Browsing by Author "Le Roux, G. J."
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- ItemA multi-objective approach to the assignment of stock keeping units to unidirectional picking lines(Southern African Institute for Industrial Engineering, 2017) Le Roux, G. J.; Visagie, S. E.An order picking system in a distribution centre consisting of parallel unidirectional picking lines is considered. The objectives are to minimise the walking distance of the pickers, the largest volume of stock on a picking line over all picking lines, the number of small packages, and the total penalty incurred for late distributions. The problem is formulated as a multi-objective multiple knapsack problem that is not solvable in a realistic time. Population-based algorithms, including the artificial bee colony algorithm and the genetic algorithm, are also implemented. The results obtained from all algorithms indicate a substantial improvement on all objectives relative to historical assignments. The genetic algorithm delivers the best performance.