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一种新的覆盖粗糙模糊集模型

, PP. 1653-1662

Keywords: 覆盖,粗糙集,模糊集,粗糙模糊集,模糊覆盖粗糙隶属度

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Abstract:

在覆盖粗糙集与模糊集结合的研究中,已有的覆盖粗糙模糊集模型存在两类问题:一类是元素的上、下近似隶属度之间的差值通常过大;另一类是元素的上、下近似隶属度与其在给定模糊集中的隶属度无关.对此,通过定义模糊覆盖粗糙隶属度,将元素的最小描述与给定模糊集建立联系,同时综合元素在给定模糊集中的隶属度,进而建立一个新的覆盖粗糙模糊集模型.理论比较和实验结果均表明该模型可以有效解决上述两类问题.

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