Assignment of stock keeping units to parallel unidirectional picking

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dc.contributor.authorMatthews, Jasonen_ZA
dc.contributor.authorVisagie, Stephan E.en_ZA
dc.date.accessioned2016-09-06T12:47:28Z
dc.date.available2016-09-06T12:47:28Z
dc.date.issued2015-05
dc.descriptionCITATION: Matthews, J. & Visagie, S. E. 2015. Assignment of stock keeping units to parallel unidirectional picking. South African Journal of Industrial Engineering, 26(1):235-251, doi:10.7166/26-1-907.
dc.descriptionThe original publication is available at http://sajie.journals.ac.za
dc.description.abstractAn order picking system consisting of a number of parallel unidirectional picking lines is investigated. Stock keeping units (SKUs) that are grouped by product type into distributions (DBNs) are assigned daily to available picking lines. A mathematical programming formulation and its relaxations is presented. A greedy insertion and a greedy phased insertion are further introduced to obtain feasible results within usable computation times for all test cases. The walking distance of the pickers was shown to decrease by about 22 per cent compared with the current assignment approach. However, product handling and operational risk increases.en_ZA
dc.description.abstract‘n Stelsel vir die samestelling van bestellings wat uit ‘n aantal parallelle, eenrigting uitsoeklyne bestaan, word ondersoek. Voorraadeenhede wat in distribusies gegroepeer word, word op ‘n daaglikse basis in opmaaklyne toegewys. ‘n Wiskundige programmeringsformulering en verslappings daarvan word aangebied. ‘n Gulsige invoegings- en ‘n gefaseerde gulsige invoegingsheuristiek word voorgestel om die probleem in ‘n prakties uitvoerbare tyd op te los vir alle toetsgevalle. Die stapafstand van die werkers wat bestellings opmaak kon met ongeveer 22 persent verbeter word in vergelyking met die huidige benadering, maar daar was ‘n toename in produkhantering en operasionele risiko.af_ZA
dc.description.versionPublisher's versionen_ZA
dc.format.extent17 pagesen_ZA
dc.identifier.citationMatthews, J. & Visagie, S. E. 2015. Assignment of stock keeping units to parallel unidirectional picking. South African Journal of Industrial Engineering, 26(1):235-251, doi:10.7166/26-1-907en_ZA
dc.identifier.issn2224-7890 (online)
dc.identifier.issn1012-277X (print)
dc.identifier.otherdoi:10.7166/26-1-907
dc.identifier.urihttp://hdl.handle.net/10019.1/99583
dc.language.isoen_ZAen_ZA
dc.publisherSAIIEen_ZA
dc.rights.holderAuthors retain copyright
dc.subjectStock Keeping Units assignmenten_ZA
dc.subjectOrder pickingen_ZA
dc.subjectGeneralised assignment problemen_ZA
dc.subjectCombinatorical optimisationen_ZA
dc.subjectAssignment problems (programming)en_ZA
dc.titleAssignment of stock keeping units to parallel unidirectional pickingen_ZA
dc.typeArticleen_ZA
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