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Estimation of reliability characteristics of general system configuration

Hare Krishna (Chaudhary Charan Singh University, Meerut, India)
Ranjeet Sharma (Chaudhary Charan Singh University, Meerut, India)

International Journal of Quality & Reliability Management

ISSN: 0265-671X

Article publication date: 1 August 2008

Abstract

Purpose

The purpose of this paper is to consider a General System Configuration (GSC), whose particular cases are all the popular system configurations. In reliability engineering one comes across various system configurations, for example, series, parallel and k‐out of‐m system models, which consist of a number of components.

Design/methodology/approach

The paper gives a general approach to express the reliability properties of the whole system in terms of component parameters. The reliability of a GSC is expressed as a polynomial of the component reliability. Lifetime data on components have been used to estimate the system reliability characteristics through classical and Bayes estimation procedures.

Findings

The paper finds that the underlying distribution is assumed to be Weibull and, in view of cost constraints, Type‐II censored information has been used.

Practical implications

The paper is useful for reliability practitioners as well as theoreticians. It provides an easy method to estimate the reliability of any system configuration.

Originality/value

Three types of estimation procedures for a general system configuration have been developed for the first time. The lifetimes of components are assumed to follow widely used Weibull distribution, whose particular case is the most popular exponential distribution.

Keywords

Citation

Krishna, H. and Sharma, R. (2008), "Estimation of reliability characteristics of general system configuration", International Journal of Quality & Reliability Management, Vol. 25 No. 7, pp. 772-786. https://doi.org/10.1108/02656710810890917

Publisher

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Emerald Group Publishing Limited

Copyright © 2008, Emerald Group Publishing Limited