نتایج جستجو برای: reliability theory
تعداد نتایج: 915781 فیلتر نتایج به سال:
In this paper we extend an earlier worst case bound reliability theory to derive a worst case reliability function R(t), which gives the worst case probability of surviving a further time t given an estimate of residual defects in the software N and a prior test time T. The earlier theory and its extension are presented and the paper also considers the case where there is a low probability of a...
This paper is a sequel to a 2011 paper of mine in the same journal ("On continuous lifetime distributions with polynomial failure rate with an application in reliability They describe a new class of lifetime distributions applicable in Reliability Theory. The theory is illustrated by analysing a real failure data set. Two disparate fields (Reliability Theory and Computer Theory) are interlinked...
The theory of reliability and reliability estimates, nearly a century old, has rarely been employed in anthropology, both for lack of familiarity and related problems of computation. This theory is reviewed and considered for use with anthropological data. A set of procedures is provided which combine existing methods to solve the practical problems in use of the theory to assess the reliabilit...
This paper puts forward a reliability estimation method by the Degradation Amount Distribution (DAD) of products, using a composite time series modeling procedure and grey theory based on a random failure threshold. Product DAD data are treated as a composite time series and described using a composite time series model to predict a long-term trend of degradation. The degradation test is proces...
The study illustrates the application of generalizability theory (G-theory) to identify measurement protocols that optimize reliability of two clinical methods for assessing spine curvatures in women with osteoporosis. Triplicate measures of spine curvatures were acquired for 9 postmenopausal women with spine osteoporosis by two raters during a single visit using a digital inclinometer and a fl...
It has been recognized that design-for-reliability (DFR) during the conceptual design stage is very challenging. There are several gaps and deficiencies hindering the DFR implementation. The first gap is due to the disconnection between the output of the conceptual design and reliability parameters needed for the reliability modeling. The second gap is between the knowledge available during the...
In this paper we study the reliability of calculations of the structural reliability. It compares the exact reliability expression within the Bernoulli-Euler column theory with its counterpart obtained via the finite difference expression in the buckling context.
A large percentage of software development costs are spent on software reliability and testing. However, many practicing software engineers and graduate students in computer science have never taken a course in software reliability or software testing. A graduate-level software engineering course at North Carolina State University provides instruction in these topics to better prepare current a...
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