Integer programming approach to reactive scheduling in make-to-order manufacturing |
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Authors: | Tadeusz Sawik |
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Institution: | aAGH University of Science & Technology, Department of Operations Research and Information Technology, Faculty of Management, Al.Mickiewicza 30, 30-059 Kraków, Poland |
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Abstract: | New algorithms based on mixed integer programming formulations are proposed for reactive scheduling in a dynamic, make-to-order manufacturing environment. The problem objective is to update a long-term production schedule subject to service level and inventory constraints, whenever the customer orders are modified or new orders arrive. Different rescheduling policies are proposed, from a total reschedule of all remaining and unmodified customer orders to a non-reschedule of all such orders. In addition, a medium restrictive policy is considered for rescheduling only a subset of remaining customer orders awaiting material supplies. Numerical examples modeled after a real-world scheduling/rescheduling of customer orders in the electronics industry are presented and some results of computational experiments are reported. |
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Keywords: | Production scheduling Dynamic rescheduling Make-to-order environment Integer programming |
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