排队论在设定产品维修服务人员中的应用

254201112JournalofHebeiNormalUniversityofScience＆TechnologyVol．25No．4Dec2011121*10660002。O226A1672-7983201104-0071-05。。。1。。。1。1Poisson2、。23。3。4。22．1。X/Y/Z/A/B/C4XYZABC。1M/M/1/∞/∞。。2sssM/M/1/∞/∞。*。。[e-mail]。2011-04-022011-05-08。3。M/M/s/∞/∞5。1232．21λ。λ。2μ。、。3ρ。ρ=λ/μρ＞10ρ1。4p0。5L。6Lq。7W。8Wq。。1232333M/M/s/∞/∞。M/M/s/∞/∞pn=pN=nn=012…i。1λn=λn=0123…i11λ。2725μn=nμn=0123…isμn=ss+1…i{22snμsμ。。3pn=ρnnp0n=123…sρnsn－sspn=ss+1…{i3p0=∑s－1n=0ρnn+ρss1－ρs[]－1200731910．22Lq=∑∞n=s+1n－spn=p0ρsρss1－ρs2200732010．24Lq=1－ρW=L/λWq=Lq/λ=W－1/μλμs6～8、、。。3。。3．1M/M/s/∞/∞SM/M/s/∞/∞λμs。Cz4Cz=C1s+C2L4C11。C2L。4ssCzsCzss*5374Czs*≤Czs*+1Czs*≤Czs*－1{5Cz=C1s+C2L5C1s*+C2Ls*≤C1s*－1+C2s*－1C1s*+C2Ls*≤C1s*+1+C2s*+1{6Ls*－Ls*+1≤C1/C2≤Ls*－1－Ls*6s=123…i2LC1/C26s*。。45/25/C1=6C2=3。。λ=45/μ=25/ρ=λ/μ=1．8M/M/s/∞/∞p0Ls。p0=∑s－101．8nn+1．8ns－1s－1．8[]－1Lc=1．8n+1s－1s－1．82+1．81sLsLs－Ls+1Ls－1－LsFs1∞∞∞29．096．96∞39．2732．130．316．9624．3941．830．030．3029．4951．800．0335．40=2C1/C20．31～6．96s*=33ZZs*=Z3=24．393．2L。。3。。、、3k'm'g'kmg。μx%y%z%。k'kx%+m'my%+g'gz%7μ'=μk'kx%+m'my%+g'gz%77。44725。。1．J．2008301125-126．2．M．2．2003．3．M．．2000．4．J．201018512-1318．5．J．200913395-102．6．J．2009301065-68．7．J．200014328-30．8．J．20063220-21．1988-。。TheApplicationofQueuingTheoryinProductMaintenanceServicePersonnelDesignLIUDong1ZHULing2HELIANZhi-wei11CollegeofEconomyandManagementYanshanUniversityQinhuangdaoHebei0660042People’sUniversityofChinaChinaAbstractInordertoimprovetheenterpriseproductmaintenancepersonnelserviceefficiencyandquantizationdecision-makingmethodthequeuingtheorywasusedtoimprovemaintenanceservicesystemoptimization．Sin-gle-cohortmulti-maintenanceservicepersonnelqueuesystemwasfirstidentified．Theanalyticaloptimizationmodelwasthenpointedoutusingthediscretefunctionandmarginalanalysistoimproveproductmaintenancepersonnelserviceefficiencymethodandtheapplicationexampleswerealsogiven．Keywordsenterprisemanagementproductmaintenanceserviceefficiencyserviceoptimizationqueuingthe-ory櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴櫴marginalanalysis70TeachingReformofCivilEngineeringDrawingBasedonEngineeringAbilityTrainingLIChun-liuJINXi-pingLIBing-xinCAOZhi-gangSUIFeng-taoCollegeofUrbanConstructionHebeiNormalUniversityofScience＆TechnologyQinhuangdaoHebei066004ChinaAbstractSeveralissuesoccurinpresentCivilEngineeringDrawingcoursesuchasteachingcontentislaggingbehindthedevelopmentoftheengineeringcourseteacherslackthepracticalabilityschool’shardwarelagbe-hindtheteachingrequirements．Theseresultinthelackofpracticalabilityofstudents．Accordingtoourresear-chesCivilEngineeringDrawingcoursecontentshouldbedividedintosixmoduleswhicharedescriptivegeom-etryengineeringgraphicsbasicsknowledgeofcivilengineeringdesignprofessionalgraphicscomputergraph-icsandcurriculum．Keywordscivilengineeringdrawingengineeringabilityteachingreform574