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    • 2. 发明专利
    • JOB SHOP SCHEDULING EXPERT SYSTEM
    • JPH05174030A
    • 1993-07-13
    • JP33832791
    • 1991-12-20
    • SHIMIZU CONSTRUCTION CO LTD
    • IKEDA YOSHINORIKONISHI YASUYUKIKATOU AKIOTANIOKA YUICHIOMI NOBUROARATAKE TOMOYUKI
    • B23Q41/08B65G61/00G05B19/418G06F9/44G06Q50/00G06Q50/04
    • PURPOSE:To satisfy the time limit of delivery instructed for production and also to improve the working ratio of each machine so as to simplify the allocation of a job shop line. CONSTITUTION:A parts production instruction is decomposed into the jobs and these jobs are allocated to each job based on a calendar in a job shop scheduling expert system. This system contains the master data 2-5 which include the proper information on the parts, the processes, the machines, the jigs, etc., the working type calendar data 6 which includes the information on the working time type of each machine, the limitation data 7 which includes the limitation information on allocation, and a scheduling means 1 which decomposes a production instruction into jobs based on each of the preceding data and then allocates the jobs to the machines respectively with application of a rule having the priority on the time limit of delivery and a rule having the priority on the working ratio. The means 1 divides the allocation of jobs into the general machines, the M/C and the outside order processes to apply the rule having the priority on the time limit of delivery to the general machines and to apply the rule having the priority on the working ratio to the M/C respectively. Otherwise an excessive time-limit-of-delivery margin delay rule is applied together with a time-limit- of-delivery margin limit-priority rule, a daily machined product-priority rule, a multiprocess parts-priority rule, and a continuous machining-priority rule.