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Reliability evaluation of circular k-out-of-n: G balanced systems through minimal path sets

Title
Reliability evaluation of circular k-out-of-n: G balanced systems through minimal path sets
Authors
JULANTO, ENDHARTA ALFONSUSYUN, WON YOUNGKO, YOUNG MYOUNG
POSTECH Authors
KO, YOUNG MYOUNG
Date Issued
Dec-2018
Publisher
ELSEVIER SCI LTD
Abstract
This paper studies a circular k-out-of-n: G balanced systems with identical and independent spatially distributed units. The system consists of an even number of units n which have constant survival probability r and failure probability 1 – r. The system is operating if at least k units are operating and it is balanced. A new balance definition is proposed for this system and the system reliability is calculated when the existing and the proposed system balance conditions are considered. The minimal path sets of the system are considered in the evaluation of the system reliability. The difference between the system reliability values reinforces the need to carefully select the system balance definition, depending on the system.
This paper studies a circular k-out-of-n: G balanced systems with identical and independent spatially distributed units. The system consists of an even number of units n which have constant survival probability r and failure probability 1 - r. The system is operating if at least k units are operating and it is balanced. A new balance definition is proposed for this system and the system reliability is calculated when the existing and the proposed system balance conditions are considered. The minimal path sets of the system are considered in the evaluation of the system reliability. The difference between the system reliability values reinforces the need to carefully select the system balance definition, depending on the system.
Keywords
(K-1)-STEP MARKOV DEPENDENCE; PHASED-MISSION REQUIREMENTS; F-SYSTEMS; EXCHANGEABLE LIFETIMES; ECONOMIC DESIGN; LATTICE SYSTEM; MAINTENANCE; COMPONENTS; ALGORITHM; UNCERTAINTY
URI
http://oasis.postech.ac.kr/handle/2014.oak/93977
DOI
10.1016/j.ress.2018.07.023
ISSN
0951-8320
Article Type
Article
Citation
RELIABILITY ENGINEERING & SYSTEM SAFETY, vol. 180, page. 226 - 236, 2018-12
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 KO, YOUNG MYOUNG
Dept of Industrial & Management Enginrg
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