Statistical Fuzzy Reliability Assessment of a Blended System

Fuzzy sets have been proven to constitute an asset in the evolution of reliability theory in recent decades. Their contribution in addressing the possibility of errors, insufficiency of data, randomness, or fuzziness, either in the system or in the accumulation of any data for the respective system,...

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Main Authors: Aayushi Chachra, Akshay Kumar, Mangey Ram, Ioannis S. Triantafyllou
Format: Article
Language:English
Published: MDPI AG 2023-04-01
Series:Axioms
Subjects:
Online Access:https://www.mdpi.com/2075-1680/12/5/419
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author Aayushi Chachra
Akshay Kumar
Mangey Ram
Ioannis S. Triantafyllou
author_facet Aayushi Chachra
Akshay Kumar
Mangey Ram
Ioannis S. Triantafyllou
author_sort Aayushi Chachra
collection DOAJ
description Fuzzy sets have been proven to constitute an asset in the evolution of reliability theory in recent decades. Their contribution in addressing the possibility of errors, insufficiency of data, randomness, or fuzziness, either in the system or in the accumulation of any data for the respective system, which is overlooked in the traditional reliability assessment, seems to be quite crucial. The present work deals with the statistical fuzzy reliability evaluation of a blended system that comprises two subsystems. One system contains two components aligned in a parallel configuration, and the other is a 3-out-of-5 system. The reliability of this model is assessed using two approaches to intuitionistic fuzzy sets (IFS), namely, traditional IFS and interval-valued intuitionistic fuzzy sets (IVIFS). Three cases are considered in each approach, which are compared individually as well as with each other. It was established that the IVIFS yield better results than the IFS. The obtained results are displayed in both tabular and graphical forms for better assessment.
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spelling doaj.art-bff243a018da422cbc0bb299aefbcd382023-11-18T00:27:00ZengMDPI AGAxioms2075-16802023-04-0112541910.3390/axioms12050419Statistical Fuzzy Reliability Assessment of a Blended SystemAayushi Chachra0Akshay Kumar1Mangey Ram2Ioannis S. Triantafyllou3Department of Mathematics, Graphic Era Deemed to be University, Dehradun 248002, IndiaDepartment of Mathematics, Graphic Era Hill University, Dehradun 248002, IndiaDepartment of Mathematics, Computer Science and Engineering, Graphic Era Deemed to be University, Dehradun 248002, IndiaDepartment of Statistics & Insurance Science, University of Piraeus, 18534 Piraeus, GreeceFuzzy sets have been proven to constitute an asset in the evolution of reliability theory in recent decades. Their contribution in addressing the possibility of errors, insufficiency of data, randomness, or fuzziness, either in the system or in the accumulation of any data for the respective system, which is overlooked in the traditional reliability assessment, seems to be quite crucial. The present work deals with the statistical fuzzy reliability evaluation of a blended system that comprises two subsystems. One system contains two components aligned in a parallel configuration, and the other is a 3-out-of-5 system. The reliability of this model is assessed using two approaches to intuitionistic fuzzy sets (IFS), namely, traditional IFS and interval-valued intuitionistic fuzzy sets (IVIFS). Three cases are considered in each approach, which are compared individually as well as with each other. It was established that the IVIFS yield better results than the IFS. The obtained results are displayed in both tabular and graphical forms for better assessment.https://www.mdpi.com/2075-1680/12/5/419interval-valued intuitionistic fuzzy sets (IVIFS)intuitionistic fuzzy reliability (IFR)intuitionistic fuzzy sets (IFS)<i>k</i>-out-of-<i>n</i> systemstatistical fuzzy reliability
spellingShingle Aayushi Chachra
Akshay Kumar
Mangey Ram
Ioannis S. Triantafyllou
Statistical Fuzzy Reliability Assessment of a Blended System
Axioms
interval-valued intuitionistic fuzzy sets (IVIFS)
intuitionistic fuzzy reliability (IFR)
intuitionistic fuzzy sets (IFS)
<i>k</i>-out-of-<i>n</i> system
statistical fuzzy reliability
title Statistical Fuzzy Reliability Assessment of a Blended System
title_full Statistical Fuzzy Reliability Assessment of a Blended System
title_fullStr Statistical Fuzzy Reliability Assessment of a Blended System
title_full_unstemmed Statistical Fuzzy Reliability Assessment of a Blended System
title_short Statistical Fuzzy Reliability Assessment of a Blended System
title_sort statistical fuzzy reliability assessment of a blended system
topic interval-valued intuitionistic fuzzy sets (IVIFS)
intuitionistic fuzzy reliability (IFR)
intuitionistic fuzzy sets (IFS)
<i>k</i>-out-of-<i>n</i> system
statistical fuzzy reliability
url https://www.mdpi.com/2075-1680/12/5/419
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