Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Reexamination Certificate
2005-03-08
2005-03-08
Bahta, Kidest (Department: 2125)
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
C700S121000, C700S019000, C702S082000, C707S793000
Reexamination Certificate
active
06865433
ABSTRACT:
Exemplary embodiments include a method, system, and storage medium for optimizing scheduling activities in a manufacturing environment. The method includes receiving a planned factory cycle time value and schedule information for lots associated with a queue. The planned factory cycle time value includes an anticipated pace for lot workflow. Upon receiving a dispatch request, a critical ratio for each lot is calculated and compared with the planned factory cycle time value. An ‘at risk’ value is assigned to a lot when the planned factory cycle time value is greater than the lot's critical ratio. A higher priority is assigned to lots determined to be at risk than the priority assigned to those lots not at risk. The at risk lots are sorted by a priority value set during a planning period and also by a critical ratio. The lots not at risk are sorted by critical ratio.
REFERENCES:
patent: 5818716 (1998-10-01), Chin et al.
patent: 6353769 (2002-03-01), Lin
patent: 6684121 (2004-01-01), Lu et al.
patent: 20030130756 (2003-07-01), Baweja et al.
Bahta Kidest
Cantor & Colburn LLP
International Business Machines - Corporation
Jaklitsch Lisa U.
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