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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Weibull models appear to be very flexible and widely used in the maintainability field for ageing models. The aim of this contribution is to systematically study the ability of classically used one-mode Weibull models to approximate the bathtub reliability model. Therefore, we analyze lifetime data simulated from different reference cases of the well-known bathtub curve model, described by a bi-Weibull distribution (the infant mortality is skipped, considering the objective of modeling ageing). The Maximum Likelihood Estimation (MLE) method is then used to estimate the corresponding parameters of a 2-parameter Weibull distribution, commonly used in maintenance modeling, and the same operation is performed for a 3-parameter Weibull distribution, with either a positive or negative shift parameter. Several numerical Studies are presented, based first large and complete samples of failure data, then a censored data set, the failure data being limited to the useful life region and to the start of the agein Weibull models appear to be very flexible and widely used in the maintainability field for ageing models. The aim of this contribution is to systematically study the ability of classically used one-mode Weibull models to approximate the bathtub reliability model. Therefore, we analyze lifetime data simulated from different reference cases of the well-known bathtub curve model, described by a bi-Weibull distribution (the infant mortality is skipped, considering the objective of modeling ageing). The Maximum Likelihood Estimation (MLE) method is then used to estimate the corresponding parameters of a 2-parameter Weibull distribution, commonly used in maintenance modeling, and the same operation is performed for a 3-parameter Weibull distribution, with either a positive or negative shift parameter. Several numerical Studies are presented, based first large and complete samples of failure data, then a censored data set, the failure data being limited to the useful life region and to the start of the agein (en)
Title	On the modeling of ageing using Weibull models: Case studies On the modeling of ageing using Weibull models: Case studies (en)
skos:prefLabel	On the modeling of ageing using Weibull models: Case studies On the modeling of ageing using Weibull models: Case studies (en)
skos:notation	RIV/61989100:27600/09:00021198!RIV10-MSM-27600___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6198910007)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Praks, Pavel
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Katedra matematiky a deskriptivní geometrie
http://linked.open...dnocenehoVysledku	331551
http://linked.open...ai/riv/idVysledku	RIV/61989100:27600/09:00021198
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Modeling of Ageing; Failure Rate; Failure Database; Wear-Out (en)
http://linked.open.../riv/klicoveSlovo	Modeling of Ageing Failure Rate Failure Database Wear-Out
http://linked.open...ontrolniKodProRIV	[DF0A11BB2569]
http://linked.open...v/mistoKonaniAkce	Valencia
http://linked.open...i/riv/mistoVydani	London
http://linked.open...i/riv/nazevZdroje	European Safety and Reliability Conference (ESREL)/17th Annual Meeting of the Society-for-Risk-Analysis-Europe (SRA-Europe)
http://linked.open...in/vavai/riv/obor	BB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...iv/tvurceVysledku	Praks, Pavel Bacarizo, Hugo Fernandez Labeau, Pierre-Etienne
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000266027000071
http://linked.open.../riv/zahajeniAkce	2009-09-22 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Research of the reliability of power systems in connection with non-traditional ecological sources of energy and valuation of unsupplied energy
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	CRC PRESS-TAYLOR & FRANCIS GROUP
https://schema.org/isbn	978-0-415-48513-5
http://localhost/t...ganizacniJednotka	27600
is http://linked.open...avai/riv/vysledek of	On the modeling of ageing using Weibull models: Case studies On the modeling of ageing using Weibull models: Case studies On the modeling of ageing using Weibull models: Case studies On the modeling of ageing using Weibull models: Case studies

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