Journal
EXPERT SYSTEMS WITH APPLICATIONS
Volume 35, Issue 1-2, Pages 485-496Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eswa.2007.07.026
Keywords
semiconductor final testing; machine configuratiou; timetabling; genetic algorithm; intelligent manufacturing; scheduling
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The overall flow of the final test of integrated circuits call be represented by the job shop model with limited simultaneous multiple resources ill which various product mixes, jobs recirculation, uncertain arrival of jobs, and unstable processing times complicate the problem. Rather than relying oil domain experts, this study aims to develop a hybrid approach including a mathematical programming model to optimize the testing job scheduling and all algorithm to specify the machine configuration of each job and allocate specific resources. Furthermore, a genetic algorithm is also developed to solve the problem in a short time for implementation. The results of detailed scheduling call be graphically represented as timetables of testing resources in Gantt charts. The empirical results demonstrated viability of the proposed approach. (c) 2007 Elsevier Ltd. All rights reserved.
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