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An improved multilevel fuzzy comprehensive evaluation algorithm for security performance

The Journal of China Universities of Posts and Telecommunications 2006年第4期13卷 48-53页

作者： LI Ling-juan SHEN Ling-tong College of Computer Nanjing University of Posts and Telecommunications Nanjing 210003. China

It is of great importance to take various factors into account when evaluating the network security performance. multilevel fuzzy comprehensive evaluation is a relatively valid method. However, the traditional multilevel fuzzy comprehensive evaluation algorithm relies on the expert＇s knowledge and experiences excessively, and the result of the evaluation is usually less accurate. In this article, an improved multilevel fuzzy comprehensive evaluation algorithm, based on fuzzy sets core and entropy weight is presented. Furthermore, a multilevel fuzzy comprehensive evaluation model of P2P network security performance has also been designed, and the improved algorithm is used to make an instant computation based on the model. The advantages of the improved algorithm can be embodied in comparison with the traditional evaluation algorithm.

关键词： security multilevel fuzzy comprehensive evaluation entropy weight P2P network

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Research on the risk-evaluation model of power transmission and transformation projects based on multilevel fuzzy-thought weighting for cloud-model improvement

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Clean Energy 2022年第1期6卷 153-164页

作者： Yanli Xiao Ruixin Gou Zheng Wang Ye Wan State Grid Ningxia Electric Power Co.Ltd Eco-Tech Research Institute NingXia Yinchuan750004P.R.China

The risk evaluation of power transmission and transformation projects is a complex and comprehensive evaluation process influenced by many factors and involves many *** order to solve the uncertainty and fuzziness problems in the process of the multilevel fuzzy risk evaluation of power transmission and transformation projects,this paper introduces the cloud theory,which is specialized in the study of uncertainty problems and constructs the multilevel fuzzy comprehensive risk-evaluation model of power transmission and transformation projects based on the improved multilevel fuzzy-thought weighting based on the cloud ***,the risk of the Beijing 220-kV Tangyu power transmission and transformation project is evaluated and the feasibility of the evaluation model is *** results of the evaluation and the evaluation layer cloud model are combined with MATLAB simulation to show that the risk level of the project is between large risk and general risk.

关键词： power transmission and transformation project risk cloud model multilevel fuzzy comprehensive evaluation smart grid

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