping. Then random forest classification is utilized to correlate the correct measurement source for each measurement signal based on the derived TF sparsity mapping. Experiment results using five phasor measurement units has validated the effectiveness of this methodology.
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关键词
Cyber security, measurement, source authentication, spatial signature, phasor measurement unit (PMU)
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