眼科病床安排的优化模型-陈利菊

20116273PureandAppliedMathematicsJun.2011Vol.27No.3,,,(,710106),,.,.;;;O29A1008-5513(2011)03-0419-041[1],.,,,,.[1],,(+),0-1.[1],,.[1],.,,.[1],.21.;2.;3.,,.33.1,,.,[2]:(1)2011-02-10.(1973-),,,.2009.42027;(2);(3);(+).,,.3.2,,M,M.,.(1)it:ti1,ti2,ti3,ti2+ti3.ti1,ti2,.,,T1max¡ti1T1max¡T1minti1,T1max,T1min.,ti1,.ti2+ti3,:µ7Pi=1Zj1¢ti2j+ti3¶¡T2minT2max¡T2minT2max,T2min,.,,.(2)+0-1:min=NXi=1bi1ÃP1¢ÃT1max¡ti1T1max¡T1min!+P2¢Ã7Pi=1Zj1¢ti2j+ti3¡T2minT2max¡T2min!!s.t.8:Zj1;bi12f0;1g;7Xi=1Zj1=1;NXi=1bi1=M;P1+P2=1;P1;P20:,bi10-1,;Zj1j;P1,P2,P1,P2;ti2jij;ti3i,.3:421(3),200891.:5,20089183.FCFS,52008819,5:t1o+t2o+t3o=126.33.,200891,P1=P2=0:5,75.67.,91,.(126.33-75.67)/126.33=0.401,.3.3,ipiti.:0.19,0.25,0.44,0.12,:5.24,8.56,11.9,7.04.,Tmean:Tmean=Xpiti=0:19£5:24+0:25£8:56+0:44£11:9+0:12£7:04¼9:2,,N,79,Tw:·N79¸¢Tmean·Tw·µ·N79¸+1¶¢Tmean,[N79].,N,,.,.,100,[N79]=[10079]=[1:2]=1,(Tmean;2Tmean)=(9:2;18:4).3.4(1),,,.ti2.[3].200894,,,:160.17.,,:141.18.,,,,.(2).,,.,.,12,:(1),;(2),;(3),.3,2.93,3.,,(2).,2008917,(2).422273.5(1),()[4-5].,,(),,,iNi.Q=79,,ipi.,iti.Nii,,mti¢m,ti.,:min4Xi=1½niµti+2ti+:::+·Nini¸¢ti¶+µNi¡ni¢·Nini¸¶¢µ·Nini¸+1¶¢ti+Ni¢ti¾s:t:4Xi=1ni=79;nii,ni=Q¢pi(2)200,:0.19,0.25,()0.44,0.12.:5.24,8.56,11.9,7.04.lingo:12,19,40,8.lingo2005110,25,,,.[1].2009[EB/OL].(2009-07-30)[2009-07-30][2],.[J].,1989,23(6):64-75.[3],,.[J].,2005,21(12):806-809.[4],,.[J].,2008,21:16-17.[5],.[M].3.:,2000.OptimizationmodelforophthalmicsickbedarrangementCHENLi-ju,SONGXiao-feng,ZHANGXi-feng,WANGXi(Xi'anCommunicationsInstitute,Xi'an710106,China)Abstract:Firstly,anintegralprogrammmodelisestablishedforsickbedarrangementaccordingtothedi®er-eenttypesofthepatients.Thepracticalutilityofthismodelisdiscussedinmagnitudefromconcretecomputationprogram.Then,thetimeintervalinhospitalisgivenbystatisticalmethod.Lastly,amodelisestablishedforsickbedproportionassignmentbasedonaveragestayingtimeinhosptial.Keywords:sickbedarrangement,averagestayingtime,integralprogrammmodel,sickbedproportion2000MSC:03C65