Results 21 to 30 of about 19,910,340 (167)

NHPP Testability Growth Model Considering Testability Growth Effort, Rectifying Delay, and Imperfect Correction

open access: yesIEEE Access, 2020
Over the last several years, many testability growth models (TGMs) have been developed to greatly facilitate engineers and managers in tracking and measuring the growth of testability as system is being improved.
Tianmei Li   +4 more
doaj   +1 more source

Intensity estimation of non-homogeneous Poisson processes from shifted trajectories [PDF]

open access: yes, 2013
In this paper, we consider the problem of estimating nonparametrically a mean pattern intensity λ from the observation of n independent and non-homogeneous Poisson processes N1,…,Nn on the interval [0,1].
Marteau, Clément   +3 more
core   +1 more source

Prediction of Tool Remaining Useful Life Based on NHPP-WPHM

open access: yesMathematics, 2023
A tool remaining useful life prediction method based on a non-homogeneous Poisson process and Weibull proportional hazard model (WPHM) is proposed, taking into account the grinding repair of machine tools during operation.
Yingzhi Zhang   +4 more
doaj   +1 more source

A Software Reliability Model with a Weibull Fault Detection Rate Function Subject to Operating Environments

open access: yesApplied Sciences, 2017
When software systems are introduced, these systems are used in field environments that are the same as or close to those used in the development-testing environments; however, they may also be used in many different locations that may differ from the ...
Kwang Yoon Song   +2 more
doaj   +1 more source

NHPP process and optimal policy of maintenance on repairable systems with fault intensity function log-normal Modified Weibull [PDF]

open access: yes, 2021
ilustraciones, diagramas, tablasEl análisis de equipos reparables ha sido un tema con gran desarrollo en confiabilidad. Un acercamiento común al modelamiento de este tipo de sistemas es por medio procesos de conteo, entre ellos los procesos Poisson ...
Vargas Correa, Raquel
core   +1 more source

A Software Reliability Model Considering the Syntax Error in Uncertainty Environment, Optimal Release Time, and Sensitivity Analysis

open access: yesApplied Sciences, 2018
The goal set by software developers is to develop high quality and reliable software products. During the past decades, software has become complex, and thus, it is difficult to develop stable software products.
Da Hye Lee   +3 more
doaj   +1 more source

On double periodic non-homogeneous poisson processes [PDF]

open access: yes, 2002
Non-homogenous Poisson processes with periodic claim intensity rate are proposed as the claim counting process of risk theory. We introduce a doubly periodic Poisson model with short and long term trends, illustrated by a double-beta intensity function ...
Garrido, José, Lu, Yi
core   +1 more source

An NHPP Software Reliability Model with S-Shaped Growth Curve Subject to Random Operating Environments and Optimal Release Time

open access: yesApplied Sciences, 2017
The failure of a computer system because of a software failure can lead to tremendous losses to society; therefore, software reliability is a critical issue in software development.
Kwang Yoon Song   +2 more
doaj   +1 more source

A Bayesian Pipe Failure Prediction for Optimizing Pipe Renewal Time in Water Distribution Networks

open access: yesInfrastructures, 2022
The sustainable management of the water supply system requires methodologies to monitor, repair, or replace the aging infrastructure, but more importantly, it must be able to assess the condition of the networks and predict their behavior over time ...
Widyo Nugroho   +2 more
doaj   +1 more source

Numerical Solution Method for Software Reliability Growth Model Within Framework of Generalized Polynomial Chaos [PDF]

open access: yesJisuanji kexue yu tansuo
As the quality of software systems improves, the demand for the reliability of software systems increases. Due to the complexity of software systems and the uncertainty inherent in their operating environments, it is challenging for researchers to obtain
YANG Xiaoyi, LAN Yuqing, ZHANG Yue
doaj   +1 more source

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