智能电网信息通信系统风险评估的模糊测度方法

发布时间：2018-06-22 13:57

  本文选题：电力信息通信网 + 风险评估　； 参考：《电力建设》2017年05期

【摘要】：信息系统与物理系统的深度融合给智能电网信息通信系统的风险评估带来了新的挑战。由于电力网与电力信息网之间的耦合程度越来越深,造成电力信息通信网络的风险评估是一个多层次、多指标,且指标之间具有深度相关性的问题。在此背景下,研究了一种综合的风险评估模型。首先,构建了电力信息通信网络风险评估的指标体系。然后,利用模糊测度和模糊积分法对风险进行综合评估;其中,利用主、客观相结合的权重计算方法来确定单指标的模糊密度,将得到的模糊密度进行模糊测度后,用模糊积分算子来融合指标集合的综合估计值。最后,基于最大隶属度原则得到综合的风险评估值。通过算例分析,验证了该方法的有效性。
[Abstract]:The deep integration of information systems and physical systems brings new challenges to the risk assessment of smart grid information and communication systems. As the coupling between power network and power information network is getting deeper and deeper, the risk assessment of power information and communication network is a multi-level, multi-index problem with deep correlation between the indicators. In this context, a comprehensive risk assessment model is studied. Firstly, the index system of power information communication network risk assessment is constructed. Then, the fuzzy measure and fuzzy integral method are used to evaluate the risk, in which, the fuzzy density of a single index is determined by the weight calculation method of subjective and objective combination, and the fuzzy density is measured by fuzzy measure. The fuzzy integral operator is used to fuse the synthetic estimate of the index set. Finally, the comprehensive risk assessment value is obtained based on the principle of maximum membership. The effectiveness of the method is verified by an example.
【作者单位】： 华北电力大学经济与管理学院;国网新疆电力公司信息通信公司;华北电力大学控制与计算机工程学院;新能源电力系统国家重点实验室(华北电力大学);
【基金】：国家自然科学基金项目(51407076) 中央高校基本科研业务费专项资金资助项目(2015ZD28) 河北省自然科学基金项目(F2014502050)~~
【分类号】：TM73;TM76
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本文编号：2053050