兩同型部件組成的冷貯備系統(tǒng)可靠性和參數(shù)極大似然估計(jì).pdf

1、分類(lèi)號(hào)；0213單位代碼：10005學(xué)號(hào)：$200206019密級(jí)：北京工業(yè)大學(xué)碩士學(xué)位論文題目旦旦型墅鮭塑盛笪整壁魚(yú)菱綾里童絲塑叁塑拯盔叢筮魚(yú)過(guò)英文并列B墾LI△旦!LIT芏QF△里盟立：塹盟I!gQL望題目S絲醴衛(wèi)旦YSYS里墾叢△盟旦!旦量叢曼旦研究生姓名：于匯專(zhuān)導(dǎo)師姓名業(yè)：概率論與數(shù)理統(tǒng)計(jì)研究方向：應(yīng)用統(tǒng)計(jì)楊振海職稱(chēng)：教授論文報(bào)告提交日期!!!!生!旦學(xué)位授予日期授于單位名稱(chēng)和地址j!至三些盔蘭jI塞魚(yú)塑墮匡王墨墾!塑呈——北京

2、工業(yè)大學(xué)理學(xué)碩士學(xué)位論文AbstractInthisarticle，westudythereliabilityofarepairablecoldstandbysystemcomposedoftwosalneunits，aswitchandarepairmanbyageometricprocessapproachWhat’Smore，wediscussthemaximumlikelihoodestimate(MLE)ofthegeomet

3、ricprocess’parameterInthiscase，therepairablecoldstandbysystemisnotasgoodasnewafterrepairmentThatistosaythesystemunits’successivetimesafterrepairmentbecomeshorterandshorter，thefailureunit’srepairmenttimesbecomelongerandlo

4、ngerSupposetheobservationvaluesofthesuccessivetimesafterrepairmentfbrmadecreasinggeometricprocesswithratioa，thedistributionofXlisF(z)Undergivenmodelassumptions，wegettheanalyticalexpressionofreliabilityWeprovetheexistence

5、ofthegeometricprocessratio’smaximumlikelihoodestimate翰Atthesametime，weknowanisastrongconsistentestimateMoreover，let置comesfromanexponentialdistribution，weca4一lfindtheparameters’maximllmlikelih00destimatesarestrongconsiste