Real-Time Evaluation of Cyberattack-Resilient Control for Secure Large-Scale Power Networks
Why this work is in the frame
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Bibliographic record
Abstract
This paper studies the load frequency control (LFC) performance of a multi-area power network targeted by false data injection attacks (FDIAs). To this end, a cyberattack-resilient defense strategy consisting of the model and learning-based methods is proposed to improve the network frequency response. A strategy based on comparing the state estimation performed by the model-based observer with a threshold value is used in the presented mechanism to detect attacks. After detecting an attack, an artificial intelligence (AI) observer predicts the control signals and compares them with the observed ones. When there is a significant deviation, an event-trigger strategy blocks the observed signal and sends the predicted signal to the physical network. In the presented strategy, a model-free nonsingular terminal sliding mode control (MFNTSMC) scheme based on the ultra-local model (ULM) principle is also developed as the secondary controller to regulate the network frequency response under FDIAs. Also, a sliding mode observer is designed to estimate the unknown terms related to the ULM. The presented controller improves the finite-time convergence of the system states to the origin and inherits the intrinsic robustness of sliding mode methods. Moreover, it provides high-precision tracking under disturbances and uncertainties. An auxiliary deep policy gradient method with actor and critic neural networks is designed to enhance the controller’s dynamic efficiency. The practical implementation of the suggested strategy is assessed utilizing the Speedgoat-based real-time platform and compared with the other methods under physical limitations and FDIAs.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it