送货线路设计问题(题目) 8页

送货路线设计问题现今社会网络越来越普及，网购已成为一种常见的消费方式，随之物流行业也渐渐兴盛，每个送货员需要以最快的速度及时将货物送达，而且他们往往一人送多个地方，请设计方案使其耗时最少。现有一快递公司，库房在图1中的O点，一送货员需将货物送至城市内多处，请设计送货方案，使所用时间最少。该地形图的示意图见图1，各点连通信息见表3，假定送货员只能沿这些连通线路行走，而不能走其它任何路线。各件货物的相关信息见表1，50个位置点的坐标见表2。假定送货员最大载重50公斤，所带货物最大体积1立方米。送货员的平均速度为24公里/小时。假定每件货物交接花费3分钟，为简化起见，同一地点有多件货物也简单按照每件3分钟交接计算。现在送货员要将100件货物送到50个地点。请完成以下问题。1.若将1~30号货物送到指定地点并返回。设计最快完成路线与方式。给出结果。要求标出送货线路。2.假定该送货员从早上8点上班开始送货，要将1~30号货物的送达时间不能超过指定时间，请设计最快完成路线与方式。要求标出送货线路。3.若不需要考虑所有货物送达时间限制(包括前30件货物)，现在要将100件货物全部送到指定地点并返回。设计最快完成路线与方式。要求标出送货线路，给出送完所有快件的时间。由于受重量和体积限制，送货员可中途返回取货。可不考虑中午休息时间。以上各问尽可能给出模型与算法。 图1快递公司送货地点示意图O点为快递公司地点，O点坐标(11000,8250),单位：米表1各货物号信息表货物号送达地点重量(公斤)体积(立方米)不超过时间1132.500.03169：002180.500.03549：003311.180.02409：304261.560.035012：005212.150.030512：006141.720.010012：007171.380.010912：008231.400.042612：009320.700.048112：0010381.330.021910：1511451.100.02879：3012430.950.022810：1513392.560.059512：0014452.280.03019：3015422.850.019010：1516431.700.078210：1517320.250.041212：0018361.790.018412：0019272.450.044512：00 20242.930.04209：0021310.800.01089：3022272.250.001812：0023261.570.021012：0024342.800.01039：3025401.140.01559：3026450.680.03829：3027491.350.014410：1528320.520.002012：0029232.910.048712：0030161.200.042912：003111.260.02503221.150.05013331.630.04833441.230.00063551.410.03873660.540.00673770.700.01293880.760.03463992.140.008740101.070.012441111.370.051042122.390.042843130.990.004844141.660.049145150.450.020946162.040.009847171.950.032448182.120.055449193.870.026250202.010.032451211.380.041952220.390.000153231.660.050254241.240.053455252.410.001256261.260.005957270.420.022458281.720.058059291.340.037260300.060.040261310.600.027462322.190.0503 63331.890.049464341.810.032565351.000.005566361.240.017767372.510.036168382.040.011069391.070.044070400.490.032971410.510.009472421.380.045573431.310.012174441.260.000575450.980.041376461.350.024177472.120.023078480.540.054279491.010.056680501.120.028481250.790.001182462.120.049283322.770.003484232.290.005485200.210.049086251.290.008887191.120.024988410.900.003889462.380.043490371.420.002091321.010.030092332.510.013393361.170.002094381.820.030895170.330.034596110.300.017297154.430.053698120.240.005699101.380.017510071.980.0493 表250个位置点的坐标位置点X坐标(米)Y坐标(米)19185500214455603727057043735670526209956100801435710025228087160252591384526801011935305011785035451265854185137630520014134055325152125597516153657045171416573851888258075195855816520780835521127708560222200883523147659055247790933025443595252610860963527103851050028565976529258098653015659955319395101003214835103653312501090034728011065351530511375361239011415376410115103813915116103995101205040834512300 41493013650421326514145431418014215443030150604510915142354623301450047773514550488851488049115751516050801015325表3相互到达信息序号位置点1位置点211321832204245386347428515952106111718127113812149141591016101817107181112191213201225211215221318231319241311251418261416271417281421291522301525 311623321723331831341924352022362126372136382117392230402317412431422541432519442529452731462833472922483028493041503126513134523235533223543346553328563440573538583645593627603740613836623927634034644045654144664137674146684243694249704338714448724450734550 74454275464876474077484478495079494280504081O1882O2183O26