{'fraction_non_alphanumeric': 0.0132404181184669, 'fraction_numerical': 0.0013937282229965157, 'mean_word_length': 5.903846153846154, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
Reliability evaluation of cyber-physical system considering integration of power and communication risk

With the continuous interaction and integration of communication system and power system, the reliability and security of power grid operation are greatly challenged. Most of the existing reliability analysis and risk assessment studies treat the physical system and information system in isolation, which is not enough to reflect the real system reliability. In order to accurately evaluate the reliability of complex scenarios in practical engineering applications, firstly, the correlation characteristics of power communication faults under the background of power information physical fusion are studied. Secondly, the key elements of communication network are modeled by Petri net. Combined with the impact of communication system reliability on cyber-physical system, the reliability evaluation method and index of power communication system considering information physical fusion risk are proposed. This method considers the correlation of power communication load reliability index, and provides a feasible means to accurately evaluate the reliability of power grid under the background of power information physical fusion. Finally, the reliability evaluation method proposed in this paper is simulated and analyzed on IEEE-57 node system. The simulation results verify the effectiveness and superiority of this method.