A New Method for Ranking Discrete Z-number

Yuming Gong, Xiang Li, Wen Jiang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Comparing two or more fuzzy numbers and ordering them is an important topic in fuzzy theory. Z-number as a kind of fuzzy number that can effectively reflect the real world, after Zadeh proposed Z-number, the research on the ranking of Z-numbers has also received much attention. So the ranking of discrete Z-number is a necessary operation in Z-number arithmetic and has important practical significance. In this paper, we propose a new discrete Z-numbers ordering method. Our method is achieved by transforming discrete Z-number into common discrete fuzzy number and then comparing the magnitude of the transformed discrete fuzzy number. Finally, we present an example to illustrate this approach.

Original languageEnglish
Title of host publicationProceedings of the 32nd Chinese Control and Decision Conference, CCDC 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages3591-3596
Number of pages6
ISBN (Electronic)9781728158549
DOIs
StatePublished - Aug 2020
Event32nd Chinese Control and Decision Conference, CCDC 2020 - Hefei, China
Duration: 22 Aug 202024 Aug 2020

Publication series

NameProceedings of the 32nd Chinese Control and Decision Conference, CCDC 2020

Conference

Conference32nd Chinese Control and Decision Conference, CCDC 2020
Country/TerritoryChina
CityHefei
Period22/08/2024/08/20

Keywords

  • Decision making
  • Discrete Z-number
  • Fuzzy set
  • Ranking of Z-number

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