An On-Line Scheduler for ASIC Manufacturing Line Management

概要

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An on-line scheduler for ASIC manufacturing line management has been developed. The parameters in the schedule models and the dynamic priority curve in the schedule algorithm were adjusted to obtain schedules well-suited to practical ASIC line management and control. The scheduler is connected to the user interface control module of our ASIC CIM system. In order to facilitate on-line scheduling, we clarify the performance requirements of the computer used for the scheduler with respect to the line scale. Using a current EWS, the scheduler can easily make a one-day schedule for a small-scale line with an annual throughput of less than 1,000 lots within 10 minutes. To cope with larger-scale lines, the multiple scheduling method allows schedules to be produced quickly and efficiently. Therefore, the scheduler can respond flexibly to changes in production plan and line resources and the control delivery date of each lot.
社団法人電子情報通信学会の論文
1995-03-25