Terminal Access Data Anomaly Detection Based on Random Forest for Power User Electric Energy Data Acquisition System
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There are several drawbacks in rule-based traditional terminal access data anomaly detection methods for power user electric energy data acquisition system. They are easy to be bypassed, and the false positive rate and false negative rate are often very high. To address these problems, we propose a terminal access data anomaly detection model based on random forest focusing on the communication protocol, namely 376.1 master station communication protocol. Firstly, through analyzing the characteristics of the 376.1 master station communication protocol, we construct an expressive multidimensional feature set. Then we choose random forest to detect abnormal access data. The experimental result shows that the detection model outperforms its counterparts. Our work also provides a new idea for terminal access data anomaly detection.
KeywordsPower user electric energy data acquisition system 376.1 master station communication protocol Anomaly detection Feature extraction Random forest
This work was supported by Research and Application of Key Technologies for Unified Data Collection of Multi-meter (JL71-17-007) and National Natural Science Foundation of China (No. U1536122).
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