Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/14649
Title: A study on the change of software failure-process based on NHPP reliability models
Authors: GAO WEI
Keywords: Additive Software Reliability Models; Change-point Phenomenon; Control Chart; Failure-process Change; NHPP Software Reliability Model; SRE
Issue Date: 25-May-2005
Source: GAO WEI (2005-05-25). A study on the change of software failure-process based on NHPP reliability models. ScholarBank@NUS Repository.
Abstract: AbstractThe typical assumption of software reliability is to assume that faults are uncovered independently and randomly from the same failure distribution. However, in many cases of the reality, the failure-process may change from one distribution to another. The change-point phenomenon causes a difficulty for current models in getting more accurate reliability measurements. The aim of this research is to study ways to improve reliability analysis when the software failure process has apparently changed. To solve the problem, methods that can make use of the existing models are proposed. Firstly, a generic change-point additive model which is method-oriented is proposed and the existing NHPP reliability models are made the best use of. And a control chart is designed to monitor failure-process change and the newest information is used to fit the models, thus obtaining more accurate reliability prediction.
URI: http://scholarbank.nus.edu.sg/handle/10635/14649
Appears in Collections:Master's Theses (Open)

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Acknowledgement.pdf3.42 kBAdobe PDF

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Table of Contents.pdf19.43 kBAdobe PDF

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Chapter1.pdf18.1 kBAdobe PDF

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Reference.pdf24.97 kBAdobe PDF

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