設(shè)備故障規(guī)律建模與基于故障率的最佳更新期研究.pdf

1、中南工業(yè)大學(xué)碩士學(xué)位論文設(shè)備故障規(guī)律建模與基于故障率的最佳更新期研究姓名：梁廣濤申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械設(shè)計(jì)及理論指導(dǎo)教師：卜英勇2001.2.1rPt9t絲些一一一一一一一一ABSTRACTThemaintenanceofplantisanessentialmanagementpointtoensurethecontinualyandstablyrunningoftheproducingprocessandproducingqua

2、lity.Preventingfailureandgettingridoffailureissubstantialytheprocessofbattlingagainstfailure.Failureappearanceisregardedasarandomeventinmacroscopicstudyofit.UsingprobabilityStatisticandrandomprocesscanfindouttheruleoffai

3、lureappearanceanddevelopmentthenfailurecanbecontroledandtheworkofmaintenanceandmanagementofplantcanbewelorganized.Usingthemethodofreliabilitylifedistributionmodelingandanalysisthedensityfunctionofthefailuretimedistributi

4、onisestimated.Thispaperanalysesthewholeprocessofcolectingplantfailureselectingdistributionmodelestimatingparameterstestinggoodnessoffitandpredictingfailure.Thepaperrealizesthesoftwareandcomputerarithmeticdrawsthecurveofd

5、ensityfunctionofthefailuredistributionreliabilityfunctionandfailureratefunction.Theapplicationofexampleoftheenterprisefailureprovesthatthemethodsfeasibilityandcorrectness.Onthebasisofthemethodpreventivemaintenancecycleis

6、calculatedwiththediferentaimsuchastaskreliabilitymaximalavailabilityandminimalcost.Thepaperdiscussesfuzzydecisionmakingmethodaboutpreventivemaintenancecycleforrenewaltype.Thepaperstudiestheplantfailurenumberruleofrandomv

7、ariation.Basedontheprobabilitydistributionofplantfailureintervalrecursionequationforplantfailurenumberestimateanditsprobabilisticanalysisissetup.Somepropertyofthevariationoffailurenumberispointedout.Regardmincostofplantu

8、singasobjectfunctionminimalcostofplantreplacementperiodanditsvariationfigureoffailure.Alaboveresearchfruit二successfulyappliedinPingguoAluminumCompanysplantmaintenanceandmanagementsubsystemofCIMS.Thesuccessfulapplicationi