Research Article

Scheduling Just-in-Time Transport Vehicles to Feed Parts for Mixed Model Assembly Lines

Table 6

Solution method comparison.

ScaleJust-in-time deliveryPeriodic delivery CPLEX
CPLEXHeuristic algorithmGenetic algorithm
CyclesToursTow trainsSolution timeInventorySolution timeTow trainsInventorySolution timeTow trainsInventorySolution timeTow trainsSolution timeInventorySolution time

17110.4237490.21137490.18137491.1910.3237890.28
24323.950669.17250660.47250661.5520.5151940.43
314212.59607550.66260750.49260752.0620.6863020.87
365252.696613902.4266720.52266842.2720.9768621.02
416275.8572591812272590.54272592.4221.0875301.44
4872155.99——3600284670.57285003.3421.2690321.8
60112956.16——36002106250.692106963.8523.24107953.57
721321504.7——36002121460.712121344.5925.09125555.39
8416——3600——36002133320.822133425.825.15137248.68
9619——3600——36002154730.862156256.6326.73182378.85
10821——3600——36002170751.132171037.5128.022053718.07
12024——3600——36002186691.182187218.9729.512211222.93
13227——3600——36002205161.2722068910.36213.122691224.2
14430——3600——36002223081.3232124511.47218.112729325.58
15632——3600——36002237371.3532263813.4218.942907737.86
16835——3600——36002256411.4332431815.09219.633387842.07
18037——3600——36002280541.5632627916.98222.513723945.44
19240——3600——36002301101.6232817818.84234.413944951.07
500110——3600——36002747002.5537037445.59——3600——3600
1000222——3600——360021505953.174137712168——3600——3600