Abstract
Aiming at the problems of long time consuming and low accuracy of the current high voltage power communication network security early warning and monitoring system, a high voltage power communication network security early warning and monitoring system based on HMAC algorithm is proposed and designed. The system hardware adopts Siemens S7–1200 CPU, PT120 platinum thermal resistance and temperature transmitter, two-wire access method and three-wire access method to realize port access. Wrnb-230 sensor is selected as the core sensing equipment, and information monitoring is realized through YHJCQ's photosensitive electronic monitoring device. Information monitoring is realized by the light sensing electronic monitoring device of YHJCQ. The characters of early warning information are numerically processed by Bagging-SVM coding, and the support vector machine model is constructed to integrate the early warning parameters. According to the redundancy matrix of early warning parameters, the accommodating space parameters of the early warning platform are allocated to realize the network security early warning. The experimental results show that the designed HMAC algorithm based high-voltage power communication network security warning monitoring system can detect the abnormal state of intrusion signals well, and the warning accuracy is higher.
Published Version
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