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1、第四章习题课例4.1串联排队系统某汽车加油站,汽车以间隔时间为100/10s(均匀分布)到达加油站,排队加油,加油服务时间为80/8s,加油后去交费站,排队等待交费,交费时间为50/30s.求解：1.加油站与交费站的利用率2.加油与交费的平均等候时间SIMULATELINEEQU1L2EQU2F1EQU1F2EQU2GENERATE100,10QUEUELINESEIZEF1DEPARTLINEADVANCE80,8RELEASEF1QUEUEL2SEIZEF2DEPARTL2ADVANCE50,30RELEASEF2TERMINATE1ST
2、ART100END排队加油排队交费加油100/10交费F2LINEL2F1RELATIVECLOCK10168ABSOLUTECLOCK10168BLOCKCOUNTSBLOCKCURRENTTOTALBLOCKCURRENTTOTALBLOCKCURRENTTOTAL111022010130101401015110160100701008010090100100100110100120100FACILITYAVERAGENUMBERAVERAGESEIZINGPREEMPTINGUTILIZATIONENTRIESTIME/TRANTRAN
3、S.NO.TRANS.NO.10.7810178.47120.4810048.80QUEUEMAXIMUMAVERAGETOTALZEROPERC.AVERAGE$AVERAGETABLECURRENTCONTENTCONTENTENTRIESENTRIESZEROTIME/TRTIME/TRNUMBRCONTENT110.00101101100.000.000.000210.00100100100.000.000.000输出结果例4.2并联排队系统(一)汽车站有二台效率相同的加油器,汽车排一个队(交费环节略)。这种情况可有多种解法,本例先将
4、二个加油器做为设施对待,分别为F1和F2。求解：1.加油器的利用率2.汽车的平均等候时间加油F2100/10LINE加油F1本单元习题课SIMULATELINEEQU1F1EQU1F2EQU2GENERATE100,10QUEUELINETRANSFERBOTH,FF1,FF2FF1SEIZEF1DEPARTLINEADVANCE80,8RELEASEF1TERMINATE1FF2SEIZEF2DEPARTLINEADVANCE80,8RELEASEF2TERMINATE1START100END加油F2100/10LINE加油F1本单元习题课
5、例4.3并联排队系统(二)汽车站有二台效率相同的加油器,汽车排一个队(交费环节略)。除上述方法外,可将加油器做为存储器来对待。其容量为2，标号为S1。求解：1.加油器的利用率2.汽车的平均等候时间本单元习题课S1100/10加油器1加油器2SIMULATELINEEQU1S1EQU1S1STORAGE2GENERATE100,10QUEUELINEENTERS1DEPARTLINEADVANCE80,8LEAVES1TERMINATE1START100END进入存储器,即加油器离开存储器,即加油器本单元习题课RELATIVECLOCK1012
6、9ABSOLUTECLOCK10129BLOCKCOUNTSBLOCKCURRENTTOTALBLOCKCURRENTTOTALBLOCKCURRENTTOTAL11101201003010040100501006010070100STORAGECAPACITYAVERAGEAVERAGEENTRIESAVERAGECURRENTMAXIMUMCONTENTUTILIZ.TIME/TRCONTENTCONTENT120.000.3910079.4601QUEUEMAXIMUMAVERAGETOTALZEROPERC.AVERAGE$AVERA
7、GETABLECURRENTCONTENTCONTENTENTRIESENTRIESZEROTIME/TRTIME/TRNUMBRCONTENT110.00100100100.000.000.000输出结果例4.4若加油站有二个门,同时进车,但只站一队等候,应如何编制程序?200/20200/20LINES1SIMULATELINEEQU1S1EQU1S1STORAGE2GENERATE200,20QUEUELINEENTERS1DEPARTLINEADVANCE80,8LEAVES1TERMINATE1GENERATE200,20QUEUE
8、LINEENTERS1DEPARTLINEADVANCE80,8LEAVES1TERMINATE1START100END若二个门进车,怎么办?STORAGECAPA
