计算机工程与应用
計算機工程與應用
계산궤공정여응용
COMPUTER ENGINEERING AND APPLICATIONS
2014年
24期
151-155,243
,共6页
唐长春%敖志刚%宫云祥%张康益%王有成
唐長春%敖誌剛%宮雲祥%張康益%王有成
당장춘%오지강%궁운상%장강익%왕유성
信息融合%DSmT%冲突再分配%直觉模糊集
信息融閤%DSmT%遲突再分配%直覺模糊集
신식융합%DSmT%충돌재분배%직각모호집
information fusion%DSmT%conflict redistribution%intuitionistic fuzzy sets
DSmT在组合结果中保留了冲突焦元,一方面提高了组合冲突证据能力,另一方面造成了冲突信息的积累,促使分配给主焦元的信度不合理地减小,导致组合信息的不确定性增加,不利于决策。针对DSmT存在的缺陷,提出了一种新的基于冲突再分配的组合规则。为进一步提高DSmT处理冲突、模糊和不精确信息能力,研究了DSmT在直觉模糊集上的拓展,将传统的信度赋值函数替换为直觉模糊信度赋值映射,并讨论了直觉模糊拓展后的信度组合规则。数值实例验证了所提方法的有效性。
DSmT在組閤結果中保留瞭遲突焦元,一方麵提高瞭組閤遲突證據能力,另一方麵造成瞭遲突信息的積纍,促使分配給主焦元的信度不閤理地減小,導緻組閤信息的不確定性增加,不利于決策。針對DSmT存在的缺陷,提齣瞭一種新的基于遲突再分配的組閤規則。為進一步提高DSmT處理遲突、模糊和不精確信息能力,研究瞭DSmT在直覺模糊集上的拓展,將傳統的信度賦值函數替換為直覺模糊信度賦值映射,併討論瞭直覺模糊拓展後的信度組閤規則。數值實例驗證瞭所提方法的有效性。
DSmT재조합결과중보류료충돌초원,일방면제고료조합충돌증거능력,령일방면조성료충돌신식적적루,촉사분배급주초원적신도불합리지감소,도치조합신식적불학정성증가,불리우결책。침대DSmT존재적결함,제출료일충신적기우충돌재분배적조합규칙。위진일보제고DSmT처리충돌、모호화불정학신식능력,연구료DSmT재직각모호집상적탁전,장전통적신도부치함수체환위직각모호신도부치영사,병토론료직각모호탁전후적신도조합규칙。수치실례험증료소제방법적유효성。
Dezert-Smaradache Theory retains conflicting focal element in the combined result, which benefits the combi-nation ability for conflict evidence, meanwhile, it results in the accumulation of conflicting information, and makes the composite reliability of main focal element reduce illogically. A new combination rule based on conflict redistribution is proposed to resolve the problem of DSmT. In order to further improve the DSmT performance in dealing with uncertain, highly conflicting and imprecise information, this paper researches the method to develop DSmT on the intuitionistic fuzzy sets. An intuitionistic fuzzy belief assignment mapping is defined to replace traditional belief assignment function, and the combination rule based on the new mapping is discussed in this paper. Numerical examples demonstrate the effec-tiveness of the proposed method.