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ReliabilityAnalysisforExplosiveInitiatorBasedonGeneralizedLinearModels
1 1 1 2
HONG Dongpao ,WANG Yinghua ,GUAN Fei,WEN Yuquan
(1.ChinaAcademyofLaunchVehicleTechnology,Beijing100076,China;2.StateKeyLaboratoryofExplosionScienceandTechnology,BeijingInstituteof
Technology,Beijing100081,China)
Abstract:Inordertoimprovethereliabilityanalysisoftheexplosiveinitiatorwithsmallsamplesize,amethodbasedongeneral
izedlinearmodelsofreliabilityanalysisforexplosiveinitiatorwasproposedaccordingtosensitivitytestandcharacteristicsofrelia
bilityanalysis.Thelikelihoodfunctionwastransformedtoageneralizedlinearexpressionofbinomialvariable.Usingthegeneral
izedlinearmodelforbinomialdistribution,themaximum likelihoodestimationsofthemodelcoefficientswereobtained,andcor
respondingarithmeticwasputforward.Withtheasymptoticnormalityofmaximum likelihoodestimations,theapproximatedcon
fidenceintervalforthereliabilitywasobtainedbylogittransform ofreliabilityfuaction.Thepresentmethodwasvalidatedbythe
testdataofstabdetonatorandelectronicdetonator.Resultsshow thatusingabout150samplesisavailabletoanalysistheexplosive
initiatorwithareliabilitygoalof0.999bythemethodinthisresearch.
Keywords:aircraftdesign;explosiveinitiator;reliabilityanalysis;generalizedlinearmodels;sensitivitytest
CLCnumber:TJ55,TB114.3 Documentcode:A DOI: 10.11943/j.issn.10069941.2015.03.013
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