Data processing: generic control systems or specific application – Specific application – apparatus or process – Product assembly or manufacturing
Patent
1997-08-29
2000-02-01
Grant, William
Data processing: generic control systems or specific application
Specific application, apparatus or process
Product assembly or manufacturing
700109, 700110, 700105, G06F 1900, G06G 766
Patent
active
060213590
ABSTRACT:
In a check schedule decision method, after simulating the production line to produce a time-varying number of in-process workpieces in a designated process unit, a check-available time period for the designated process unit is detected based on a comparison of the time-varying number of in-process workpieces to a predetermined level. Further, the production line is simulated under a constraint that the designated process unit is stopped operating during the check-available time period to produce a simulated output of the production line being simulated. When the simulated output is not smaller than a predetermined target figure, a check schedule of the designated process unit is decided within the check-available time period.
REFERENCES:
patent: 5008842 (1991-04-01), Nagai et al.
patent: 5255181 (1993-10-01), Chapman et al.
patent: 5539652 (1996-07-01), Tegethoff
patent: 5691906 (1997-11-01), Togashi et al.
Muraoka Yukihiro
Sakakibara Takako
Togashi Yoichi
Grant William
NEC Corporation
Robinson Victoria
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