Analytical Solution for the Linguistic Weighted Average Problem

被引:0
作者
Liu, Xinwang [1 ]
Xu, Yong [1 ]
Wu, Tong [1 ]
Li, Na [1 ]
机构
[1] Southeast Univ, Sch Econ & Management, Nanjing 210096, Jiangsu, Peoples R China
来源
2014 IEEE INTERNATIONAL CONFERENCE ON FUZZY SYSTEMS (FUZZ-IEEE) | 2014年
关键词
Linguistic weighted average(LWA); fuzzy weighted average (FWA); discrete alpha -cuts; Karnik-Mendel (KM) algorithm; analytical solution method; KARNIK-MENDEL ALGORITHMS; TYPE-2; FUZZY-SETS; AGGREGATION; INFORMATION; OPERATORS; TOPSIS;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The linguistic weighted average (LWA) of interval type-2 fuzzy sets is an extension of the fuzzy weighted average (FWA) of type-1 fuzzy sets. Currently, the commonly used methods of both FWA and LWA are based on alpha-cuts decomposition of the type-1 of type-2 fuzzy sets, which involves large amount of calculations, and the result is not accurate. In this paper, we propose a new algorithm to obtain the analytical solution methods, which is more accurate and efficient than the current alpha-cuts methods. Some properties of the algorithms are discussed. A numerical example is used to illustrate our new proposed algorithms.
引用
收藏
页码:1786 / 1793
页数:8
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