Apparatus and a method for controlling the release of jobs from

Details Apparatus and a method for controlling the release of jobs from Apparatus and a method for controlling the release of jobs from

1990-06-07

1992-12-08

Smith, Jerry

Boots, shoes, and leggings

364403, G06F 1500

Patent

active

051703556

ABSTRACT:
A method is disclosed for controlling the release of jobs from a pool of pending jobs into a factory, which includes a plurality of machines processing jobs-in-progress, which comprises the following steps. First, a continuity index (CI) is calculated for one of the jobs in the job pool, which is related to the total amount of processing time required by that job, and the anticipated time to finish that job. Second, a mean continuity index (MCI) is calculated related to the CI of all of the jobs processed by the factory in a predetermined period of time. Third, a lower range (r.sub.1) and an upper range (r.sub.2) are calculated which are related to the utilization factor of the machines and the fraction of jobs which are on time. Finally, a job is released from job pool into said factory if:

REFERENCES:
patent: 4459663 (1984-07-01), Dye
patent: 4580207 (1986-04-01), Arai et al.
patent: 4852001 (1989-07-01), Tsushima et al.
patent: 4866628 (1989-09-01), Natarajan
patent: 4887218 (1989-12-01), Natarajan
patent: 4896269 (1990-01-01), Tong
patent: 4956784 (1990-09-01), Hadavi et al.

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