Production control system selecting optimum dispatching rule

Details Production control system selecting optimum dispatching rule Production control system selecting optimum dispatching rule

1994-08-05

1996-02-20

Gordon, Paul P.

Boots, shoes, and leggings

364554, 364578, G06F 1900, G06F 1760

Patent

active

054935016

ABSTRACT:
A production control system for electron devices manufactured through many stages including plural apparatuses comprises dispatching rule storing means, a statistical analyzer and a simulator. The dispatching rule storing means stores plural dispatching rules including a first-in first-out rule, three of lot selective rules and dead line rule. The statistical analyzer accumulates status data representing the status off each of apparatuses and lots to be processed for a fixed period of time, and generates a statistical data by statistically processing the status data as accumulated. The simulator simulates the production line to evaluate an efficiency thereof based on the statistical data and each one of the plural dispatching rules. An optimum dispatching rule is selected which provides the optimum efficiency for the production line among the plural dispatching rules.

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