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基于粗糙集和图论的电力系统故障诊断方法

, PP. 511-516

Keywords: 故障决策表图,邻接矩阵,属性约简,故障信息覆盖度

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Abstract:

将粗糙集与图论相结合处理电力系统故障诊断,提出了故障决策表图的新概念,得到一种基于粗糙集和图论的电力系统故障诊断方法,并进一步提出了故障信息覆盖度和故障诊断规则分级的概念.利用故障决策表图及其邻接矩阵,得到了快速识别决策表核属性和属性约简的方法,并将规则分级应用于故障规则提取.利用所提出的方法对具体实例进行处理,仿真结果表明,该方法能有效地减少时间和空间复杂度,可根据设定的阈值提取诊断规则.

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