A heuristic method for job-shop scheduling with an infinite wait buffer: From one-machine to multi-machine problems
Through empirical comparison of classical job shop problems (JSP) with multi-machine consideration, we find that the objective to minimize the sum of weighted tardiness has a better wait property compared with the objective to minimize the makespan. Further, we test the proposed Iterative Minimizati...
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Main Authors: | , , , , |
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Format: | text |
Language: | English |
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Institutional Knowledge at Singapore Management University
2008
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Online Access: | https://ink.library.smu.edu.sg/sis_research/554 https://ink.library.smu.edu.sg/context/sis_research/article/1553/viewcontent/HeuristicMethodJobShopScheduling_2008_CIS.pdf |
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Institution: | Singapore Management University |
Language: | English |
Summary: | Through empirical comparison of classical job shop problems (JSP) with multi-machine consideration, we find that the objective to minimize the sum of weighted tardiness has a better wait property compared with the objective to minimize the makespan. Further, we test the proposed Iterative Minimization Micro-model (IMM) heuristic method with the mixed integer programming (MIP) solution by CPLEX. For multi-machine problems, the IMM heuristic method is faster and achieves a better solution. Finally, for a large problem instance with 409 jobs and 30 types of machines, IMM-heuristic method is compared with ProModel and we find that the heuristic method is slightly better. |
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