SIMULATION-BASED ONLINE SCHEDULING IN A MAKE-TO-ORDER JOB SHOP

D Krige, James Bekker, Cornelius Schutte

Abstract


Scheduling is a core activity in the manufacturing business. It assists with the efficient andeffective utilisation of capital-intensive resources and increased throughput, thusincreasing profitability. Simulation is appealing in manufacturing, as it can realisticallyimitate dynamic, stochastic processes while being descriptive in predicting the futureprocess. We combined simulation and scheduling and developed an online simulation-basedscheduler for manufacturing orders in a South African make-to-order job shop enterprise.There are frequent changes in this type of environment, including random arrivals of orderswith stochastic processing times. A simulation-based scheduler is applicable in this myopic,stochastic environment, and we demonstrate its use under these conditions.

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DOI: https://doi.org/10.7166/20-2-770

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Copyright (c) 2015 The South African Journal of Industrial Engineering


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